SENTRON Switching and Protection Devices Switch Disconnectors

SENTRON Switching and Protection Devices Switch Disconnectors /2 Introduction 3K, 3KE, 3LD Switch Disconnectors 3K, 3KE Switch Disconnectors up to 1000 /4 General data /8 Floor mounting 3LD Main and EMERGENCY-STOP Switches up to 125 /10 General data /13 Front mounting /16 Floor mounting / Distribution board mounting /18 Molded-plastic enclosures /19 ccessories 3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 /32 General data /38 For power distribution /42 For extended technical requirements 3NJ4, 3NJ5 In-Line Fuse Switch Disconnectors up to 1250 /45 General data /47 1-pole switchable /48 3-pole switchable /49 ccessories 3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KL Switch Disconnectors with Fuses up to 800 /21 General data /24 Surface mounting and installation 3KM Switch Disconnectors with Fuses and Isolating Plug Connector up to 400 /26 General data /29 For snapping onto busbars Siemens LV 1 T 2008

SENTRON Switching and Protection Devices Switch Disconnectors Introduction Overview Type 3LD20 3LD21 3LD22 3LD25 3LD27 3LD28 3LD main and EMERGENCY-STOP switches from 16 to 125 Rated uninterrupted current I u t 35 C ambient temperature 16 25 32 63 100 125 Rated operational voltage U e V 690 690 690 690 690 690 C-3 motor load switches Operational switching of individual motors t 220... 240 V kw 3.0 4.0 5.5 11.0 18.5 22.0 t 380... 440 V kw 5.5 7.5 9.5 18.5 30.0 37.0 t 660/690 V kw 5.5 7.5 9.5 15.0 22.0 30.0 C-23 main control switches, maintenance switches Frequent, but not operational switching of single motors t 220... 240 V kw 4.0 5.0 6.0 11.0 18.5 22.0 t 380... 440 V kw 7.5 9.5 11.5 22.0 37.0 45.0 t 660/690 V kw 7.5 9.5 11.5 18.5 30.0 37.0 Switch versions Front mounting Central -- -- Four-hole Floor mounting Central -- -- Four-hole Distribution board mounting Molded-plastic enclosures Metric screwed glands Switch accessories 4th pole (N conductor) (leading switch-on, delayed switch-off) N terminals PE/ground terminals vailable -- Not available /2 Siemens LV 1 T 2008

SENTRON Switching and Protection Devices Switch Disconnectors Introduction Type 3NP 3K 3NJ4 SENTRON Rated uninterrupted current I u t 35 C ambient temperature 160... 630 63... 1000 160... 1250 Rated operational voltage U e V 690 690 690 C-21 t 400 V t 500 V t 690 V C-22 t 400 V t 500 V t 690 V C-23 t 400 V -- t 500 V -- -- t 690 V -- -- Switch versions Front mounting -- -- Floor mounting -- Busbars 40 mm -- -- 60 mm -- 185 mm -- -- Molded-plastic enclosure -- Switch accessories uxiliary contacts 1 NO + 1 NC -- -- 1 CO Fuse monitoring With circuit breakers -- With electronics -- Siemens LV 1 T 2008 /3

3K, 3KE, 3LD Switch Disconnectors 3K, 3KE Switch Disconnectors up to 1000 General data Design For the 3K switch disconnectors, complete kits for standard and EMERGENCY-STOP application are available for installation in the side and rear panels of control cabinets. changeover operating mechanism is available for the use of 2 switch disconnectors in the 3KE series as load changeover switches. n operating linkage permits simultaneous switching of two 3KE switch disconnectors with identical or different rated operational currents. Identical accessories for 3K switch disconnectors and for 3KL and 3KM switch disconnectors with fuses simplify stock keeping. Technical specifications Permissible mounting position 90 90 90 NSE00181 10 180 180 180 NSE00182 3KE 3K Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3K50 3K51 3K52 1) 3K53 1) 3K55 1) 3K57 1) 3K58 1) Rated uninterrupted current I u 63 80 125 160 250 400 630 3) 2) Continuous free-air thermal current I th 63 80 125 160 250 400 630 3) Rated insulation voltage U i V 690 690 1000 1000 1000 1000 1000 Rated impulse voltage U imp kv 6 6 8 8 8 8 8 Rated operational voltage U e C 50 Hz/60 Hz V 690 DC V 440 (3 conducting paths series-connected) V 220 (2 conducting paths series-connected) V 110 (1 conducting path) Rated short-circuit making capacity I cm k 220 220 220 220 6 6 105 with upstream fuses 4) t50hz/60hz 690V C Rated short-circuit current with upstream fuses 4) (peak k 100 100 100 100 80 80 50 t50hz/60hz 690V C Max. rated current I n of the fuses 63 80 160 160 400 400 630 Permissible let-through current of the fuses k 8 10 30 5) 30 5) 40 5) Maximum permissible let-through I 2 t value k 2 s 55 55 223 223 1000 1000 2600 Permissible let-through current k 7 8 8 15 25 25 32 of an upstream circuit breaker t 50Hz/60Hz 690V C Rated short-circuit making capacity without fuses (peak k 7 7 7 9 20 25 35 t50hz/60hz 690V C (peak Switching capacity (infeed from the top or bottom) t 400 V C Breaking current I c (p.f. = 0.35) 500 650 1000 1280 2000 3200 5040 Rated operational current I e at C-21, C-22, C-23 63 80 125 160 250 400 630 6) Motor switching capacity C-23 kw 30 40 65 80 132 200 350 t 500 V C Breaking current I c (p.f. = 0.35) 500 640 1000 1280 2000 3200 3200 Rated operational current I e at C-21, C-22 63 80 125 160 250 400 630 C-23 63 80 125 160 250 400 400 Motor switching capacity C-23 kw 40 50 90 110 185 280 280 t 690 V C Breaking current I c (p.f. = 0.35) 500 500 1000 1280 2000 3200 3200 Rated operational current I e at C-21, C-22 63 80 125 160 250 400 630 C-23 63 63 125 160 250 400 400 Motor switching capacity C-23 kw 50 50 110 150 220 375 375 t 440 V DC (3 conducting paths series-connected) 7) Breaking current I c (L/R = 15 ms) 250 260 500 640 1000 8) 1600 1600 Rated operational current I e at DC-23 63 63 125 160 250 9) 400 400 Rated short-time current I cw (1 s current) k 2.5 2.5 3.2 3.2 8 11 15 /4 Siemens LV 1 T 2008

3K, 3KE, 3LD Switch Disconnectors 3K, 3KE Switch Disconnectors up to 1000 General data Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3K50 3K51 3K52 1) 3K53 1) 3K55 1) 3K57 1) 3K58 1) Permissible load Depending on the ambient temperature for open-type installation in control panels (e.g. 8N1) in control cubicles or control racks at 35 C 63 80 125 160 250 400 630 40 C 63 80 125 160 250 400 620 45 C 63 80 125 160 250 400 600 50 C 63 80 125 160 250 400 580 55 C 63 80 125 160 250 400 560 60 C 63 80 125 160 250 400 550 Permissible ambient temperature C -25... +55 for operation 3) C -50... +80 when stored Mechanical endurance Operating 15000 15000 15000 15000 12000 12000 12000 cycles Required operating torque Nm 3 3 7.5 7.5 16 16 16 Degree of protection IP00/IP20 (from the operator side, with busbar and terminal covers) Power loss of the switch disconnector at I th W 7 12 22 22 33 72 0 Main conductor connections Busbar systems, max. dimensions (w x t) mm x mm 25 x 9 25 x 9 45 x 10 45 x 10 40 x 12 40 x 12 40 x 15 Cable lug, max. conductor cross-section (stranded) mm 2 35 35 70 120 150 2 x 150 or 2 x 240 1x240 Tightening torque Nm 6... 7.5 6... 7.5 7... 10 18... 22 35... 45 35... 45 35... 45 Terminal screws M6 M6 M6 M8 M10 M10 M10 PE/ground terminals Flat bars mm x mm -- -- -- -- 20 x 2.5 20 x 2.5 20 x 2.5 Cable lug, max. conductor cross-section (stranded) mm 2 -- -- -- -- 70 120 120 uxiliary switch 1 NO +1 NC (accessories) Max. number to be plugged 1 1 2 2 2 2 2 Rated operational current I e at C 50 Hz/60 Hz I e /C-12 10 I e /C-15 at U e = 220 V/230 V 6 I e /C-15 at U e = 380 V/400 V 4 I e /C-15 at U e = 500 V 2.5 I e /C-15 at U e = 690 V 21.2 Rated operational current I e at DC I e /DC-13 at U e = 24 V 10 I e /DC-13 at U e = 48 V 4 I e /DC-13 at U e = 110 V 1.2 I e /DC-13 at U e = 220 V 0.4 I e /DC-13 at U e = 440 V 0.2 Connection Solid mm 2 2 x (1... 2.5) Finely stranded with end sleeve mm 2 2 x (0.5... 1.5) Weight Complete version kg 1.450 1.450 2.400 2.400 5.400 5.500 6.100 Basic version kg 0.950 0.950 1.900 1.900 4.500 4.600 5.200 1) Technical specifications for approval on request. 2) Configuring note: max. permissible operating temperature at connections 100 C. 3) With 3K58 for operation -25 C... +35 C, 570 at 55 C. 4) Only with 3N38, 3N32 or 3ND18, 3ND12 fuses (otherwise only 105 k/50 k). 5) 3ND1 switchgear protection fuse. 6) C-23B. 7) Or 220 V DC (L1 and L3 series-connected) or 110 V DC (one conducting path) at DC-23. 8) t 440 V L/R = 4 ms, at 220 V L/R = 15 ms. 9) t 440 V DC-22, at 220 V DC-23. Siemens LV 1 T 2008 /5

3K, 3KE, 3LD Switch Disconnectors 3K, 3KE Switch Disconnectors up to 1000 General data Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3KE42 3KE43 3KE44 3KE45 Rated uninterrupted current I u 250 400 630 1000 Rated insulation voltage U i V 1000 C, 1200 DC Rated impulse voltage U imp kv 8 8 8 8 Rated operational voltage U e C 50 Hz/60 Hz V 690 DC V 440 (3 conducting paths series-connected) V 220 (2 conducting paths series-connected) Rated short-circuit making capacity I cm t50hz/60hz 690V C Rated short-circuit making capacity with upstream fuses t50hz/60hz 690V C Rated conditional short-circuit current with upstream fuses t50hz/60hz 690V C k (peak k (peak 35 35 60 60 105 105 105 84 50 50 50 40 Maximum permissible let-through I 2 tvalue k 2 s 2150 2150 5400 19000 Permissible let-through current of an upstream circuit breaker t50hz/60hz 690V C k (peak 35 35 60 60 Max. rated current I n of the fuses 400 400 630 1000 Permissible let-through current of the fuses k (peak 38 38 60 75 Switching capacity (infeed from the top or bottom) t 400 V C Breaking current I c (p.f. = 0.35) 1000 1000 2520 2520 Rated operational current I e at C-21 250 400 630 1000 C-22 250 330 630 800 C-23 125 125 315 315 t 500 V C Breaking current I c (p.f. = 0.35) 1000 1000 2520 2520 Rated operational current I e at C-21 250 400 630 1000 C-22 250 330 630 800 C-23 125 125 315 315 t 690 V C Breaking current I c (p.f. = 0.35) 1000 1000 2520 2520 Rated operational current I e at C-21 250 400 630 1000 C-22 250 330 630 800 C-23 125 125 315 315 t 440 V DC (3 conducting paths series-connected) Breaking current I c (L/R = 5 ms) 1000 1000 2520 2520 Rated operational current I e at DC-21 250 400 630 1000 DC-22 250 250 630 630 Rated short-time current I cw (1 s current) 12.5 12.5 21 21 Permissible load Depending on the ambient temperature for open-type installation in control panels (e.g. 8N1) in control cubicles or control racks at 35 C 250 400 630 1000 40 C 250 400 630 960 45 C 250 400 630 930 50 C 250 400 630 890 60 C 240 380 600 810 For enclosed installation, e.g. in 8HP systems See Catalog "8HP System". Order No. E20001-8ZX1012-0HP54-5B1 Permissible ambient temperature C -25... +55 for operation C -50... +80 when stored Mechanical endurance Operating 10000 cycles Degree of protection IP00 Required operating torque Nm 15 15 24 24 Required operating torque for changeover operating mechanism With interruption Nm 20 20 30 30 /6 Siemens LV 1 T 2008

