ACW Molded-Case Circuit Breaker UL 489 Listed
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1 Motors Automation Energy Transmission & Distribution Coatings AC Molded-Case Circuit Breaker UL 489 Listed USA AC
2 Overview Introducing the EG AC Series of Molded Case Circuit Breakers now available with UL489 certification. Available in four different compact frames, the New AC Series will assure top performance for both thermal and short-circuit protection from 15 to 800Amps. The AC series is also available in two levels of short-circuit interrupting capacity for standard industrial and commercial standard applications and for high-performance applications. Common plug-in accessories simplify field installation and minimize inventory variations on distributors shelves. AC125 AC250 AC400 AC800 UL interrupting rating (ka) MCCB AC125 AC250 AC400 AC V V V V Current ratings Reference Rated Current In (A) AC125 15, 20, 30, 40, 50, 60, 80, 100, 125 AC , , AC , AC , , Certifications: ASK-4EG Data is subject to change without notice.
3 Trip units FTU - Fixed thermal and fixed magnetic Trip type Ratings 40 o C Number of poles Applicable to AC125, 250, 400, and 800 frames FTU Fixed thermal A rated current Fixed magnetic A trip current t Short-circuit trip current, Im 0 Ir Im FMU - Adjustable thermal and fixed magnetic Trip type Ratings 40 o C Number of poles Short-circuit trip current, Im Applicable to AC125, 250, 400, and 800 frames FMU Adjustable thermal A rated current Adjustable: 0.8, 0.9, 1xIn Fixed magnetic A trip current Overload current setpoint, Ir ATU - Adjustable thermal and adjustable magnetic Trip type Ratings 40 o C Number of poles Short-circuit current setpoint, Im Applicable to AC125, 250, 400, and 800 frames ATU Adjustable thermal A rated current Adjustable: 0.8, 0.9, 1xIn Adjustable magnetic A trip current Adjustable: 5, 6, 7, 8, 9, 10xIn Overload current setpoint, Ir Note: EG is committed to maintain stock for immediate delivery of the following trip units: FTU AC125 and AC125 FMU AC250, AC250, AC400, AC400, AC800, AC800 lease contact your EG representative office for availability of other trip units. Data is subject to change without notice ASK-4EG 3
4 Selection guide Trip unit Fixed thermal and fixed magnetic Adjustable thermal and fixed magnetic Adjustable thermal and adjustable magnetic Code FTU FMU ATU Rated current In Code 15A 15 20A 20 30A 30 40A 40 50A 50 60A 60 80A A A A A A A A A A A A 800 A C F T U Frame Code 125 AC AC AC AC800 ka 460VAC Code Number of poles Code ASK-4EG Data is subject to change without notice.
