Load and Motor Switches, Load-Break Switches Series 8549
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- Amos Boone
- 5 years ago
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1 > Innovative switch concept > State-of-the-art contact arrangement > Easy and clear connection technology > Wiring channel for auxiliary contacts > Retrofittable: Pick-off terminal block Auxiliary contacts Ex i separation body N terminal PE terminal Adapter plate for cable connection > Isolating characteristics according to IEC/EN E00 The load and motor switch type 8549/1 is an explosion-protected electrical equipment in a flameproof enclosure. It is used for separation or activation of electrical circuits in hazardous areas of Zone 1, Zone 2 or in the safe area. The load and motor switch 8549/1 is available in versions 8549/1-3. (3-pole) and 8549/1-4. (3-pole + N), 8549A (6-pole) and 8549A (6-pole as change-over switch). The switches are actuated by means of an actuator which is connected to the switch by means of a selector shaft. Up to two specially certified contact elements of type 8080/1 can be mounted on the load and motor switch type 8549/1. The switching function of the contact elements is defined by the contact version and their position in the load and motor switch (left-hand: delayed (ON), leading (OFF); right-hand: synchronizing). Class I (NEC 505) (NEC 506) Class I Class II Class III Zone Zone Division For use in x x x x For use in x For use in x WebCode 8549A Components for System Solutions /1
2 Selection Table Version Schematic Ambient temperature Art. no. Weight 8549/1-3., 3-pole 8549/1-4., 3-pole + N 8549A , 6-pole (change-over switch) 8549A , 6-pole N 1 N E E E E C C (ATEX / IEC) C () kg C C (ATEX / IEC) C () C (ATEX / IEC) C () C C (ATEX / IEC) C () Explosion Protection Marking IECEx Europe (ATEX) NEC CEC Certificates IECEx Europa (ATEX) NEC / CEC Ex db eb IIC Gb Ex db eb I Mb E II 2 G Ex db eb IIC Gb E I M 2 Ex d b eb I Mb Class I, Zone 1, AEx d e IIC T5 Gb Class I, Division 2, Groups A, B, C, D T5 (US) Class I, Zone 1, Ex d e IIC T5 Gb Class I, Division 2 per CEC J (C) IECEx PTB U PTB 10 ATEX 1032 U Technical Data Electrical data Main contacts Rated insulation voltage voltage 800 V 690 V AC, 50 / 60 Hz 600 V AC max. 180 A max. 150 A /2 Components for System Solutions
3 Technical Data Switching capacity acc. to IEC/EN : AC-3 DC-23 DC V, 125 A 220 V, 180 A 3) 220 V, 180 A 3) 500 V, 150 A 120 V, 180 A 2) 120 V, 180 A 2) 400 V, 180 A 60 V, 180 A 1) 60 V, 180 A 1) 1) 1 flow path of 2) 2 flow paths of connected in series 3) 3 flow paths of connected in series Rated voltage up to AC-ratings DC-ratings 600 V 480 V 415 V 240 V 120 V 240 V 3) 125 V 2) 62.5 V 1) Motor switching capacity Motor switching capacity Rated up to 125 A 150 A 1) 1 flow path of 2) 2 flow paths of connected in series 3) 3 flow paths of connected in series 690 V / 125 A 500 V / 150 A 400 V / 180 A 240 V / 180 A 110 kw 90 kw 90 kw 55 kw Rated voltage up to AC-ratings DC-ratings 600 V 480 V 415 V 240 V 120 V 240 V 3) 125 V 2) 62.5V 1) Horse Power n/a Short Circuit 25 ka according to UL 489 Back-up Fuse-Class J (200 A according to UL ) 1 flow path of 2) 2 flow paths of connected in series 3) 3 flow paths of connected in series Service life Mechanical 10 5 switching cycles electrical switching cycles Max. short circuit protection 200 A at 690 V, tripping characteristic: gg according to IEC / EN A at 500 V, tripping characteristic: gg