3K, 3KE, 3LD Switch Disconnectors 3K, 3KE Switch Disconnectors up to 1000 General data Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3KE42 3KE43 3KE44 3KE45 Without interruption Nm 35 35 55 55 Power loss of the switch disconnector at I th W 15 33 78 180 Main conductor connections Busbar systems, max. dimensions (w x t) mm x mm 25 x 10 25 x 10 2 x 40 x 10 2 x 40 x 10 Cable lug, max. conductor cross-section (stranded) mm 2 2 x 150 2 x 150, 1 x 240 2 x 240 2 x 240 uxiliary switch 1 NO + 1 NC (accessories) Rated insulation voltage U i V 500 Rated operational current I e (same potential at contacts) at C 50 Hz/60 Hz I e /C-1 at U e = 500 V 10 I e /C-11 at U e = 230 V 6 Rated operational current I e (same potential at contacts) at DC I e /DC-11 at U e = 24 V 10 I e /DC-11 at U e = 220 V 0.4 Connection Solid mm 2 2 x 2.5 Finely stranded with end sleeve mm 2 2 x 1.5 Short-circuit protection 6 TDz, 10 Dz or 10 G-type m.c.b. (tested as per DIN VDE 0660 with 1000 ) Schematics Internal circuit diagram for 3K Internal circuit diagram for 3KE (for 3K50 and 3K51, only one auxiliary switch possible; 4th pole is possible as main contact) Internal circuit diagram for 3K and 3KE (auxiliary switch not included in scope of supply) Use for DC voltage at DC-23 440 V 5 - # & 2! # Circuit diagram for changeover switch with interruption " $ Siemens LV 1 T 2008 /7

3K, 3KE, 3LD Switch Disconnectors 3K, 3KE Switch Disconnectors up to 1000 Floor mounting Dimensional drawings 3K50, 63, 3K51, 80, 3-pole 3K50 and 3K51: Dimensional drawing for 4-pole version corresponds to dimension drawing for 3K52 without shaft, without operating mechanism D 3K50, 63, 3K51, 80, 3-pole 3K50 and 3K51: Dimensional drawing for 4-pole version corresponds to dimension drawing for 3K52 with shaft and 8UC7 operating mechanism 3K50, 3K51 Shaft (profile) a Shaft length engaged length: min. 70 mm max. 380 300; unchanged shaft from 8UC71 max. 150 mm min. 5 5-80 ; shortened shaft from 8UC71 5... 380 a -80 3K52, 125 3K53, 160 3K50, 3K51, 4-pole without shaft, without operating mechanism 3K52, 125 3K53, 160 3K50, 3K51, 4-pole with shaft and 8UC7 operating mechanism 4th pole 3KX3 523-0 for 3K53, 3K52 " $ $ # 3K52 3K53 5 - % '? Type c h n 15 20 91 105 106 125 4th pole 15 91 106 3K52, 3K53 Shaft (profile) a Shaft length engaged length: min. 90 mm max. 350 300; unchanged shaft from 8UC72 max. 143 mm min. 165 165-50 ; shortened shaft from 8UC72 165... 350 a -50 Type c d e g h i l n 3K52 3K53 15 20 M6 20 M8 25 37 39 42 39.5 91 105 3 3.5 6.6 9 106 125 4th pole 15 M6 20 -- 48 91 3 6.6 106?! # 3K55, 250, 3K57, 400 without shaft, without operating mechanism 3K55, 250, 3K57, 400, 3K58, 630 with shaft and 8UC7 operating mechanism 3K55, 3K57, 3K58 a Shaft length Shaft (profile) engaged length: max. 335 300; unchanged shaft from 8UC73 min. 0 mm min. 230 230-35 ; shortened shaft from 8UC73 max. 205 mm 230... 335 a -35 3K58, 630 without shaft, without operating mechanism 3K58 4. pole 3KX3 553-0 for 3K55, 3K57, 3K58 Type a b c 3K55, 3K57 3K58 40 38 4 6 M10 30 M10 35 4th pole 80 4 M10 30 /8 Siemens LV 1 T 2008

f f t t 3K, 3KE, 3LD Switch Disconnectors 3K, 3KE Switch Disconnectors up to 1000 Floor mounting 3KE4 Front operating mechanism with handle 14,5 w 128 24 22,5 32 x 90 e 46,5 m 3KX2 210-0H Coupling socket b d n g 7 152 k NSE0_00318a 8 c h 34,5 187 p 133 z l 254 y 5 12 3KE4 Rear rotary operating mechanism without handle Keep this Keep this space free m 1 space free (arc exit) b (arc exit) d 14,5 63,5 y x 3KX2 210-0H 12 4,5 12 19 v c 40 92 32 h1 z l o p 1 w 1 5 20 11 7 29 7 8 195 n 1 e g 90 128 152 k NSE0_00319b Caution! Must not be used as a drive. 68 97 s u 209 100 Type b c d e f g h h 1 k l m m 1 N n 1 o p p 1 s t u v W w 1 x y z 3KE42 155 0 140 25 200 40 60 92 5 M10 30 194 194 129 121 4 150 182 15 -- 105 140 0 2 M10 18 50 50 3KE43 155 0 140 25 200 47 60 92 5 M10 30 194 194 129 121 4 150 182 15 -- 105 140 0 2 M10 18 50 50 3KE44 0 192 155 40 278 55 65 97 238 M12 35 209 208 144 136 5 161 193 23 3.5 121 200 2 2 M10 18 -- -- 3KE45 0 192 155 40 290 65 68 100 250 M12 50 209 208 144 136 8 161 193 23 3.5 121 200 2 2 M12 25 -- -- 3KE4. 30-0E with shaft and 8UC7 operating mechanism 100 NSE00321 q 1,5...4 r 88 88 63 5,5 to 65 Type r Shaft length q 3KE42, 3KE43 max. 433 300; unchanged shaft from 8UC73 140 min. 200 67; shortened shaft from 8UC73 140 200... 433 r 133 140 3KE44, 3KE45 max. 433 300; unchanged shaft from 8UC74 140 min. 210 77; shortened shaft from 8UC74 140 210... 433 r 133 140 3KX2 210 changeover operating mechanism 3KX2 250-1 operating linkage Version For type a b c d e f q With interruption Without interruption 3KE42, 3KE43 3KE44 3KE45 3KE42, 3KE43 3KE44 3KE45 352 367 367 352 367 367 140 155 155 140 155 155 427 442 442 4 432 432 92.5 92.5 92.5 74.5 74.5 74.5 115 115 115 97 97 97 45 45 55 35 35 35 200 200 200 200 200 200 Siemens LV 1 T 2008 /9

3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 General data Overview 3 7 8 2 6 1 3 5 NSG0_00112a 4 1 4th contact (N conductor) 2 N or PE/ground terminal, continuous 3 uxiliary switch 1 NO + 1 NC 4 Rotary operating mechanism, red/yellow 5 Rotary operating mechanism, black 6 Front plate, English/German 7 Terminal cover, three-pole 8 Terminal cover, one-pole /10 Siemens LV 1 T 2008

3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 General data Design Construction of the contacts Each switch has three adjacent contact elements 1). fourth leading contact element for switching the neutral conductor, a continuous PE/ground terminal, an auxiliary switch (1 NO or 1 NC) can be fitted to each side of the switch. The auxiliary switches operate as leading contacts on opening. On opening, the make contact opens before the main contacts, so that a contactor carries the switching capacity in the circuit and the maintenance or safety switch switches at zero current. On closing, the auxiliary switch switches later than or at the same time as the main contacts. Switch construction Construction of rotary operating mechanisms The rotary operating mechanisms of the switches for front or floor mounting are mounted on control cabinet doors, front panels or side panels with four-hole or center-hole mounting with a standard diameter of 22.5 mm and operated from the outside. In their Off position, they can be locked with up to three padlocks with a hasp thickness of 8 mm. Controls with defeatable doorcoupling rotary operating mechanism are available in addition. Switch position indicator: The switch position is clearly marked with direction arrows and an "O" for OFF and a "I" for ON at the front. Switches for front mounting: The switches for front mounting are connected directly to the rotary operating mechanism through the fixing screws or - in the case of center-hole mounting - a special-purpose coupling. Switches for floor mounting: The switches for floor mounting are snapped onto 35 mm standard mounting rails according to EN 60715 or screw-mounted on mounting plates. 3LD2 203-0TK5 switch for front mounting with rotary operating mechanism 3LD2 122-7UK01 3-pole changeover switch for front mounting with selector switch 3LD2 222-0TK1 switch for front mounting with selector switch 3LD2 103-3VK53 6-pole switch for front mounting with rotary operating mechanism The actuators are connected to the lower section of the switch through a door coupling, which can be released in its zero position, and a 300 mm long switch shaft. When the control cabinet door is open, the switch can be protected against inadvertent operation by removing the switch shaft from the lower section of the switch. The mounting depth can be adapted to individual requirements by adjusting the switch shaft length. 1) 16 versions have four contact elements; 3-pole changeover switches and 6-pole main control switches have six contact elements. Switches for distribution board mounting: The switches for distribution board mounting are suited for operation in switchboards and for switching inside control cabinets or distributors. They have cap and mounting dimensions to DIN 43880 and can be fitted under the same cover together with miniature circuit breakers. The selector switches can be locked in their OFF position with up to 2 padlocks with a hasp thickness of 6 mm. Switches in molded-plastic enclosure: For surface mounting of individual main control and EMERGENCY-STOP switches, molded plastic-enclosed switches to degree of protection IP65 are used. The actuators can be locked in their OFF position with three padlocks with a hasp thickness of 8 mm. The molded-plastic enclosures each contain an N and/or a PE/ground terminal. 3LD2 213-0TK5 switch for floor mounting with rotary operating mechanism and defeatable door coupling 3LD2 264-0TB5 switch in moldedplastic enclosure 3LD2 530-0TK11 switch for distribution board mounting with selector switch 3LD2 2-1TL13 switch for floor mounting with rotary operating mechanism and defeatable door coupling Siemens LV 1 T 2008 /11