5 MCCB for power distribution - standard interrupting capacity AC125 - FTU trip unit Fixed thermal and fixed magnetic Thermal Setting Magnetic Setting Short-Circuit interrupting capacity Multiplier Catalog Number List rice [A] [A] 480VAC 600VAC Symbol AC125-FTU15-3 $ Z AC125-FTU20-3 $ Z AC125-FTU30-3 $ Z AC125-FTU40-3 $ Z kA 10kA AC125-FTU50-3 $ Z AC125-FTU60-3 $ Z AC125-FTU80-3 $ Z AC125-FTU100-3 $ Z AC125-FTU125-3 $1, Z10 Note: iring terminal (lugs) not included. Lugs are available as accessory at page 12. AC250 - FMU trip unit Adjustable thermal and fixed magnetic Thermal Setting Magnetic Setting Short-Circuit interrupting capacity Multiplier Catalog Number List rice [A] [A] 480VAC 600VAC Symbol AC250-FMU160-3 $1, Z kA 10kA AC250-FMU200-3 $1, Z AC250-FMU250-3 $1, Z10 Note: iring terminal (lugs) not included. Lugs are available as accessory at page 12. AC400 - FMU trip unit Adjustable thermal and fixed magnetic Thermal Setting Magnetic Setting Short-Circuit interrupting capacity Multiplier Catalog Number List rice [A] [A] 480VAC 600VAC Symbol AC400-FMU300-3 $2, Z10 35kA 14kA AC400-FMU400-3 $2, Z10 AC800 - FMU trip unit Adjustable thermal and fixed magnetic Thermal Setting Magnetic Setting Short-Circuit interrupting capacity Multiplier Catalog Number List rice [A] [A] 480VAC 600VAC Symbol AC800-FMU500-3 $4, Z kA 18kA AC800-FMU600-3 $4, Z AC800-FMU800-3 $5, Z10 Note: EG is committed to maintain stock for immediate delivery of the following trip units: FTU AC125 and AC125 FMU AC250, AC250, AC400, AC400, AC800, AC800 lease contact your EG representative offce for availability of other trip units. Data is subject to change without notice ASK-4EG 5
6 MCCB for power distribution - high interrupting capacity AC125 - FTU trip unit Fixed thermal and fixed magnetic Thermal Setting Magnetic Setting Short-Circuit interrupting capacity [A] [A] 480VAC 600VAC Catalog Number List rice Multiplier Symbol AC125-FTU15-3 $ Z AC125-FTU20-3 $ Z AC125-FTU30-3 $ Z AC125-FTU40-3 $ Z kA 14kA AC125-FTU50-3 $ Z AC125-FTU60-3 $ Z AC125-FTU80-3 $1, Z AC125-FTU100-3 $1, Z AC125-FTU125-3 $2, Z10 Note: iring terminal (lugs) not included. Lugs are available as accessory at page 12. AC250 - FMU trip unit Adjustable thermal and fixed magnetic Thermal Setting Magnetic Setting Short-Circuit interrupting capacity [A] [A] 480VAC 600VAC Catalog Number List rice Multiplier Symbol AC250-FMU160-3 $2, Z kA 18kA AC250-FMU200-3 $2, Z AC250-FMU250-3 $2, Z10 Note: iring terminal (lugs) not included. Lugs are available as accessory at page 12. AC400 - FMU trip unit Adjustable thermal and fixed magnetic Thermal Setting Magnetic Setting Short-Circuit interrupting capacity Catalog Number List rice Multiplier Symbol [A] [A] 480VAC 600VAC AC400-FMU300-3 $4, Z10 65kA 20kA AC400-FMU400-3 $4, Z10 AC800 - FMU trip unit Adjustable thermal and fixed magnetic Thermal Setting Magnetic Setting Short-Circuit interrupting capacity [A] [A] 480VAC 600VAC Catalog Number List rice Multiplier Symbol AC800-FMU500-3 $6, Z kA 25kA AC800-FMU600-3 $6, Z AC800-FMU800-3 $7, Z10 Note: EG is committed to maintain stock for immediate delivery of the following trip units: FTU AC125 and AC125 FMU AC250, AC250, AC400, AC400, AC800, AC800 lease contact your EG representative offce for availability of other trip units ASK-4EG Data is subject to change without notice.