according to IEC / EN A, Fuse-Class J according to ANSI/UL Short-circuit strength 50 ka when protected by fuse I P (IEC / EN ) Suitable for use in a circuit capable of delivering not more than 25,000 rms of symmetrical short-circuit, when protected by Class J fuses, 200 A maximum. Type of assignment 2 (according to IEC / EN ) Rated short-time 2.7 ka (IEC / EN ) withstand Icw Max. power dissipation 13,6 W per path Auxiliary contacts Possible auxiliary contacts voltage max. 2 auxiliary contact blocks of type 8080/1 8080/1-1: slow-action contacts, 1 NC + 1 NO, (normally open contact opens > 20 ms before opening of the main contact) 8080/1-3: slow-action contacts, 2 NC 8080/1-4: slow-action contacts, 2 NO 250 V AC / DC 400 V AC, for equal potential of both contacts 500 V AC, when 1 NC + 1 NO and the same potential of both contact is used 250 V AC Components for System Solutions /3
4 Technical Data 6 A 10 A Short circuit protection 10 A, tripping characteristic: gg according to IEC / EN Schematic Main contacts 14143E E00 Auxiliary contacts mounted in left mounting slot 14144E00 mounted in right mounting slot 14825E E E E E E00 1) load-shedding contact (delayedon, advanced OFF, acc. to IEC/EN ) 14148E00 Ambient conditions Ambient temperature 8549/1-.1: C 8549/1-.2: C /4 Components for System Solutions
5 Technical Data Depending on the rated operational, cable cross section and the temperature class: 8549/1-3., 3-pole: Temperature class and ambient temperature Cable cross section T5 T4 T a ( 48 C T a ( 53 C 180 A ) 95 mm 2 T a ( 56 C T a ( 61 C 160 A T a ( 70 C T a ( 75 C 125 A T a ( 59 C T a ( 64 C 160 A ) 70 mm 2 T a ( 67 C T a ( 72 C 125 A T a ( 63 C T a ( 68 C 125 A ) 50 mm /1-4., 3-pole + N: Temperature class and ambient temperature T5 T4 Cable cross section T a ( 43 C T a ( 48 C 180 A ) 95 mm 2 T a ( 52 C T a ( 57 C 160 A T a ( 69 C T a ( 74 C 125 A T a ( 46 C T a ( 51 C 160 A ) 70 mm 2 T a ( 64 C T a ( 69 C 125 A T a ( 60 C T a ( 65 C 125 A ) 50 mm 2 T5 (Ta = - 50 C up to + 40 C) Temperature class and ambient temperature T6 T5 T4 Rated operational Cable cross section Mechanical data Degree of protection Material Switching chamber Upper enclosure parts Contacts Switching torque N/A T a ( 40 C N/A 150 A / 125 A ) AWG4/0 IP20 (IEC/EN 60529, finger touch-safe from the top) epoxy resin PA silver stannic oxide approx. 3.5 Nm Components for System Solutions /5
6 Technical Data Main contacts Connection cross-section Main terminals Pick-off terminal block / NEC / CEC Rated operational voltage Rated operational Conductor connection: stranded: finely stranded: one conductor, finely stranded with cable lug: *) Only conductors with the samecross-section are allowed! **) Conductors with different cross-sections are allowed! For cross-sections < 70 mm 2, the degree of protection IP2X is not required! Conductor connection: one conductor, finely stranded: 600 V 57 A mm 2 (AWG kcmil) mm 2 (AWG 1/ kcmil) mm 2 (AWG AWG 2) with insertion prism max. 150 mm 2 (max. 300 kcmil) The degree of protection IP2X is not required! Connection using several conductors (only permitted for ): stranded: 2 x 25 mm x 50 mm 2 (2 x AWG x AWG 1/0) *) finely stranded: 2 x 35 mm x 50 mm 2 (2 x AWG x AWG 1/0) *) finely stranded with end covering sleeve: 2 x 25 mm x 50 mm 2 (2 x AWG x AWG 1/0) *) with cable lug: max. 2 x 150 mm 2 (max. 2 x AWG 300 kcmil) **) 0, mm 2 (AWG AWG 8) with clamping plate and insertion prism with clamping plate and insertion prism If several conductors must be connected (only conductors with the same cross-section): one conductor, max. 2 x 6 mm 2 (max. 2 x AWG 10) finely stranded: Auxiliary contacts Connection crosssection mm 2 (AWG AWG 14), solid, finely stranded AWG AWG 12 Mounting / Installation Mounting orientation arbitrary /6 Components for System Solutions