3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 General data Technical specifications Standards DIN VDE 0660, IEC 60947 Switches Type 3LD2 0 3LD2 1 3LD2 2 3LD2 5 3LD2 7 3LD2 8 Number of contacts 3/4 3/4 3/4 3/4 3/4 3/4 Rated insulation voltage U i Rated operational voltage U e Rated frequency Rated impulse withstand voltage U imp Rated short-time withstand current (1 s current, rms. Short-circuit protection, max. back-up fuse (gl) V V C Hz kv 690 690 50... 60 6 340 20 690 690 50... 60 6 640 25 690 690 50... 60 6 640 40 690 690 50... 60 6 1260 63 690 690 50... 60 6 2000 100 Rated uninterrupted current I u 16 25 32 63 100 125 C-21 load-break switch Rated operational current I e 16 25 32 63 100 125 C-3 motor load switches In-service switching of individual motors C-23 main control switch Maintenance switch frequent, but not in-service switching of individual motors Rating at 220 V... 240 V at 380 V... 440 V at 660 V/690 V Rating at 220 V... 240 V at 380 V... 440 V at 660 V/690 V kw kw kw kw kw kw Power loss per conducting path at I e W 0.5 1.1 1.8 4.5 7.5 12 3.0 5.5 5.5 4.0 7.5 7.5 4.0 7.5 7.5 5.0 9.5 9.5 5.5 9.5 9.5 6.0 11.5 11.5 11.0 18.5 15.0 11.0 22.0 18.5 18.5 30.0 22.0 18.5 37.0 30.0 690 690 50... 60 6 2000 125 22.0 37.0 30.0 22.0 45.0 37.0 Touch protection to DIN VDE 0106 Part 100 Yes Yes Yes Yes Yes Yes Endurance mechanical Operating 100 000 100 000 100 000 100 000 100 000 100 000 cycles Switching frequency 1/h 50 50 50 50 50 50 Permissible ambient temperature C -25... +55-25... +55-25... +55-25... +55-25... +55-25... +55 Isolating features Up to 690 690 690 690 690 690... V Main control and EMERGENCY-STOP switch characteristics 1) Yes Yes Yes Yes Yes Yes Conductor cross-sections for main conductors Connection type Terminals Solid or stranded mm 2 1... 6 1.5... 16 1.5... 16 2.5... 35 4... 50 4... 50 Flexible with end sleeve (max.) mm 2 4 10 10 16 35 35 uxiliary switches Rated insulation voltage U i V 500 500 500 500 500 500 Rated operational voltage U e V C 500 500 500 500 500 500 Rated uninterrupted current I u 10 10 10 10 10 10 Rated operational current I e C-15 at 120 V 6 6 6 6 6 6 at 220 V... 240 V 3 3 3 3 3 3 at 380 V... 415 V 1.8 1.8 1.8 1.8 1.8 1.8 at 500 V 1.4 1.4 1.4 1.4 1.4 1.4 Short-circuit protection, auxiliary switch, max. back-up fuse (gl/gg) 10 10 10 10 10 10 Conductor cross-sections for auxiliary conductors Connection type Terminals Solid or stranded mm 2 2 2 2 2 2 2 (0.75... 2.5) (0.75... 2.5) (0.75... 2.5) (0.75... 2.5) (0.75... 2.5) (0.75... 2.5) 1 4 1 4 1 4 1 4 1 4 1 4 Finely stranded with end sleeve mm 2 2 (0.75... 1.5) 1 x 2.5 2 (0.75... 1.5) 1 x 2.5 2 (0.75... 1.5) 1 x 2.5 2 (0.75... 1.5) 1 x 2.5 2 (0.75... 1.5) 1 x 2.5 Torque for terminal NM 0.8 0.8 0.8 0.8 0.8 0.8 2 (0.75... 1.5) 1 x 2.5 Standards UL/CS Switches Type 3LD2 0 3LD2 1 3LD2 2 3LD2 5 3LD2 7 3LD2 8 Rated operational voltage U e V C 600 600 600 600 600 600 Rated uninterrupted current I u 10 20 30 60 100 125 Current rating 600 600 600 -- -- -- Pilot duty P 600 P 600 P 600 Continuous free air thermal current I th 16 25 32 63 100 125 Maximum rated power (C-3) 3 120 V HP 1 3 3 5 10 15 C motors 40 Hz... 60 Hz 240 V HP 3 7.5 10 15 30 40 (HP = PS) 480 V HP 7.5 10 20 40 60 75 600 V HP 10 15 30 50 75 100 1 120 V HP 0.5 2 2 3 -- -- 240 V HP 1.5 3 3 10 -- -- Conductor cross-sections Cu cable WG 18... 10 14... 8 14... 8 14... 6 12... 1 12... 1 Torque Nm 1.5... 2 2... 2.5 2... 2.5 2.5... 3 2.5... 3 2.5... 3 With appropriate operating mechanisms according to DIN VDE 0113 (see Catalog LV 1). /12 Siemens LV 1 T 2008

Dimensional drawings Switches for center-hole mounting with rotary operating mechanism 3LD2.54, 3LD2 555 3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 Front mounting N L K C Drilling diagram M B F G NSG0_00206 3,2 24,1 max 5,5 mm For 3LD2 0 Base element 4-pole 22,5 Type B C F G K L M 1) N 1) 3LD2 054 67 67 48 50 38 37 74 47 3LD2 154/3LD2 254 67 67 46 55 44 37 74 47 3LD2 555 90 90 60 64 50 46 81 47 1) For additional labeling plate see ccessories. Switches for four-hole mounting with rotary operating mechanism 3LD2.03, 3LD2.04 N M L K C Drilling diagram 1 B G F NSG0_00207 1 D max. 5,5 mm Sealing plate behind masking plate Please observe sealing position of the shaft seal For 3LD2 0 Base element 4-pole d Type B 1 C D d F G K L M 1) N 1) 3LD2 003 67 67 48 48 10 5.0 50 38 37 50 47 3LD2 103 67 67 48 46 10 5.0 55 44 37 50 47 3LD2 504 90 90 48 60 10 5.0 64 50 46 59 47 3LD2 704/3LD2 804 90 90 48 71 10 5.0 83 54 46 61 47 1) For additional labeling plate see ccessories. Switches for center-hole mounting with selector switch 3LD2.50 N M B F G L K C NSG0_00208 Drilling Pattern 3,2 24,1 max 5,5 mm For 3LD2 0 Base element 4-pole Type B C F G K L M 1) N 1) 3LD2 050 49 49 48 50 38 34 74 47 3LD2 150/3LD2 250 49 49 46 55 44 34 74 47 1) For additional labeling plate see ccessories. Siemens LV 1 T 2008 /13

3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 Front mounting Switches for four-hole mounting with selector switch 3LD2.22 N L K C Drilling diagram M G NSG0_00209 1 D B F 1 max 5,5 mm Sealing plate behind masking plate Please observe sealing position of the shaft seal For 3LD2 0 Base element 4-pole d Type B 1 C D d F G K L M 1) N 1) 3LD2 022 49 49 36 48 10 5.0 50 38 34 50 47 3LD2 122/3LD2 222 49 49 36 46 10 5.0 55 44 34 50 47 1) For additional labeling plate see ccessories. Switches for four-hole mounting with rotary operating mechanism 3LD2 103-.V, 3LD2 203-.V..., 3LD2 504-.V N L K C Drilling diagram M 1 G D B F max. 5,5 mm Sealing plate behind masking plate Please observe sealing position of the shaft seal NSG0_00215 1 d Type B 1 C D d F G K L M 1) N 1) 3LD2 103-.V... 67 67 48 92 10 5.0 55 44 37 50 47 3LD2 203-.V... 67 67 48 92 10 5.0 55 44 37 50 47 3LD2 504-.V... 90 90 68 121 10 5.0 64 50 46 59 47 1) For additional labeling plate see ccessories. Switches for four-hole mounting with selector switch 3LD2 122-.V N L K C Drilling diagram M 1 G D B F max 5,5 mm Sealing plate behind masking plate Please observe sealing position of the shaft seal NSG0_00216 1 d Type B 1 C D d F G K L M 1) N 1) 3LD2 122-.V... 49 49 36 92 10 5.0 55 44 32 50 47 1) For additional labeling plate see ccessories. /14 Siemens LV 1 T 2008

3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 Front mounting Changeover switches 3LD2 123-7U, 3LD2 223-7U, 3LD2 524-7U, 3LD2 724-7U N L K C Drilling diagram M 1 B F G max 5,5 mm Sealing plate behind masking plate Please observe sealing position of the shaft seal NSG0_002 1 D d Type B 1 C D d F G K L M 1) N 1) 3LD2 123-7U... 67 67 48 92 10 5.0 28 46 34 63.5 47 3LD2 223-7U... 67 67 48 92 10 5.0 28 46 34 63.5 47 3LD2 524-7U... 92 92 68 121 10 5.5 32 53 40 73 47 3LD2 724-7U... 92 92 68 141 10 5.5 42 68 40 75 47 1) For additional labeling plate see ccessories. Siemens LV 1 T 2008 /15

F 3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 Floor mounting Dimensional drawings Switches for floor mounting with detachable rotary operating mechanism (four-hole mounting) 3LD2.13, 3LD2 14. N M X = L + 52 mm L1 79 K C Driling Pattern Door 1 Base B1 B G F 5 L NSG0_00210 1 D d B2 e Type B 1 B1 B2 C D d e F G K L L1 M 1) N 1) X min 3LD2 013 67 67 48 22 60 48 10 5.0 4.5 50 38 37 330 58 47 138 3LD2 113/3LD2 213 67 67 48 22 60 46 10 5.0 4.5 55 44 37 330 58 47 138 3LD2 514 90 90 48 25 70 60 10 5.5 5.5 64 50 46 338 68 47 148 3LD2 714/3LD2 814 90 90 48 25 90 71 10 5.5 5.5 83 54 46 340 70 47 150 1) For additional labeling plate see ccessories. Switches for floor mounting with detachable rotary operating mechanism (center-hole mounting) 3LD2.44, 3LD2.45 N 5 B M G F X = L + 74 mm L1 101 K L C NSG0_00211 3,2 Drilling diagram Door 22,5 24,1 B2 Base B1 e Type B B1 B2 C e F G K L L1 M 1) N 1) X min 3LD2 044 67 67 22 60 48 4.5 50 38 37 330 58 47 160 3LD2 144/3LD2 244 67 67 22 60 46 4.5 55 44 37 330 58 47 160 3LD2 545 90 90 25 70 60 5.5 64 50 46 338 68 47 0 1) For additional labeling plate see ccessories. Switches for floor mounting with detachable rotary operating mechanism (four-hole mounting) 3LD2 113-.V N M B G X = L + 52 mm L1 79 K C NSG0_00218 1 Drilling diagram Door 1 D B2 Base B1 d 5 L e Type B 1 B1 B2 C D d e F G K L L1 M 1) N 1) X min 3LD2 113-.V... 67 67 48 22 60 92 10 5.0 4.5 55 44 37 330 58 47 138 1) For additional labeling plate see ccessories. /16 Siemens LV 1 T 2008

Dimensional drawings Switches for distribution board mounting with selector switch 3LD2.30 3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 Distribution board mounting 45 L K K1 C B F NSG0_00212 5 Type B C F K K1 L 3LD2 030 53 45 48 50 41 14 37 3LD2 130 53 45 46 55 41 14 37 3LD2 230 53 45 46 55 41 14 37 3LD2 530 64 45 60 64 43 16 44 3LD2 730 71 45 71 83 47 19 44 3LD2 830 71 45 71 83 47 19 44 1) For additional labeling plate see ccessories. Siemens LV 1 T 2008 /

3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 Molded-plastic enclosures Dimensional drawings Switches with molded-plastic enclosure with rotary operating mechanism Metric screwed glands 3LD2.64, 3LD2.65, 3LD2.66 K H M Drilling diagram 3LD2.64 3LD2.65 Drilling diagram 3LD2.66 1 C F K B B2 D B1 E N B1 B1 NSG0_00213 d G Type B 1 B1 B2 C d D E F G H K M N 3LD2.64-...5. 100 140 -- 152 164 46 4.5 4 x M25 24 -- 4 x M20 81 67 36 2 x M20. 2 x M40 3LD2.65-...5. 146 6 -- 188 199 66 4.5 4 x M32/40 37 -- 4 x M20 104 90 45 2 x M20, 2 x M40 3LD2.66-...5. 212 302 189 238 302 84 6.5 4 x M50/63 57 2 x M20 4 x M20 136 90 45 2 x M20, 2 x M50 3LD2 566-.V... 212 302 189 238 302 84 6.5 4 x M32/40 57 2 x M20 4 x M20 136 90 45 2 x M20, 2 x M50 Switches in molded-plastic enclosure with selector switch 3LD2.6.-7U K H M Drilling diagram 3LD2.65 Drilling diagram 3LD2.66 1 C F K B D B2 E B1 N B1 B1 NSG0_00220 d G Type B 1 B1 B2 C d D E F G H K M N 3LD2 165-7U... 146 6 -- 188 199 66 4.5 4 x M32/40 37 -- 4 x M20 104 67 32 2 x M20. 2 x M40 3LD2 265-7U... 146 6 -- 188 199 66 4.5 4 x M32/40 37 -- 4 x M20 104 67 32 2 x M20, 2 x M40 3LD2 566-7U... 212 302 189 238 302 84 6.5 4 x M32/40 57 2 x M20 4 x M20 136 90 45 2 x M20, 2 x M50 3LD2 766-7U... 212 302 189 238 302 84 6.5 4 x M50/63 57 2 x M20 4 x M20 136 90 45 2 x M20, 2 x M50 /18 Siemens LV 1 T 2008