7 Internal accessories Auxiliary contact The auxiliary contact block contains one set of form C contacts. This contact indicates remote circuit-breaker status ON and OFF. AC ON OFF TRI Auxiliary contact AXc1 AXa1 AXb1 AXc1 AXa1 AXb1 Suitable for Catalog Number List rice Multiplier Symbol AC AX AC $ Z10 Alarm contact Alarm contact offers provisions for audio and visual indication of a tripped breaker due to overload, short-circuit, shunt trip or under voltage release conditions. The contact opens when the circuit breaker is reset. AC ON OFF TRI Alarm contact ALc1 Ala1 ALb1 ALc1 Ala1 ALb1 Suitable for Catalog Number List rice Multiplier Symbol AC AL AC $ Z10 Shunt release The shunt release opens the breaker in response to an externally voltage signal. Range of operational voltage: xUn Frequency: 45 65Hz Suitable for Rated voltage Catalog Number List rice Multiplier Symbol 12VDC SHT C02 AC $ Z10 24VAC/DC SHT E26 AC $ Z10 AC VAC/DC SHT E27 AC $ Z VAC/DC SHT E10 AC $ Z VAC/250VDC SHT E14 AC $ Z VAC SHT E52 AC $ Z10 Data is subject to change without notice ASK-4EG 7
8 Internal accessories Under voltage release The under voltage release automatically opens a circuit breaker when voltage drops to a value ranging between 35% to 70% of the line voltage. The operation is instantaneous, and after tripping, the circuit breaker cannot be reset until the voltage returns to 85% of line voltage. Range of voltage trip: xUn MCCB reset voltage: 0.85xUn (exceed) Frequency: 45 65Hz Suitable for Rated voltage Catalog Number List rice Multiplier Symbol 24VAC/DC UVT E26 AC $ Z10 48VAC/DC UVT E27 AC $ Z10 AC VAC/DC UVT E10 AC $ Z VAC/250VDC UVT E14 AC $ Z VAC UVT E53 AC $ Z VAC UVT E54 AC $ Z10 hase (side) Accessory AC125 AC250 AC400 AC800 AX R (left) AL SHT or UVT T (right) AX AL ossible configuration of internal accessories AC125 AC250 AC400 AC800 AL SHT/UVT AX AX AX AL AX AX AX AX AL AX AX AX ALAL SHT/UVT SHT/UVT SHT/UVT ASK-4EG Data is subject to change without notice.
9 External accessories Rotary handle The through-the-door rotary handle operating mechanism is available in NEMA 3(R), 12 and 4X versions. Units are offered either complete (rotary handle + operating mechanism + shaft 12 ) or as seperate components (different shaft sizes sold separately). Lockable in OFF position. Suitable for Catalog Number List rice Multiplier Symbol Rotary handle + mechanism + shaft 12 (UL Type 1, 3(R), 12) AC125 EHU 12 AC 125 $ Z10 AC250 EHU 12 AC 250 $ Z10 AC400 EHU 12 AC 400 $ Z10 AC800 EHU 12 AC 800 $ Z10 Rotary handle + mechanism + shaft 12 (UL Type 4X) AC125 EHX 12 AC 125 $ Z10 AC250 EHX 12 AC 250 $ Z10 AC400 EHX 12 AC 400 $ Z10 AC800 EHX 12 AC 800 $ Z10 Suitable for Catalog Number List rice Multiplier Symbol Rotary handle + mechanism (without shaft) (UL Type 1, 3(R), 12) AC125 EHU AC 125 $ Z10 AC250 EHU AC 250 $ Z10 AC400 EHU AC 400 $ Z10 AC800 EHU AC 800 $ Z10 Rotary handle + mechanism (without shaft) (UL Type 4X) AC125 EHX AC 125 $ Z10 AC250 EHX AC 250 $ Z10 AC400 EHX AC 400 $ Z10 AC800 EHX AC 800 $ Z10 16 shaft for rotary handle AC ES 16 AC $53.00 Z10 24 shaft for rotary handle AC ES 24 AC $71.00 Z10 Data is subject to change without notice ASK-4EG 9
10 External accessories The flange disconnect handle is available in NEMA 3(R), 12 and 4X versions. Flexible cables are available in four different sizes (36, 48, 60, 72 ) and are ordered separately. Lockable in OFF position. Suitable for Catalog Number List rice Multiplier Symbol Flange handle + mechanism (without flexible cable) (UL Type 1, 3(R), 12) AC125 FHU AC 125 $ Z10 AC250 FHU AC 250 $ Z10 AC400 FHU AC 400 $ Z10 AC800 FHU AC 800 $ Z10 Flange handle + mechanism (without flexible cable) (UL Type 4X) AC125 FHX AC 125 $ Z10 AC250 FHX AC 250 $ Z10 AC400 FHX AC 400 $ Z10 AC800 FHX AC 800 $ Z10 Suitable for Catalog Number List rice Multiplier Symbol Flexible cable Cable 36 AC FC 36 AC $ Z10 AC FC 36 AC $ Z10 Cable 48 AC FC 48 AC $ Z10 AC FC 48 AC $ Z10 Cable 60 AC FC 60 AC $ Z10 AC FC 60 AC $ Z10 Cable 72 AC FC 72 AC $ Z10 AC FC 72 AC $ Z ASK-4EG Data is subject to change without notice.