7 Accessories and Spare Parts Designation Figure Description Art. no. Weight kg Selector shaft 42 mm for 8146/...3 or 8125/ mm for 8146/...5 or 8125/ E00 Auxiliary contact 2 NC contacts (8080/1-3) 2) Designation labels 12446E00 1 NC contact + 1 NO contact (8080/1-1) 1) NO contacts (8080/1-4) 2) The switching function of the auxiliary contact depends on the installation slot used. 1) Left: delayed (ON), leading (OFF); Right: synchronising 2) Left and right: synchronising qr: qr: E00 qr: qr: qr: 5 qr: qr: N Pick-off terminal block qr: PE AGK 10-UKH E00 Connection for cable lug Mounting kit for the connection of conductors with cable lug E00 Insertion prism for connection of conductors with cross-sections ( 10 mm 2 (conductor connection) or ( 6 mm 2 (connection of several conductors) to the main terminals Ex i separation body to ensure the required distance of 50 mm between the connection points of intrinsically safe and non-intrinsically safe circuits E00 PE/N terminal for subsequent assembly E00 Components for System Solutions /7
8 Accessories and Spare Parts Designation Figure Description Art. no. Weight Parallel drive to actuate simultaneously 2 combined, 3-pole load and motor switches kg Auxiliary contact key 12453E00 for removing the mounted auxiliary contact E00 Knob lever d 180 mm padlockable in 0 position using max. 3 padlocks. Cover removable 0/OFF Handle: black Protective collar: black 8604C E00 Designation label: 0/OFF - I/ON Handle: red Protective collar: yellow 8604C Designation label: 0/OFF - I/ON d 180 mm Can be padlocked in 0 position using max. 3 padlocks for safety switch Cover can only be removed in I/ON position! Handle: black Protective collar: black 8604/C Designation label: 0/OFF - I/ON 12454E00 Handle: red Protective collar: yellow 8604C Designation label: 0/OFF - I/ON /8 Components for System Solutions
9 Dimensional drawings (all dimensions in mm) - subject to alterations A 123,20 [4,85] 95,47 [3,76] A 123,20 [4,85] 95,47 [3,76] 5,50 [0,22] 206 [8,11] 182 [7,17] SW 8 [SW 0,32] 5,50 [0,22] 182 [7,17] 206 [8,11] 73,50 [2,89] 147 [5,79] 56 [2,20] 5 [0,20] 196 [7,72] SW 8 [SW 0,32] 5 [0,20] 28 [1,10] 105 [4,13] 14237E /1, 3-pole 8549/1, 3-pole + N 14238E00 Components for System Solutions /9
10 Dimensional drawings (all dimensions in mm) - subject to alterations A 123,20 [4,85] 95,47 [3,76] 206 [8,11] 5,50 [0,22] 182 [7,17] 245 [9,65] 5 [0,20] SW 8 [SW 0,32] 122,50 [4,82] 77 [3,03] 154 [6,06] 182,20 [7,17] 123,20 [4,85] 95,47 [3,76] 5,50 [0,22] 182 [7,17] 206 [8,11] 101,50 [4,00] 45,50 [1,79] 147 [5,79] SW 8 [SW 0,32] 91 [3,58] 203 [7 99] 14239E [11,58] 8549/1, 3-pole + N + PE 8549A , 6-pole (change-over switch) 8549A , 6-pole (change-over switch) 17078E00 Dimension "A" Mounting kit Selector shaft Installation in enclosure mm 8549A mm 8146/...5 and 8125/ mm 8549A mm 8146/...3 and 8125/...3 We reserve the right to make alterations to the technical data, dimensions, weights, designs and products available without notice. The illustrations cannot be considered binding. /10 Components for System Solutions
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