3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 ccessories Dimensional drawings Front mounting 3LD9 2.0-0B 4th contact element (neutral conductor) for front mounting, leading switch-on, delayed switch-off Front and floor mounting 3LD9 2.4-1B, 3LD9 2.4-3B rotary operating mechanisms for four-hole mounting black, red/yellow G C N B B NSE0_00934 NSE0_00928a N C Type B C 3LD9 224-1B 67.0 67.0 37.0 3LD9 224-3B 67.0 67.0 37.0 3LD9 284-1B 90.0 90.0 46.0 3LD9 284-3B 90.0 90.0 46.0 Type B C G 3LD9 220-0B 54.5 40.5 15.5 31.5 3LD9 250-0B 64.5 47.0 20.0 37.0 3LD9 280-0B 83.5 44.0 23.0 20.0 3LD9 2.4-1D, 3LD9 2.4-3D rotary operating mechanisms for center-hole mounting black, red/yellow 3LD9 2.0-2B N or PE/ground terminal for front mounting, leading switch-on, delayed switch-off B C G NSE0_00935 B Type B C 3LD9 224-1D 67.0 67.0 37.0 3LD9 224-3D 67.0 67.0 37.0 3LD9 284-1D 90.0 90.0 46.0 3LD9 284-3D 90.0 90.0 46.0 N NSE0_00929a N C 3LD9 2.1-2 terminal cover as additional touch protection for snap fitting at top or bottom, 1-pole Type B C G 3LD9 200-2B 50.0 40.0 13.0 31.0 3LD9 220-2B 54.5 40.5 15.5 31.5 3LD9 250-2B 64.5 47.0 20.0 37.0 3LD9 280-2B 83.5 44.0 23.0 20.0 - C NSE0_00936 3LD9 286-1, 3LD9 286-4 labeling plate German/English, neutral MIN SWITCH HUPTSCHLTER NSE0_00933a 5 47 Type B C 3LD9 201-2 34.5 15.0 10.0 3LD9 221-2 34.5 20.0 15.0 3LD9 251-2 40.5 21.5 20.0 3LD9 281-2 45.0.5 23.0 B Siemens LV 1 T 2008 /19

3K, 3KE, 3LD Switch Disconnectors 3LD Main and EMERGENCY-STOP Switches up to 125 ccessories 3LD9 2.1-. terminal cover as additional touch protection for snap fitting at top or bottom, 1-pole - NSE0_00937 3LD9 200-5.. auxiliary switch NSJ0_00005 50 B C 11 32 Type B C 3LD9 201-1 34.5 15.0 46.0 3LD9 221-0 34.5 20.0 46.0 3LD9 251-0 40.5 21.5 60.0 Floor and distribution board mounting 3LD9 2.0-0C 4th contact element (neutral conductor) for front mounting, leading switch-on, delayed switch-off G N N C B NSE0_00938a Type B C G 3LD9 220-0C 54.5 40.5 15.5 31.5 3LD9 250-0C 64.5 47.0 20.0 37.0 3LD9 280-0C 83.5 44.0 23.0 20.0 3LD9 2.0-2C N or PE terminal continuous G N N C B NSE0_00939a Type B C G 3LD9 200-2C 50.0 40.0 13.0 31.0 3LD9 220-2C 54.5 40.5 15.5 31.5 3LD9 250-2C 64.5 47.0 20.0 37.0 3LD9 280-2C 83.5 44.0 23.0 20.0 /20 Siemens LV 1 T 2008

3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KL Switch Disconnectors with Fuses up to 800 General data Overview 7 2 NSE0_01557a 4 1 5 6 7 9 3 7 3KL or 3KM basic device Plug-in contact strip for 3KM Fuses, optionally BS-88 or LV HRC fuses Terminal cover, IP20 (vertical to operator side) Coupling driver with extension shaft Standard products from the Siemens 3SB1 range are used as auxiliary switches. Single-pole terminal cover from 63 to 630, IP20 (vertical to operator side) ll components from the switch to the actuator are provided with non-interchangeability features. 8 Optional 8UC9 knob for fixed mounting in standard version (black) or EMERGENCY-STOP version (red), or 9 8UC7 door-coupling rotary operating mechanism in standard version (ti-grey) or EMERGENCY-STOP version (red/yellow) 3 Design ll switch disconnectors feature double contact interruption and an isolating distance. s a result, the fuses of the switch disconnectors are de-energized in the OFF position. The 3KM switch disconnectors with fuses also feature an isolating plug connector. This facilitates mounting and contact establishment in motor control centers (MCCs) in conjunction with vertical busbars. Generally, all 3K. 5 switch disconnectors can be secured on the shaft with a padlock to prevent unauthorized reclosing. Identical accessories for 3K switch disconnectors and for 3KL and 3KM switch disconnectors with fuses simplify stock keeping. Please inquire about a special variant with reduced values that is particularly resistant to atmospheres high in sulfur, e.g. in the paper and cellulose processing industries. Siemens LV 1 T 2008 /21

3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KL Switch Disconnectors with Fuses up to 800 General data Technical specifications Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3KL50 3KL52 1) 3KL53 1) 3KL55 1) 3KL57 1) 3KL61 1) 3KL62 1) Rated uninterrupted current I u 63 125 160 250 400 630 800 For fuse links acc. to DIN 43620, (when SITOR semiconductor fuses are used, a reduction of rated current is necessary, see Catalog SITOR Configuration, Order No. E20001-700-P302) Size 00 and 000 00 and 000 00 and 000 1 and 2 1 and 2 3 and 2 3 and 2 Continuous free-air thermal current I 2) th 63 125 160 250 400 630 800 Rated insulation voltage U i V 690 1000 1000 1000 1000 1000 1000 Rated impulse voltage U imp kv 6 8 8 8 8 8 8 Rated operational voltage U e C 50 Hz/60 Hz V 690 DC V 440 (3 conducting paths series-connected) 220 (2 conducting paths series-connected) 3) Rated short-circuit making capacity with fuses 3) k 220 220 220 6 6 105 105 t50hz/60hz 690V C (peak Rated conditional short-circuit current with fuses 3) k 100 100 100 80 80 50 50 t50hz/60hz 690V C Max. rated current I n of the fuses 80 160 160 400 400 630 800 Max. permissible power loss of the installed fuse LV HRC W 6 9 11.5 32 45 48 62 BS W 8 (2/3) 11.5 (4) 11.5 32 45 48 60.5 Permissible let-through current of the fuses k 8 30 5) 30 5) 50 50 Maximum permissible let-through I 2 tvalue k 2 s 55 223 223 1000 1000 5400 10500 Switching capacity (infeed from top or bottom) t 400 V C Breaking current I c (p.f. = 0.35) 500 1000 1280 2000 3200 5100 6400 63 125 160 250 400 630 6) 800 6) Rated operational current I e at C-21, C-22, C-23 Motor switching capacity C-23 kw 30 65 80 132 200 335 400 t 500 V C Breaking current I c (p.f. = 0.35) 500 1000 1280 2000 3200 5100 6400 63 125 160 250 400 630 6) 800 6) Rated operational current I e at C-21, C-22, C-23 Motor switching capacity C-23 kw 40 90 110 185 280 425 500 t 690 V C Breaking current I c (p.f. = 0.35) 500 1000 1280 2000 3200 5100 6400 63 125 160 250 400 630 5) 800 5) Rated operational current I e at C-21, C-22, C-23 Motor switching capacity C-23 kw 50 110 150 220 375 560 700 t 440 V DC (3 conducting paths series-connected) 7) Breaking current I c (L/R = 15 ms) 250 500 640 1000 8) 1600 2520 9) 2520 9) Rated operational current I e at DC-23 63 125 160 250 10) 400 630 10) 630 10) Rated short-time current (1 s current) k 2.5 3.2 3.2 8 11 32 32 Permissible load Depending on the ambient temperature for open-type installation in control panels (e.g. 8N1) in control cubicles or control racks at 35 C 63 125 160 250 400 630 800 40 C 63 125 155 250 390 630 780 45 C 63 125 150 250 380 610 760 50 C 63 125 145 250 370 590 740 55 C 63 125 140 240 360 570 720 Permissible ambient temperature C -25... +55 for operation 3), C -50... +80 when stored Mechanical endurance Operating 15000 15000 15000 12000 12000 3000 3000 cycles Required operating torque Nm 3 7.5 7.5 16 16 30 30 Degree of protection IP00/IP20 (from the operator side, with fuse and terminal covers) Power loss of the switch disconnector at I th W 8.5 22 36 33 86 140 225 (plus power loss of the fuses) Main conductor connections Busbar systems, max. dimensions (w x t) mm x mm 25 x 9 45 x 10 45 x 10 40 x 12 40 x 15 40 x 40 x For footnotes see next page /22 Siemens LV 1 T 2008

3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KL Switch Disconnectors with Fuses up to 800 General data Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3KL50 3KL52 1) 3KL53 1) 3KL55 1) 3KL57 1) 3KL61 1) 3KL62 1) Cable lug, max. conductor cross-section (stranded) mm 2 35 70 120 150 2 x 150 or 2 x 240 2 x 240 1 x 240 Tightening torque Nm 6... 7.5 7... 10 18... 22 35... 45 35... 45 56 56 Terminal screws M6 M6 M8 M10 M10 M12 M12 PE/ground terminals Flat bars mm x mm -- -- -- 20 x 2.5 20 x 2.5 -- -- Cable lug, max. conductor cross-section (stranded) mm 2 -- -- -- 70 120 -- -- uxiliary switch 1 NO + 1 NC (accessories) Max. number to be plugged 1 2 2 2 2 3 3 Rated operational current I e at C 50 Hz/60 Hz I e /C-12 10 I e /C-15 at U e = 220 V/230 V 6 I e /C-15 at U e = 380 V/400 V 4 I e /C-15 at U e = 500 V 2.5 I e /C-15 at U e = 690 V 1.2 Rated operational current I e at DC I e /DC-13 at U e = 24 V 10 I e /DC-13 at U e = 48 V 4 I e /DC-13 at U e = 110 V 1.2 I e /DC-13 at U e = 220 V 0.4 I e /DC-13 at U e = 440 V 0.2 Connection Solid mm 2 2 x (0.5... 1.5) Finely stranded with end sleeve mm 2 2 x (1... 2.5) Weight Complete version kg 1.450 2.560 2.560 5.400 5.700 -- -- Basic version kg 0.950 2.200 2.200 4.500 4.800 14.000 14.000 1) Technical specifications for approval on request. 2) Configuring note: max. permissible operating temperature for fuse blades 135 C, for connections 100 C. 3) 110 V (one conducting path) 4) With 3KL61 for operation -25 C... +35 C, at +55 C: I th = 570. 5) 3ND1 switchgear protection fuse. 6) C-23B. 7) 220 V DC (L1 and L3 series-connected) or 110 V DC (one conducting path) at DC-23. 8) t 440 V L/R = 4 ms, at 220 V L/R = 15 ms. 9) L/R = 2.5 ms. 10) t 440 V DC-22, at 220 V DC-23. Permissible mounting positions 10 180 180 180 NSE00182 Mounting position for 3KL switch disconnectors Note: For the 3KL switch disconnectors, complete kits for standard and EMERGENCY-STOP application are available for installation in the side and rear panels of control cabinets. Siemens LV 1 T 2008 /23