11 External accessories ad lock The pad lock allows the handle to be locked in the OFF position. Maximum three padlocks with shackle diameters ranging from 0.2 to 0.3in (5 to 8mm) may be used. (adlocks are not supplied) Locking in the OFF position guarantee isolation required per UL 489. Suitable for Catalog Number List rice Multiplier Symbol AC125 L AC 125 $59.00 Z10 AC250 L AC 250 $65.00 Z10 AC400 L AC 400 $78.00 Z10 AC800 L AC 800 $90.00 Z10 Handle lock The handle lock allows the handle to be locked in the ON and OFF positions. Maximum three padlocks with shackle diameters ranging from 0.2 to 0.3inch (5 to 8mm) may be used. (adlocks are not supplied) Suitable for Catalog Number List rice Multiplier Symbol AC125 HL AC 125 $95.00 Z10 AC250 HL AC 250 $ Z10 AC400 HL AC 400 $ Z10 AC800 HL AC 800 $ Z10 Data is subject to change without notice ASK-4EG 11
12 External accessories Mechanical interlock The mechanical interlock can be applied on the front of two breakers mounted side by side and prevents simultaneous closing of the two breakers. Interlock is assembled directly to the front cover of the breakers. The interlocking plate allows installation of a padlock to maintain the position. The operator can lock out either one or both breakers in the OFF position. (adlocks are not supplied) Suitable for Catalog Number List rice Multiplier Symbol AC125 MIT AC 125 $ Z10 AC250 MIT AC 250 $ Z10 AC400 MIT AC 400 $ Z10 AC800 MIT AC 800 $ Z10 Locked in OFF position Locked in OFF position iring terminal (Lugs) Line and Load terminals provide the means for connecting the circuit breaker to the power source and the load. Each breaker accepts up to 6 lugs (a set of 3 units for the line terminals and another set of 3 units for the load terminals); Each lug is suitable for either line or load terminals. Suitable for Catalog Number List rice Multiplier Symbol Set with 3 pieces AC125 L1 3 AC 125 $48.00 Z10 AC250 L2 3 AC 250 $81.00 Z10 Set with 15 pieces AC125 L1 15 AC 125 $ Z10 AC250 L2 15 AC 250 $ Z ASK-4EG Data is subject to change without notice.