3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KL Switch Disconnectors with Fuses up to 800 Surface mounting and installation Dimensional drawings 3KL50, 63, 3-pole, dimensional drawing for 4-pole version corresponds to dimensional drawing for 3KL52; without operating mechanism, with lyre-shaped contacts 3KL50, 63 with shaft and 8UC7 operating mechanism 5 - % # =! $ " # $ = # " $ $ % # " # $ # 1) To be kept free of conductive parts. Not necessary when using lyre-shaped contacts or covers (accessories). 3KL50, 30, 63, 3-pole, dimensional drawing for 4-pole version corresponds to dimensional drawing for 3KL52; without operating mechanism, for BS fuses "! # " # # a Shaft length NSE0_00291 max. 380 300; unchanged shaft from 8UC71 R2 min. 5 5-80 ; shortened shaft from 8UC71 5 < a < 380 a -80 6-0,1 3KL52, 125, 3KL53, 160 with shaft and 8UC7 operating mechanism 5 - & = & $ " # Shaft (profile) Engaged length: min. 70 mm max. 150 mm! # " $ $ % # " # $ # ' # ' % # = " # $ $ # #! #! $ N! # # 5 - % $ = a Shaft length max. 350 300; unchanged shaft from 8UC72 min. 165 165-50 ; shortened shaft from 8UC72 165 < a < 350 a -50 NSE_00281 8-0,1 R2 Shaft (profile) Engaged length: min. 90 mm max. 143 mm 3KL52, 125, 3KL53, 160, 3KL50, 63, 4-pole without operating mechanism, with lyre-shaped contacts n 15 85 55 63 c h 35 39 100 110 g 143 i l 100 22,5 * 3KL52, 125, 3KL53, 160, 3KL50, 63, 4-pole without operating mechanism, for BS fuses * NSE0_00277 25 e 38 90 185 5 To be kept free of conductive parts. Not necessary when using lyre-shaped contacts or covers (accessories). Type c e g h N 3KL52 NH 15 37 42 91 106 3KL53 NH 20 39 39.5 105 125 3KL52 2/3 15 37 42 91 106 3KL53 4 20 39 39.5 105 125 4th pole 15 -- 48 91 106 149 Type c e g h N 3KL52 NH 15 37 42 91 106 3KL53 NH 20 39 39.5 105 125 3KL52 2/3 15 37 42 91 106 3KL53 4 20 39 39.5 105 125 4th pole 15 -- 48 91 106 4th pole 3KX3 523-0 for 3K50, 3K52, 3K53 46 16,5 NSE00279b N N h n Type c h N 3K52 15 91 106 3K53 20 105 125 4th pole 15 91 106 l 215 30 c /24 Siemens LV 1 T 2008

3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KL Switch Disconnectors with Fuses up to 800 Surface mounting and installation 3KL55, 250, 3KL57, 400 without operating mechanism, with lyre-shaped contacts 26,5 207 107 65 a b 86 25 11 c 41 16 135 160 130 11 20 7 7 100 240 NSE0_00282a 3 195,5 (size 1) 203,5 (size 2) 209 Type a b c 3KM55 40 4 M 10 x 30 3KM57 38 6 M 10 x 36 4th pole 80 4 M 10 x 30 3KL55, 250, 3KL57, 400 with shaft and 8UC7 operating mechanism 5 - & " = NSE0_00283 R2 10-0,1 " Shaft (profile) Engaged length: min. 0 mm max. 205 mm $! $ # # " & & # # & & = a Shaft length max. 335 300; unchanged shaft from 8UC73 min. 230 230-35 ; shortened shaft from 8UC73 230 < a < 335 a -35 3KL61, 630, 3KL62, 800 without operating mechanism, with lyre-shaped contacts, with partitions 9 20,5 345 315 NSE00286 1 4th pole for 3KL61 ' # 180 26 78 12 208 270 230 280 5 - ' # = # # ' " 40 95,5 87 87 Total installation depth with handle: 239 + 74,5 + 66,5 = 370 29 M 12 234 239 240 74,5 66,5! ' ' " # 1 Profile 12 x 12. Shaft length 110. Shaft can be turned by 45 Schematics Internal circuit diagram for 3KL (for 3KL50 and 3KL51, only one auxiliary switch possible, not included in scope of supply; 4th pole is possible as main contact) (auxiliary switch not included in scope of supply) Use for DC voltage at DC-23 440 V Siemens LV 1 T 2008 /25

3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KM Switch Disconnectors with Fuses and Isolating Plug Connector up to 400 General data Overview 7 2 NSE0_01557a 4 1 5 6 7 9 3 7 3KL or 3KM basic device Plug-in contact strip for 3KM Fuses, optionally BS-88 or LV HRC fuses Terminal cover, IP20 (vertical to operator side) Coupling driver with extension shaft Standard products from the Siemens 3SB1 range are used as auxiliary switches. Single-pole terminal cover from 63 to 630, IP20 (vertical to operator side) ll components from the switch to the actuator are provided with non-interchangeability features. 8 Optional 8UC9 knob for fixed mounting in standard version (black) or EMERGENCY-STOP version (red), or 9 8UC7 door-coupling rotary operating mechanism in standard version (ti-grey) or EMERGENCY-STOP version (red/yellow) 3 Design ll switch disconnectors feature double contact interruption and an isolating distance. s a result, the fuses are de-energized when the switch disconnectors are in the disconnected position. The 3KM switch disconnectors with fuses also feature an isolating plug connector. This facilitates mounting and contact establishment in motor control centers (MCCs) in conjunction with vertical busbars. Generally, all 3K.5 switch disconnectors can be secured on the shaft with a padlock to prevent unauthorized reclosing. /26 Siemens LV 1 T 2008 Identical accessories for 3K switch disconnectors and for 3KL and 3KM switch disconnectors with fuses simplify stock keeping. Please inquire about a special variant with reduced values that is particularly resistant to atmospheres high in sulfur, e.g. in the paper and cellulose processing industries.

3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KM Switch Disconnectors with Fuses and Isolating Plug Connector up to 400 Technical specifications General data Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3KM50 3KM52 3KM53 3KM55 3KM57 Rated uninterrupted current I u 63 125 160 250 400 For fuse links acc. to DIN 43620, (when SITOR semiconductor fuse links are used, a reduction of rated current is necessary, see Catalog SITOR Configuration, Order No. E20001-700-P302) Size 00 and 000 00 and 000 00 and 000 1 and 2 1 and 2 Continuous free-air thermal current I 1) th 63 125 160 250 400 Rated insulation voltage U i V 690 1000 1000 1000 1000 Rated impulse voltage U imp kv 6 8 8 8 8 Rated operational voltage U e C 50 Hz/60 Hz V 690 DC V 440 (3 conducting paths series-connected) V 220 (2 conducting paths series-connected) 2) Rated short-circuit making capacity with fuses t 50 Hz/60 Hz 690 V C Rated conditional short-circuit current with fuses t 50 Hz/60 Hz 690 V C k (peak k 220 220 220 6 6 100 100 100 80 80 Max. rated current I n of the fuses 80 160 160 400 400 Max. permissible power loss of the installed fuse LV HRC W 6 9 11.5 32 45 BS W 8 (2/3) 11.5 (4) 11.5 32 45 Permissible let-through current of the fuses k 8 30 4) 30 4) Maximum permissible let-through I 2 tvalue k 2 s 55 223 223 1000 1000 Switching capacity (infeed from top or bottom) t 400 V C Breaking current I c (p.f. = 0.35) 500 1000 1280 2000 3200 63 125 160 250 400 Rated operational current I e at C-21, C-22, C-23 Motor switching capacity C-23 kw 30 65 80 132 200 t 500 V C Breaking current I c (p.f. = 0.35) 500 1000 1280 2000 3200 63 125 160 250 400 Rated operational current I e at C-21, C-22, C-23 Motor switching capacity C-23 kw 40 90 110 185 280 t 690 V C Breaking current I c (p.f. = 0.35) 500 1000 1280 2000 3200 63 125 160 250 400 Rated operational current I e at C-21, C-22, C-23 Motor switching capacity C-23 kw 50 110 150 220 375 t 440 V DC (3 conducting paths series-connected) 4) Breaking current I c (L/R = 15 ms) 250 500 640 1000 5) 1600 Rated operational current I e at DC-23 63 125 160 250 6) 400 Rated short-time current (1 s current) k 2.5 3.2 3.2 8 11 Permissible load Depending on the ambient temperature for open-type installation in control panels (e.g. 8N1) in control cubicles or control racks at 35 C 63 125 160 250 400 40 C 63 125 155 250 390 45 C 63 125 150 250 380 50 C 63 125 145 250 370 55 C 63 125 140 240 360 Permissible ambient temperature C -25... +55 for operation 3) C -50... +80 when stored Mechanical endurance Operating 15000 15000 15000 12000 12000 cycles Required operating torque Nm 3 7.5 7.5 16 16 Degree of protection IP00/IP20 (from the operator side, with fuse and terminal covers) Power loss of the switch disconnector at I th W 8.5 22 36 33 86 (plus power loss of the fuses) Main conductor connection Busbars, max. dimensions (W T) mm mm 25 9 45 10 45 10 40 12 40 15 Cable lug, max. conductor cross-section (stranded) mm 2 35 70 120 150 2 150 or 1 240 For footnotes see next page Siemens LV 1 T 2008 /27

3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KM Switch Disconnectors with Fuses and Isolating Plug Connector up to 400 General data Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3KM50 3KM52 3KM53 3KM55 3KM57 Busbars, max. dimensions (w t) mm mm 25 9 45 10 45 10 40 12 40 15 Tightening torque Nm 6... 7.5 7... 10 18... 22 35... 45 35... 45 Terminal screws M6 M6 M8 M10 M10 PE/ground terminals Flat bars mm mm -- -- -- 20 2.5 20 2.5 Cable lug, max. conductor cross-section (stranded) mm 2 -- -- -- 70 120 uxiliary switch 1 NO + 1 NC (accessories) Max. number to be plugged 1 2 2 2 2 Rated operational current I e at C 50 Hz/60 Hz I e /C-12 10 I e /C-15 at U e = 220 V/230 V 6 I e /C-15 at U e = 380 V/400 V 4 I e /C-15 at U e = 500 V 2.5 I e /C-15 at U e = 690 V 1.2 Rated operational current I e at DC I e /DC-13 at U e = 24 V 10 I e /DC-13 at U e = 48 V 4 I e /DC-13 at U e = 110 V 1.2 I e /DC-13 at U e = 220 V 0.4 I e /DC-13 at U e = 440 V 0.2 Connection Solid mm 2 2 (0.5... 1.5) Finely stranded with end sleeve mm 2 2 (1... 2.5) Weight Complete version kg 1.936 2.960 2.960 7.160 7.450 Basic version kg 1.820 2.600 2.600 6.147 6.443 1) Configuring note: max. permissible operating temperature for fuse blades 135 C, for connections 100 C. 2) 110 V (one conducting path). 3) 3ND1 switchgear protection fuse. 4) 220 V DC (L1 and L3 series-connected) or 110 V DC (one conducting path) at DC-23. 5) t 440 V L/R = 4 ms, at 220 V L/R = 15 ms. 6) t 440 V DC-22, at 220 V DC-23. Permissible mounting position 10 180 180 180 NSE00182 Mounting position for 3KM switch disconnectors /28 Siemens LV 1 T 2008

3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KM Switch Disconnectors with Fuses and Isolating Plug Connector up to 400 For snapping onto busbars Dimensional drawings 3KM50, 63 with shaft and 8UC7 operating mechanism 5 - & % = $! $ " # 3KM50, 63 without operating mechanism, with lyre-shaped contacts 120 43,5 1) 22,5 100 = # " a Shaft length max. 380 300; unchanged shaft from 8UC71 min. 5 5-80 ; shortened shaft from 8UC71 5 < a < 380 a -80 $ $ % # " # $ # 71 150 42 25 25 90 5-6,4 60 60 2 206 25 40 9 60 89 NSE00288a 23 2 134 135 M 6x20 7,5 1) To be kept free of conductive parts. Not necessary when using lyre-shaped contacts or covers (accessories). 3KM50, 63 without operating mechanism, for BS fuses Drilling pattern and connector cutout NSE00290 5,5 25 25 5,5 90 5 5,5 6 40 31 Shaft middle NSE0_00291 R2 6-0,1 Shaft (profile) Engaged length: min. 70 mm max. 150 mm 1) To be kept free of conductive parts. Not necessary when using lyreshaped contacts (included in the scope of supply) or covers (accessory). 3KM52, 125 3KM53, 160 with shaft and 8UC7 operating mechanism 5 - ' = & $ " # 3KM52, 125 3KM53, 160 without operating mechanism, with lyre-shaped contacts (for further dimensions see 3KL52 and 3KL53) # = # " $ $ % # " # $ # " # "!? " ' C E a Shaft length max. 350 300; unchanged shaft from 8UC72 min. 165 165-50 ; shortened shaft from 8UC72 165 < a < 350 a -50 % " # $ $ % & # # $ " # % 5 - '! > Type c e g i l 3KM52 15 37 42 3 Ø 6.6 3KM53 20 39 39.5 3.5 Ø 9 1) To be kept free of conductive parts. Not necessary when using lyreshaped covers or covers (accessories). Siemens LV 1 T 2008 /29

C E 3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KM Switch Disconnectors with Fuses and Isolating Plug Connector up to 400 For snapping onto busbars 3KM52, 125 3KM53, 160 without operating mechanism, for BS fuses ' $ Drilling pattern and cut-out in the mounting plate for mounting 3KM52 5 Cutout in the mounting plate " ' " "! % #? # $ " 6 35 31 25 25 60 90 5,5 Shaft middle NSE0_00295a $ $ % & # # % 5 - ' " > Type c e g i l 3KM52 15 37 42 3 Ø 6.6 3KM53 20 39 39.5 3.5 Ø 9 NSE0_00296a 8-0,1 R2 Shaft (profile) Engaged length: min. 90 mm max. 143 mm 3KM55, 250 3KM57, 400 with shaft and 8UC7 operating mechanism 5 - ' % = " $! $ # 3KM55, 250 3KM57, 400 without shaft, without operating mechanism, with lyre-shaped contacts (further dimensions see 3KL55) % " $ # " & & = a Shaft length max. 335 300; unchanged shaft from 8UC73 min. 230 230-35 ; shortened shaft from 8UC73 230 < a < 335 a -35 # # & & % % " # # $ " ' 5 - ' & > O N ' # # / H! # / H $ $ % # Type x y z 3KM55 4 40 M 10 x 30 3KM57 6 38 M 10 x 36 3KX3 508-0 busbar supports for bars 30 mm 5 mm & # $ $ # 5 - ' ' Drilling pattern and cut-out in the mounting plate for mounting 3KM55 and 3KM57 $ "! " & 5 Cutout in the mounting plate 31 $ # NSE0_00283 10-0,1 R2 Shaft (profile) Engaged length: min. 0 mm max. 205 mm 31,5 75,5 25 41 100 7 NSE00301a Shaft middle /30 Siemens LV 1 T 2008

3KL, 3KM, 3NJ6 Switch Disconnectors with Fuses 3KM Switch Disconnectors with Fuses and Isolating Plug Connector up to 400 For snapping onto busbars Cut-outs for 3K. 50, 3K51 with 3KX3 516-...rear manual operating mechanism " & # # # $ 5 -! = Cut-outs for 3K. 52, 3K. 53 with 3KX3 526-.../3KX3 536-... rear manual operating mechanism Cut-outs for 3K. 55, 3K. 57, 3K. 58 with 3KX3 556-... rear manual operating mechanism # & # # $ & 5 -! " = # # # & " & " & # & # $ $ 5 -!! = Schematics Internal circuit diagram for 3KM (for 3KM50 and 3KM51, only one auxiliary switch possible) Siemens LV 1 T 2008 /31

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 General data Design Function The SENTRON 3NP4 and 3NP5 fuse switch disconnectors Fuse monitoring by SIRIUS motor starter protector comprise a base and a removable fuse carrier with view and measuring window. For fuse monitoring, a SIRIUS motor starter protector is factory-fitted and hard-wired to the fuse carrier of the The base contains integral lyre-shaped contacts, arcing SENTRON 3NP4 and 3NP5 fuse switch disconnectors. chambers and terminal fittings. The fuse links/isolating links are contained in the fuse carrier. If the fuse carrier is closed, the three conducting paths of the SIRIUS motor starter protector are switched in parallel to the fuse The fuse links can be replaced without tools. links to be monitored. If the fuse carrier is open, all main current The three conducting paths in the base and the fuse links in the paths of the motor starter protector are off circuit. fuse carrier are separated by partitions that overlap when The internal resistance of the motor starter protector is great opening and closing the device. enough not to impair the protective function of the monitored This type of failsafe protection is called "complete compartmentalization" and effectively prevents inter-phase arcing. Failure of a fuse will trigger the motor starter protector. The aux- fuse links. SENTRON 3NP5 fuse switch disconnectors are also equipped iliary switch of the motor starter protector can be used for indication purposes or to disconnect the main circuit, e.g. through a with locating springs, which are fitted to the side of the base. These enable the "high speed closing" of devices, regardless of contactor. the actuating speed of the operator. The signal cable for the SENTRON 3NP4 fuse switch disconnector LV HRC fuses of sizes LV HRC 000 to LV HRC 3 according to size LV HRC 00 needs to be ordered separately. For sizes IEC 60269-2-1 and DIN VDE 43620 are used in the SENTRON LV HRC 1 to LV HRC 3 the connection is via flat connectors. 3NP4 and 3NP5 fuse switch disconnectors. SITOR semiconductor Delivery of the SENTRON 3NP5 fuse switch disconnectors fuses can continue to be used for a wide range of applications. includes the signal cable, complete with connector. For more detailed information, please refer to the operating SIRIUS motor starter protectors cannot be used for fuse monitoring in branch circuits by motor starter protectors where a fault instructions for the SENTRON 3NP4 and 3NP5 fuse switch disconnectors. may result in > 220 V DC feedback. uxiliary switches In the case of parallel cables and meshed systems, only a voltage difference of > 24 V at the switch will trigger the motor starter The SENTRON 3NP4 and 3NP5 fuse switch disconnectors can protector. also be retrofitted with auxiliary switches for indicating the switch position of the fuse carrier. Electronic fuse monitors One switch block (1 CO) can be mounted on size LV HRC 000 of For electronic fuse monitoring, the EF monitor is factory-fitted the SENTRON 3NP4 fuse switch disconnector and two switch and hard-wired to the fuse carrier of SENTRON 3NP5 fuse switch blocks (1 CO) can be mounted on sizes LV HRC 00 to LV HRC 3. disconnectors. SENTRON 3NP5 fuse switch disconnectors can also be delivered The EF monitor works independently of any loads. Failure of a with a 2-pole auxiliary switch (1 NO + 1 NC) if required. The fuse can be relayed to a control room through integrated auxiliary version with fuse monitoring is fitted with this auxiliary switch as switches (2 NO + 1 NC) by means of a centralized fault indication standard. or used to isolate the load through e.g. a contactor. ctuation of the auxiliary switch depends on the EF monitor. Version "" stands for "open-circuit principle", version "R" for closedcircuit principle" (see schematic circuit diagram on page /44). If a fuse is tripped, a green LED signal flashes (general fault) and the location of the failed fuse is indicated by a red LED. Using more than one device facilitates identification of the affected branch circuit. The EF monitor is automatically reset to the standby position once the faulty fuses are replaced. This state is indicated visually by the status display (green LED). The EF monitor is also suitable for operation in industrial networks badly afflicted by harmonics. /32 Siemens LV 1 T 2008

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 General data Technical specifications Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3NP40 1 3NP40 7 3NP42 7 3NP43 7 3NP44 7 Rated uninterrupted current I u 160 1) 160 250 400 630 For fuse links acc. to DIN 43620 Size 00C/000 00 1 and 0 2 and 1 3 and 2 Continuous free air thermal current I th 160 1) 160 250 400 630 Rated operational voltage U e C 50 Hz/60 Hz V 690 690 DC V 220 (3 conducting paths seriesconnected) 1) 125/160 only with 3NY1 236 feeder terminals and with 3NY1 822 (125 ) and 3NY1 824 (160 ) 21 mm wide fuse links; see ccessories. 2) When switching without load (C-20 B, DC-20 B), direct voltages up to 690 V DC can be applied. 3) For safety monitoring max. 690 V. 4) For degree of pollution 2, the switch disconnectors can be used up to 1000 V C-20 B, DC-20 B (no-load switching). 5) Conducting paths in series: 3 for 3NP40; 2 for 3NP42, 3NP43 and 3NP44. 440 (2 conducting paths seriesconnected) Rated insulation voltage U i V 690 690 800 3) 800 3) 800 3) Rated impulse voltage U imp kv 6 6 6 6 6 Rated conditional short-circuit current with fuses (for fast switch-on) With fuse links Rated current Size/ 000/100 (35) 00/160 1/250 2/400 3/630 t 400 V C (690 V) k 50 (50) 50 50 50 50 Maximum permissible let-through I 2 tvalue k 2 s 56 (7,8) 158 551 1515 4340 Permissible let-through current of the fuse k 11 (5) 15 25 35 55 (peak Short-circuit strength with fuses (with closed switch) With fuse links Rated current Size/ 000/100 00/160 1/250 2/400 3/630 t 690 V k 100 50 50 50 50 Permissible let-through current of the fuse k 15 15 25 35 55 (peak Rated making and breaking capacity (infeed from top or bottom) t 400 V C, with fuse links or isolating links Size 000 00 1 2 3 Rated breaking current I c (p.f. = 0.35) 800 (p.f. = 0.45) 800 2000 3200 5040 Rated operational current I e for C-21B, C-22B, C-23B 160 100 t 500 V C, with fuse links or isolating links Size 000 00 1 2 3 Rated breaking current I c (p.f. = 0.35) 320 (p.f. = 0.45) 320 750 1200 1890 Rated operational current I e for C-21B, C-22B, C-23B 160 100 40 t 690 V C, with fuse links or isolating links Size 000 00 1 2 3 Rated breaking current I c (p.f. = 0.35) 200/240 200/240 375 600 945 (p.f. = 0.45/0.95) (p.f. = 0.45/0.95) Rated operational current I e for C-21B, C-22B, C-23B t 220 V/240 V DC, with fuse links 2)4)5) or isolating links Rated operational current I e at 220 V DC-23B/DC-21B 440 V DC-21B 160 50 25 160 100 160 100 40 160 50 25 250 250 250 250 -- 250 -- -- 400 400 400 400 -- 400 -- -- Size 000 00 1 2 3 80/160 -- 80/160 -- -- 250 -- 400 630 630 630 630 -- 630 -- -- -- 630 Siemens LV 1 T 2008 /33