13 Technical Data Models AC125 AC250 Frame size Rated current 40ºC A 15, 20, 30, 40, 50, 60, 80, 100, , 160, 175, 200, 225, 250 No. of poles 3 3 Rated operational voltage - Ue VAC UL interrupting rating - Icu ka 120VAC VAC VAC VAC Reference standard UL 489 UL 489 Trip unit (Thermal-magnetic) Fixed thermal, fixed magnetic FTU Yes Yes Adjustable thermal, fixed magnetic FMU Yes Yes Adjustable thermal, adjustable magnetic ATU No Yes Accessories Auxiliary contact (AX) Yes Yes Alarm contact (AL) Yes Yes Shunt release (SHT) Yes Yes Under voltage (UVT) Yes Yes Rotary handle Yes Yes Flange handle Yes Yes Locking devices (pad and handle lock) Yes Yes Mechanical interlock block Yes Yes iring terminals Yes Yes Mechanical life operations 4,000 4,000 Electrical 600VAC operations 4,000 4,000 eight Lbs/kg 2.65/ /1.2 Dimensions (width x height x depth) in/mm 3.54x6.46x3.39/90x164x x7.01x3.39/105x178x86 Data is subject to change without notice ASK-4EG 13
14 Models AC400 AC800 Frame size Rated current 40ºC A 300, 350, , 600, 700, 800 No. of poles 3 3 Rated operational voltage - Ue VAC UL interrupting rating - Icu 120VAC VAC VAC VAC Reference standard UL 489 UL 489 Trip unit (Thermal-magnetic) Fixed thermal, fixed magnetic FTU Yes Yes Adjustable thermal, fixed magnetic FMU Yes Yes Adjustable thermal, adjustable magnetic ATU Yes Yes Accessories Auxiliary contact (AX) Yes Yes Alarm contact (AL) Yes Yes Shunt release (SHT) Yes Yes Under voltage (UVT) Yes Yes Rotary handle Yes Yes Flange handle Yes Yes Locking devices (pad and handle lock) Yes Yes Mechanical interlock block Yes Yes iring terminals Standard Standard Mechanical life operations 5,000 3,000 Electrical 600VAC operations 1, eight Lbs/kg 12.57/ /13.6 Dimensions (width x height x depth) in/mm 5.51x11.50x4.33/140x292x x16.85x5.31/210x428x135 Auxiliary Contact (AX) & Alarm Contact (AL) Conventional thermal current (Ith) 5A [V] Resistive Load Inductive Load Rated operational current (Ie) 120Vac /60Hz 240Vac Vac Terminal tigheting torque [lb.in (N/m)] 7 (0.8) Shunt Release [V] Consumption [VA] [ma] 24Vac ower consumption 48Vac Vac Vac Vac Maximum opening time [msec] 50 Terminal tigheting torque [lb.in (N/m)] 7 (0.8) Undervoltage Release Drop-out voltage [% of Vn] x Vn Reset voltage [% of Vn] 0.85 x Vn [V] Consumption [VA] [ma] 24Vac ower consumption 48Vac Vac Vac Vac Maximum opening time [msec] 50 Terminal tigheting torque [lb.in (N/m)] 7 (0.8) ASK-4EG Data is subject to change without notice.
15 Screw and connection AC125 AC250 AC400 AC800 Screw for mounting 4EA (NO.8-32 UNC-2A, L100) 4EA (NO UNC-2A, L120) 4EA (1/4-20 UNC2A, L140) Screw for connection of terminals 6EA(M5 L16) 6EA(M8 L20) N.A. N.A. Torque: Max 78kgf cm 67.7lbf in Torque: Max 197kgf cm 170lbf in N.A. N.A. Note: AC400 and AC800 are supplied with lugs. Terminal (mm) Conductor (mm) AC125 M5x16 22 Max 78kgf cm >8 >8 AC250 M8x Max 147kgf cm Note: AC400 and AC800 are supplied with lugs. Data is subject to change without notice ASK-4EG 15
16 Terminal size acceptability and terminal torque ire Range Frame Type "Conductor "Number of Tightening Torque Cross-section" Conductors" [lb.in.] AC AG /0 AG AG AC250 1/0-2/0 AG /0-4/0 AG kcmil 1 Tightening Torque kcmil AC kcmil /0 AG up to AC800 (500 and 600A) kcmil up to AC800 (800A) kcmil up to kcmil up to Temperature derating A derating of the rated operational current for AC series is necessary if the ambient temperature is greater than 40 o C (+104 o F), because the overload-protection characteristics are slightly modified. MCCB AC125 AC250 AC400 AC800 Rating (A) Fixed MCCB (thermal-magnetic trip unit) 50 F 68 F 86 F 104 F 122 F 140 F 158 F 176 F 10 C 20 C 30 C 40 C 50 C 60 C 70 C 80 C ASK-4EG Data is subject to change without notice.