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 General data Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3NP40 1 3NP40 7 3NP42 7 3NP43 7 3NP44 7 Capacitor switching capacity t 400 V C Capacitor rating kvar 50 50 -- -- -- Rated current I n 72 72 -- -- -- t 525 V C Capacitor rating kvar 50 50 -- -- -- Rated current I n 55 55 -- -- -- Permissible ambient temperature C -25... +55 1) for operation, -50... +80 when stored Mechanical endurance Operating 2000 2000 1600 1000 1000 cycles Degree of protection (operator side) Without molded-plastic masking frame/cable lug cover IP00 (3NP40 with box terminal and properly connected conductors: IP20) With molded-plastic masking frame/cable lug cover IP30 (switch closed), IP20 (switch open) Power loss of switch disconnector at I th (plus power loss of fuse links) Without busbar adapter W 4.5 (at 100 ) 10 15 30 47 With busbar adapter W 8.5 (at 100 ) 20 47 83 127 Main conductor connections Flat connector for cable lug acc. to DIN 46234, max. conductor cross-section (stranded) Box terminal/terminal (finely stranded with end sleeve) 1) Only with isolating links; otherwise, please observe specifications of fuse manufacturer. mm 2 -- Up to 2 70 (M8) Up to 150 (M10) Up to 240 (M10) Up to 2 240 (M12) mm 2 1.5... 50 (35) 2.5... 70 (50) 70... 150 120... 240 150... 300 Busbar (width thickness) mm -- 22 5 22... 30 5... 10 Louvered Cu strips, unperforated in terminals (width x thickness) 22... 30 5... 10 25... 40 5... 10 mm 8 8 Up to 9 8 Up to 16 8 Up to 20 10 Up to 24 10 Tightening torques for terminal screws For flat connector NM -- 10... 12 30... 35 30... 35 35... 40 With SIGUT box terminal/terminal NM 3... 3.5 8... 10 6 8 8 uxiliary switch 1 CO (accessories) 3NY3 035 50 Hz/60 Hz up to 230 V C Rated operational current I e at C-14 0.25 (I th = 5 ), at 24 V DC: I e = 0.45 ; flat terminations acc. to DIN 46244: 2.8 0.5 3NY3 030 C 50 Hz/60 Hz up to 230 V Rated operational current I e at C-13 0.1 (I th = 0.1 ); plug-in sleeve acc. to DIN 46245: 2.8... 1 Permissible mounting positions Vertical or horizontal installation (no reduction of specified switching capacity) /34 Siemens LV 1 T 2008

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 General data Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3NP50 3NP52 3NP53 3NP54 Rated uninterrupted current I u 160 250 400 630 For fuse links acc. to DIN 43620 Size 00 1 and 0 2 and 1 3 and 2 (when SITOR semiconductor fuse links are used, a reduction of rated current is necessary see Catalog "SITOR Configuration", Order No. E20001-700-P302) Conventional free-air thermal current I th 160 250 400 630 Rated operational voltage U e C 50 Hz/60 Hz V 690 DC V 440 (3 conducting paths series-connected), 220 (2 conducting paths series-connected and with fuse monitoring through 3RV) Rated insulation voltage U i V 690 1) 690 1) 690 1) 690 1) Rated impulse voltage U imp kv 6 6 6 6 Rated conditional short-circuit current with fuses (for fast switch-on) With fuse links Rated current Size/ 00/160 1/250 2/400 3/630 t 500 V C k 50 50 50 50 Permissible let-through current of the fuses k 15 25 40 50 (peak Short-circuit strength with fuses (with closed switch) With fuse links Rated current Size/ 00/160 1/250 2/400 3/630 t 500 V C k 100 100 50 50 Maximum permissible let-through I 2 tvalue k 2 s 223 780 2150 5400 Permissible let-through current of the fuses k (peak 23 32 40 60 Rated short-circuit making capacity with isolating links 2) Size 00 1 2 3 t 500 V C k 6 (peak Rated making and breaking capacity 2) (infeed from top or bottom) 3) Size 00 1 0 2 1 3 2 t 400 V C, with fuse links Breaking current I c (p.f. = 0.35) Rated operational current I e at C-21B, C-22B, C-23B t 500 V C, with fuse links Breaking current I c (p.f. = 0.35) Rated operational current I e at C-21B, C-22B, C-23B t 690 V C, with fuse links Breaking current I c (p.f. = 0.35) Rated operational current I e for C-21B, C-22B, C-23B 1600 2500 1600 4000 2500 5040 4000 160 250 160 400 250 630 400 1300 2500 1600 4000 2500 5040 4000 160 250 160 400 250 630 400 800 1280 1000 2520 1600 3200 2520 160 100 t 220 (440) V DC, with 2 (3) conducting paths series-connected and fuse links Breaking current I c (L/R = 15 ms) 640 1000 640 1600 1600 2520 1600 Rated operational current I e at DC-23B 160 250 160 250 250 630 400 250 160 160 125 400 315 250 200 630 400 400 315 For footnotes see page /36 Siemens LV 1 T 2008 /35

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 General data Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3NP50 3NP52 3NP53 3NP54 Switching capacity with isolating links 4) (infeed from top or bottom) 4) t 400 V C, with isolating links Size 00 1 2 3 Breaking current I c (p.f. = 0.35) 1600 2500 2500 4000 Rated operational current I e for C-21B, C-22B, C-23B t 500 V C, with isolating links Breaking current I c (p.f. = 0.35) Rated operational current I e for C-21B, C-22B, C-23B t 690 V C, with isolating links Breaking current I c (p.f. = 0.35) Rated operational current I e for C-21B, C-22B, C-23B 160 160 250 250 400 315 630 500 1300 2500 2500 4000 160 160 250 250 400 315 630 500 800 1280 1600 2520 160 100 t 220 V DC, with isolating links Breaking current I c (L/R = 15 ms) 640 1000 1600 1600 Rated operational current I e at DC-23B 160 200 400 400 Switching capacity for horizontal installation Up to 690 V C-22B 250 160 No reduction in specified switching capacity (values for C-23B up to 690 V on request) 400 200 630 315 Permissible mounting position 10 180 180 180 3NP5 NSE00182 1) When observing degree of pollution 2 (instead of 3) operation is also possible up to U i = 1000 V. 2) Rated making and breaking current according to IEC 60947-3 Rated making current I = 10 I e (C-23); 3 I e (C-22); 1.5 I e (C-21) Rated breaking current I e = 8 I e (C-23); 3 I e (C-22); 1.5 I e (C-21). 3) When using electronic fuse monitoring, infeed must be from the top. 4) Insert silver-plated isolating links. /36 Siemens LV 1 T 2008

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 General data Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Type 3NP50 3NP52 3NP53 3NP54 Capacitor switching capacity t 400 V C Capacitor rating kvar 80 90 150 250 Rated current I n 116 130 216 361 t 525 V C Capacitor rating kvar 100 125 200 300 Rated current I n 110 137 220 330 Permissible ambient temperature C -25... +55 for operation 1), -50... +80 when stored Mechanical endurance Operating 1600 cycles Degree of protection Without molded-plastic masking frame IP00 2) With molded-plastic masking frame and closed fuse carrier on the operator side IP30 with open fuse carrier IP10 Power loss of of the switch disconnector at I th (plus power loss of the fuse links) Without busbar adapter W 7.8 (16.3) 3) 7.5 15 39 Main conductor connections Cable lug, max. conductor cross-section (stranded) mm 2 2.5... 120 6... 150 6... 240 6... 2 240 Busbar mm 16... 22 22... 30 22... 30 22... 30 Terminal clamp mm 2 2.5... 50 35... 120 -- -- Tightening torque With cable lug NM 18... 22 25... 30 25... 30 25... 30 With busbar NM 18... 22 25... 30 25... 30 25... 30 With terminal clamp NM 9... 11 5... 6 -- -- Terminal screws With cable lug M8 M10 M10 M10 With busbar M8 M10 M10 M10 With terminal clamp M8 2 M6 -- -- PE/ground terminals Cable lug acc. to DIN 46234 mm 2 -- 2.5... 70 6... 2 70 6... 2 120 Busbar mm -- 25 25 30 Terminal screws -- M8 M10 M10 uxiliary switch 1 NO + 1 NC (accessories) (the same voltage potential must be applied to both NO and NC contact) t 50 Hz/60 Hz up to 400 V C, 16/6 rated operational current I e at C-12/C-15 Flat connector (DIN 46244) 6.3... 0.8 Permissible mounting positions Vertical or horizontal (partially reduced switching capacity with horizontal mounting) Fuse monitoring with 3RV motor starter protectors See Motor Starter Protectors Electronic fuse monitoring Rated voltage 50 Hz/60 Hz C V 400-15 %... 500 V +10 %, self-powered (infeed from top) Max. inrush current 20 Uninterrupted current 5 Breaking current 5 Switching capacity V 1000 Short-circuit strength (1 ms) 100 Response time s < 1 Temperature range (operation) C -10... +75 Plug-in connectors/connections 6-pole Minimum required potential difference V >10 between upper and lower switch connections (e.g. for use in meshed systems) Signaling contact for electronic 2 NO + 1 NC fuse monitoring Rated operational current I e t 250 V, DC-13 0.27 t 240 V, C-15 1.5 Thermal free-air rated current I th 5 1) When using isolating links. If using fuse links, please observe specifications of fuse manufacturer. 2) For 3NP52 with terminal clamp connection, degree of protection IP10. 3) With busbar adapter. Siemens LV 1 T 2008 /37

# 3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 For power distribution Dimensional drawings 3NP40 10 $ " # " " # & ' # & # " & "! $ # # # # # ) K N EE= HO I M EJ? D %! # " " % % # % " 5 - ' = $ & # Cutout for 3NP35 and 3NP40 10 3NP40 10 with 3NY1 995 quick retaining plate mounting rail center-to-center clearance: 125 mm 3NY1 995 quick retaining plate for 3NP40 10 and 3NP40 70 Top holes with a 50 mm intermediate dimension must be used for installation in STB 8GD wall-mounting distribution boards. 3NP40 10 with 3NY1 237 3-phase busbar for 2 fuse switch disconnectors 3NY1 265 covering cap for 3NY1 238 3-phase busbar 3NP40 10 with 3NY1 235 triple terminal 3NP40 10 with 3NY1 236 supply terminal 3NP40 10 with 3NY1 251 molded-plastic masking frames 3NP40 15-1CJ01 with busbar adapter, flat, rails of width 12 mm or 15 mm and thickness 5 mm or 10 mm, bottom connection 3NP40 15-1CK01 with busbar adapter, flat, rails of width 12 mm or 15 mm and thickness 5 mm or 10 mm, bottom connection 3NP40 15-0CJ01 with busbar adapter, deep, rails of width 12 mm or 15 mm and thickness 5 mm or 10 mm, bottom connection 3NP40 16-1CJ01 with busbar adapter, rails of width 12, 15, 20 mm or 30 mm and thickness 5 mm or 10 mm, flat, T, I profiles and other renowned busbar systems, bottom connection 3NP40 16-1CK01 with busbar adapter, rails of width 12, 15, 20, 25 mm or 30 mm and thickness 5 mm or 10 mm, flat, T, I profiles and other renowned busbar systems, top connection 19 100,5 89 69,5 11,5 168 60 60 NSE 00205a 25,5 25,5 10 14 72 201 /38 Siemens LV 1 T 2008