17 Cascading protection This is an economical approach to the use of circuit protective devices, whereby only the main (upstream) breaker has adequate interrupting capacity for the maximum available fault current. Downstream circuit breakers cannot handle this maximum fault current and rely on the opening of the upstream breaker for protection. The advantage of this approach is that it facilitates the use of downstream low cost, low fault level breakers, thereby offering savings in both the cost and size of equipment. These ratings, however, are applicable only when the seriesconnected devices have been investigated by UL in combination with the end-use equipment and the equipment in which these devices are used is marked with the series-connected rating. ower supply 240V Main breaker AC125 AC125 AC250 AC250 Branch breaker Rated breaking capacity (karms) AC AC AC AC AC AC AC AC Main breaker AC400 AC400 AC800 AC800 Branch breaker Rated breaking capacity (karms) AC AC AC AC AC AC AC AC ower supply 480V Main breaker AC125 AC125 AC250 AC250 Branch breaker Rated breaking capacity (karms) AC AC AC AC AC AC AC AC Main breaker AC400 AC400 AC800 AC800 Branch breaker Rated breaking capacity (karms) AC AC AC AC AC AC AC AC Data is subject to change without notice ASK-4EG 17
18 Cascading protection ower supply 600V Main breaker AC125 AC125 AC250 AC250 Branch breaker Rated breaking capacity (karms) AC AC AC AC AC AC AC AC Main breaker AC400 AC400 AC800 AC800 Branch breaker Rated breaking capacity (karms) AC AC AC AC AC AC AC AC ASK-4EG Data is subject to change without notice.
19 Selectivity (Coordination tables) Definition of selectivity is given by the IEC "Trip selectivity is the coordination between the operating characteristics of two or more overcurrent protection devices, so that when an overcurrent within established limits occurs, the device intended to operate within those limits trips whereas the others do not trip". The definitions of total selectivity and partial selectivity are, on the other hand, given in art 2 of the same Standard IEC "Low voltage Equipment - art 2: Circuit-breakers" "Total selectivity" Overcurrent selectivity where, in the presence of two protection devices against overcurrent in series, the load-side protection device carries out the protection without making the other device trip." "artial selectivity" Overcurrent selectivity where, in the presence of two protection devices against overcurrent in series, the load-side protection device carries out the protection up to a given level of overcurrent, without making the other device trip." Selection of proper protection system is fundamental to guarantee correct economical and functional service of the whole installation and to reduce the problems caused by abnormal service conditions or actual faults to a minimum. Branch breaker AC AC Main breaker AC125/ AC250/ Rating (A) Trip units Thermal magnetic Trip units Thermal magnetic kA 0.5kA 0.5kA 0.63kA 0.8kA 2kA 2kA 2kA T T T kA 0.5kA 0.63kA 0.8kA 2kA 2kA 2kA T T T kA 0.63kA 0.8kA 2kA 2kA 2kA T T T kA 0.8kA 2kA 2kA 2kA T T T kA 0.8kA 2kA 2kA 2kA T T T kA 2kA 2kA 2kA T T T kA 2kA 2kA T T T kA 1.6kA T T T kA 1.25kA 4kA 4kA Trip units thermal magnetic Trip units thermal magnetic kA 0.5kA 0.5kA 0.63kA 0.8kA 2kA T T T T T kA 0.5kA 0.63kA 0.8kA 2kA T T T T T kA 0.63kA 0.8kA 2kA 50kA 50kA 50kA 50kA 50kA kA 0.8kA 2kA 50kA 50kA 50kA 50kA 50kA kA 0.8kA 2kA 50kA 50kA 50kA 50kA 50kA kA 2kA 50kA 50kA 50kA 50kA 50kA 80 50kA 50kA 50kA 50kA 50kA kA 50kA 50kA 50kA 50kA kA 1.25kA 1.25kA 4kA 4kA kA Note: T means Total Selectivity. Example The following two circuit-breakers are considered: - Main breaker AC (Icu = 65kA) - Branch breaker AC (Icu = 65kA) Extracting the data from the table above, it can be seen that there is total selectivity (T) between these circuit-breakers. In other words, there is selectivity up to 65kA (the lower of the two values). Now the following two circuit-breakers are considered: - Main breaker AC (Icu = 65kA) - Branch breaker AC (Icu = 65kA) Extracting the data from the table above, it can be seen that the selectivity value is 50kA between the two circuit-breakers. This means that, if the maximum prospective short-circuit current on the load-side of the AC circuit-breaker is less than 50kA, there will be total selectivity, whereas if the short-circuit current has a higher value, there will be partial selectivity (non-tripping of the supply-side circuit-breaker is not guaranteed). Data is subject to change without notice ASK-4EG 19
20 Trip curves AC125 FTU & FMU (15 125A) Second Operating time Minute X Rated Current In (I/Ir) ASK-4EG Data is subject to change without notice.
21 Trip curves AC250 FTU & FMU ( A) Operating time Second Minute X Rated Current In (I/Ir) Data is subject to change without notice ASK-4EG 21
22 Trip curves AC250 ATU ( A) Second Operating time Minute X Rated Current In (I/Ir) ASK-4EG Data is subject to change without notice.
23 Trip curves AC400 FTU & FMU ( A) Second Operating time Minute X Rated Current In (I/Ir) Data is subject to change without notice ASK-4EG 23
24 Trip curves AC400 ATU ( A) Second Operating time Minute X Rated Current In (I/Ir) ASK-4EG Data is subject to change without notice.
25 Trip curves AC800 FTU & FMU A) Second Operating time Minute X Rated Current In (I/Ir) Data is subject to change without notice ASK-4EG 25
26 Trip curves AC800 ATU ( A) Second Operating time Minute X Rated Current In (I/Ir) ASK-4EG Data is subject to change without notice.
27 Characteristics curves - Current limiting The following curves show circuit breaker current-limiting characteristics. The rms of the prospective symmetrical short-circuit current is indicated on the abscissa of the diagram, whereas the peak short-circuit current value is indicated on the ordinates. The current-limiting effect can be visualized by comparing, at the same symmetrical short-circuit current value, the corresponding peak value at the prospective short-circuit current with the limited peak value. In correspondence to a short-circuit of 40kA@480V, the AC125 circuit breaker would limit the peak value to approximately 16kA@480V. Current-limiting 240V AC800 AC400 AC250 AC125 Data is subject to change without notice ASK-4EG 27
28 Characteristics curves - Current limiting Current-limiting 480V Maximum peak let-through current (ka) AC800 AC400 AC250 AC125 Available short circuit current (karms) ASK-4EG Data is subject to change without notice.
29 Characteristics curves - Current limiting Current-limiting AC800 AC400 AC250 AC125 Data is subject to change without notice ASK-4EG 29
30 Characteristics curves - Let-through energy The prospective symmetrical short-circuit current is indicated on the abscissa of the diagram, whereas the ordinates show the specific let through energy values expressed in A 2 s. In correspondence to a short-circuit of 65kA@480V, the AC125 circuit breaker lets through a value of I 2 t approximately to 400kA 2 s. Let-through energy AC800 AC400 Maximum let-through l²t (A²s) AC250 AC125 Available short circuit current (karms) ASK-4EG Data is subject to change without notice.
31 Characteristics curves - Let-through energy Let-through energy 480V AC800 AC400 AC250 Maximum let-through l²t (A²s) AC125 Data is subject to change without notice ASK-4EG 31
32 Characteristics curves - Let-through energy Let-through energy 600V AC800 AC400 AC250 AC ASK-4EG Data is subject to change without notice.