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 For power distribution 3NP40 70 for mounting 108 50 70 83,5 0 161 101 45 36,5 3NP42 70, 3NP43 70, 3NP44 70 for mounting a f f b e c d NSE0_00207a 190 NSE00206a Drilling pattern for 3NP40 70 3NP40 75-0 with busbar adapter, deep, rails of width 12 mm or 15 mm and thickness 5 mm or 10 mm Type a b c d e f 3NP42 70 184 243 66 45.5 215 57 3NP43 70 210 288 80 48 255 65 3NP44 70 256 300 94.5 48 267 81 3NY73 22 quick retaining plate Drilling pattern for 3NP42 70 NSE0052 85 M 6 122,5 81,7 97,5 Drilling pattern for 3NP43 70 Drilling pattern for 3NP44 3NP40 75-1 with busbar adapter, flat, rails of width 12 mm or 15 mm and thickness 5 mm or 10 mm $ Bottom edge disconnector-base % Center disconnector-base For plastic frames Cutouts 2) for 3NP40 70 Cut-outs 2) for 3NP42 70 50 5,8 118 110 NSE00523 195 25 11 116 114 130 50 157 274,4 For metal frames Cutouts for 3NP4 Type Cover between installation kit Panel cut-out min. Molded-plastic masking frame behind panel Type B H B H h 1) 3NP40 1 3NY1 251 130 215 100 180 100 3NP40 7 3NY7 200, 130 215 118 195 110 3NY7 201 3NP42 7 3NY7 220 220 375 210 275 157 3NP43 7 3NY7 230 245 375 235 315 4 3NP44 7 3NY7 240 290 375 280 325 8 Molded-plastic masking frame in front of panel Type B H B H h 1) 3NP40 1 3NY1 251 130 215 100 155 87 3NP40 7 3NY7 200, 130 215 118 195 110 3NY7 201 3NP42 7 3NY7 220 220 375 198 275 157 3NP43 7 3NY7 230 245 375 224 315 4 3NP44 7 3NY7 240 290 375 270 325 8 1) h = distance from upper edge of panel cut-out to center of disconnector mounting. Cut-outs 2) for 3NP43 50 130 224 11 NSE00525 4 Cut-outs 2) for 3NP44 2) Cover is placed open on the switchgear cabinet panel, for cover behind control cabinet panel: cut-out dimensions on request. 50 198 162 270 11 NSE00526 7,5 267 Siemens LV 1 T 2008 /39

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 For power distribution 3NP40 70-0F for mounting and installation " #! $ # # % 3NP40 75-0F with busbar adapter, deep, 40 mm, rails of width 12 mm or 15 mm and thickness 5 mm or 10 mm $ " $ # & # &! # '! # 5 - '? 3NP40 75-1F with busbar adapter, flat, 40 mm, rails of width 12 mm or 15 mm and thickness 5 mm or 10 mm 3NP40 76-0F with busbar adapter, flat, 60 mm, rails of width 12 mm or 30 mm and thickness 5 mm or 10 mm 3NP40 76-1 with busbar adapter, busbars with a width of 12 mm to 30 mm and a thickness of 5 mm or 10 mm, flat, T and I profiles 3NP42 75-1 3NP42 76-1 3NP43 76-1 3NP44 76-1 with busbar adapter, busbars with a width of 12 mm to 30 mm and a thickness of 5 mm or 10 mm, flat, T and I profiles Type a b 1) c d e f 3NP42 75-1 184 243 83 2) 45.5 111 40 3NP42 76-1 184 243 83 2) 45.5 111 60 3NP43 76-1 210 288 97 48 125 60 3NP44 76-1 256 300 112 48 139 60 1) For VBG4 plus dimension c of the cable lug covers (see page /41). 2) The 3NY7 820 molded-plastic masking frame is used for depth compensation (below) when installed together with size 000 or size 00 in STB/SIKUS distribution boards. /40 Siemens LV 1 T 2008

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 For power distribution 3NY7 200 molded-plastic masking frame for 3NP40 7 for installation in any distribution board 3NY7 201 molded-plastic masking frame for 3NP40 7.- for 3NP40 7.-C01 3NY7 220 molded-plastic masking frame for 3NP42 for installation in any distribution board 215 40 130 NSE00527 3NY7 230 molded-plastic masking frame for 3NP43 for installation in any distribution board 3NY7 240 molded-plastic masking frame for 3NP44 for installation in any distribution board 3NY7 820 molded-plastic masking frame for one 3NP42 70 switch disconnector for installation in STB/SIKUS distribution boards 3NY7 500 molded-plastic masking frame for one 3NP40 switch disconnector, left for installation in SIKUS 3200, STB 160 and 400 and SIKUS 630 distribution boards 3NY7 501 molded-plastic masking frame for one 3NP40 switch disconnector, right for installation in SIKUS 3200, STB 160 and 400 and SIKUS 630 distribution boards 3NY7 502 molded-plastic masking frame for two 3NP40 switch disconnectors for installation in SIKUS 3200, STB 160 and 400 and SIKUS 630 distribution boards & 5 -! > " $ $ " &! $ $ " 3NY7 600 touch protection cover for installation in LPH distribution boards for 3NP40 76 switch disconnectors 3NY7 601 touch protection cover for 3NP40 75 and 3NP40 76 switch disconnectors 2 38 NSE0_01605 195 38 142 NSE0_01604 194 112 32 73 5 Cable lug cover for 3NP40 7 with flat connector, 3NY7 101 112 73 123 Cable lug cover for 3NP42 to 3NP44, 3NY7 121, 3NY7 131, 3NY7 141 Type a b c 3NY7 121 181 65 67 3NY7 131 207 79 50 3NY7 141 253 94 47 Siemens LV 1 T 2008 /41

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 For extended technical requirements Dimensional drawings 3NP50 60, 160 for mounting 63 63 84 116 15 70 Ø5,8 3 97 196 34 165 31 97,5 NSE00226 3NP50 60, 160 with molded-plastic masking frame for any type of installation M8 22 36 36 134 19 228 uxiliary switch Type a b c d 3NY1 105 135 215 95.5 38 3NY1 115 135 215 95.5 38 3NY1 106 135 290 144.5 64 3NY1 108 135 290 144.5 64 3NY1 208 149 250 115 53.5 3NY1 107 molded-plastic masking frame 3NP50 60, 160 with fuse monitoring by 3RV1 motor starter protector, with plug-in connection For plastic frames Cut-out for 3NP50 60, with and without auxiliary switch Cut-out for 3NY1 208 mounting kit NSE00230 191 207,5 126,5 143 6 For metal frames Cutouts for 3NP5 Type Cover between installation kit Panel cut-out min. Molded-plastic masking frame behind panel Type B H B H h 1) 3NP50 6 3NY1 105 2) 135 215 130 206 115 3NP50 6 3NY1 125 3NP52 6 3NY1 210 222 300 210 293 146 3NP53 6 3NY1 211 245 300 235 293 146 3NP54 6 3NY1 212 290 300 280 293 146 Molded-plastic masking frame in front of panel Type B H B H h 1) 3NP50 6 3NY1 105 135 215 130 205 115 3NP50 6 3NY1 208 149 250 143 191 -- 3NP52 6 3NY1 210 220 300 210 262 132 3NP53 6 3NY1 211 245 300 234 262 132 3NP54 6 3NY1 212 290 300 279 262 132 1) h = distance from upper edge of panel cut-out to center of disconnector mounting. 2) With standard molded-plastic masking frame behind the control panel and corresponding control panel cut-out, the specified switching capacity is reduced to the following C 23B values: at 400 V I e 160, at 500 V from I e 160 to 125 and at 690 V from I e 100 to 50. /42 Siemens LV 1 T 2008

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 For extended technical requirements 3NP5. 60, 250 to 630 for mounting 3NP5. 60, 250 to 630 with fuse monitoring by 3RV motor starter protector, with plug-in connection ' " G 5 -! # >!! 3NP5. 60, 250 to 630 with molded-plastic masking frame, for installation B M K % $ &! 5 -!! > Cut-out for 3NP52 60, 3NP53 60 and 3NP54 60 Type a b c d e f g h I 3NP52 60 207 202 130 93 62 6 38 41 11.5 3NP53 60 231 226 130 106 70 192 39 39 11.5 3NP54 60 276 271 200 111 85 207 40.5 40.5 11.5 k 1) l 1) m n o q r s t 3NP52 60 M10 M8 336 25 32 212 3,6 156 210 3NP53 60 M10 M10 352 25 25 228 4,4 180 234 3NP54 60 M10 M10 367 30 25 243 6 225 279 u w x y 3NP52 60 89.5 220 186.5 200.5 3NP53 60 105.5 245 202.5 216.5 3NP54 60 120.5 290 2.5 231.5 1) Through hole for screw & & 3NP50 65, 160 with busbar adapter, rails of width 12 mm and thickness 5 mm or 10 mm 3NP50 65, 160 with busbar adapter, with fuse monitoring by 3RV motor starter protector, with plug-in connector 3NP5. 60, 160 to 630 with electronic fuse monitoring, with plug-in connection and control cable 3NP50 60, 160 with electronic fuse monitoring, with plug-in connection and control cable 3NP5. 60, 250 to 630 with electronic fuse monitoring, with plug-in connection and control cable Siemens LV 1 T 2008 /43

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NP Fuse Switch Disconnectors up to 630 For extended technical requirements Schematics Function for auxiliary contacts main contact elements with SENTRON 3NP4 and 3NP5 SENTRON 3NP fuse switch disconnector with fuse monitoring (with 3RV1 motor starter protector, with auxiliary switch 1 NO + 1 NC) Circuit diagram of main circuit!! 0 8 * 7 * Circuit diagram of auxiliary circuit!! #! 3 3 " 1 1 1 " $ " 5 - % # >.! * 9 0 Q1 = Fuse switch disconnector Q2 = Motor starter protector K1 = Contactor S1 = ON button S0 = OFF pushbutton F1 = Overload relay F2 = Control-circuit fuse SENTRON 3NP5 fuse switch disconnector with electronic fuse monitoring Schematic circuit diagram Version "" (open-circuit principle): auxiliary switches only pick up if fuse faulty and voltage is applied. Version "R" (closed-circuit principle): auxiliary contacts pick up as soon as voltage is applied and as long as fuses are intact. /44 Siemens LV 1 T 2008

3NP, 3NJ4, 3NJ5 Fuse Switch Disconnectors 3NJ4, 3NJ5 In-Line Fuse Switch Disconnectors up to 1250 General data Design Connections 3NJ41 21 3NJ41 31 3NJ41 41 3NJ41 23 3NJ41 33 3NJ41 43 L1 L2 L3 3NJ41 03 NSK-6473 L1 L2 L3 Terminal position 3NJ41 in-line fuse switch disconnectors SENTRON 3NJ in-line fuse switch disconnectors for mounting on 185 mm busbar systems. They are available in the following sizes and versions: Size 1 for 250, 1- or 3-pole switchable Size 2 for 400, 1- or 3-pole switchable Size 3 for 630, 1- or 3-pole switchable Size 4a for 1250, 1-pole switchable. The size 00 for 160, 3-pole switchable in-line fuse switch disconnectors are available for 100 mm busbar center-to-center clearance and only as a special version for 185 mm busbar center-to-center clearance. Instead of one size 1 to 3 in-line fuse switch disconnector, two size 00 disconnectors with an adapter and masking frame can be used (see ccessories) on a 185-mm busbar system. The swiveling mechanism with 3-pole switchable disconnectors of sizes 1 to 3 is lockable and ensures simultaneous switching of all three phases. For size 4 the following versions are available in addition to the standard version: a slim version (W H = 248 775 mm) a special version (W H = 147 1115 mm) (delivery possibilities on request). ll SENTRON 3NJ in-line fuse switch disconnectors are fed by way of the busbars. The outgoing current is transported by cable, see adjacent graphic "Terminal positions"). With SENTRON 3NJ41 in-line fuse switch disconnectors it is possible to choose between having the cable connection on top or on bottom (standard version) by turning the contact carrier. The upper part can be removed completely. This ensures easy mounting. Inspection holes For voltage testing, all SENTRON 3NJ in-line fuse switch disconnectors are fitted with voltage test apertures. Mounting position The SENTRON 3NJ in-line fuse switch disconnectors can be mounted vertically or horizontally. When mounted horizontally, however, system-specific reduction factors and the coincidence factor (DIN VDE 0660 Part 500 4.7) according to the applicable system regulations must be observed. Integration ssembly kits as well as TT modules and partly equipped sideby-side cabinets are available for installation in the SIKUS 3200 (8GG) modular distribution board system; see Chapter "SIVCON Power Distribution Boards, Busway and Cubicle Systems" --> "Components for Distribution Systems". Installation in SIKUS Universal (8GF) is also possible. Please inquire. Siemens LV 1 T 2008 /45