33 Dimensions - inch (mm) AC125 Drilling template Front view cut-out AC250 Drilling template Front view cut-out Data is subject to change without notice ASK-4EG 33
34 Dimensions - inch (mm) AC400 Drilling template Front view cut-out AC800 Drilling template Front view cut-out ASK-4EG Data is subject to change without notice.
35 Dimensions - inch (mm) Extended rotary handle - AC (368.3) 14.5(368.3) - 12 shaft 18.5(470) - 16 shaft 26.5(673.1) - 24 shaft anel drilling ay of installation Data is subject to change without notice ASK-4EG 35
36 Dimensions - inch (mm) Extended rotary handle - AC (369.3) (369.3) -12 shaft (471) - 16 shaft (674.1) - 24 shaft anel drilling ay of installation ASK-4EG Data is subject to change without notice.
37 Dimensions - inch (mm) Extended rotary handle - AC (404.6) -12 shaft (506) - 16 shaft (709.4) -24 shaft anel drilling ay of installation Data is subject to change without notice ASK-4EG 37
38 Dimensions - inch (mm) Extended rotary handle - AC (442.5) - 12 shaft (541.2) - 16 shaft (747.32) - 24 shaft anel drilling ay of installation ASK-4EG Data is subject to change without notice.
39 Dimensions - inch (mm) Flange Handle AC125 anel drilling ay of installation Table 1 Enclosure Depth Maximum "E" Dimension 60 cable 72 cable Table 2 Enclosure Depth Maximum "F" Dimension 60 cable 72 cable Up Down Up Down Data is subject to change without notice ASK-4EG 39
40 Dimensions - inch (mm) Flange Handle AC250 anel drilling ay of installation Table 1 Enclosure Depth Maximum "E" Dimension 60 cable 72 cable Table 2 Enclosure Depth Maximum "F" Dimension 60 cable 72 cable Up Down Up Down ASK-4EG Data is subject to change without notice.
41 Dimensions - inch (mm) Flange Handle AC400 anel drilling ay of installation Table 1 Enclosure Depth Maximum "E" Dimension 60 cable 72 cable Table 2 Enclosure Depth Maximum "F" Dimension 60 cable 72 cable Up Down Up Down Data is subject to change without notice ASK-4EG 41
42 Dimensions - inch (mm) Flange Handle AC800 anel drilling ay of installation Table 1 Enclosure Depth Maximum "E" Dimension 60 cable 72 cable Table 2 Enclosure Depth Maximum "F" Dimension 60 cable 72 cable Up Down Up Down ASK-4EG Data is subject to change without notice.
43 Dimensions - inch (mm) Mechanical interlocking device - MIT A (inch) B (inch) AC AC AC AC Mechanical interlocking device - Mounting dimension for MIT 3 ole MCCB C(inch) D(inch) E(inch) AC AC AC AC Data is subject to change without notice ASK-4EG 43
44 EG Electric Corp. offers the following products, and more! ith a full range of IEC/NEMA Global Certifications and a full line of products, EG can supply the right solution for your needs anywhere in the world. To learn more about EG s products and solutions or to locate a Distributor near you, please call ASK-4EG or visit Low Voltage Motors, Single and 3-hase, 1/8 700H General urpose Motors Explosion roof Motors Crusher Duty Motors IEC Tru-Metric Motors ump Motors including J/JM -Base ump Motors Oil ell umping Motors ool & Spa Motors Brake Motors Compressor Duty Motors Farm Duty Motors oultry Fan Motors Auger Drive Motors IEEE 841 Motors Stainless Steel ash Down Motors Saw Arbor Motors Cooling Tower Motors Commercial HVAC Motors ad Mounted Motors Vector Duty Motors Large Electric Motors Low Voltage 3-phase motors up to 2,500H Motors up to 70,000H and 13,200V ound Rotor Systems (including starters) up to 70,000H and 13,200V Synchronous Motors up to 70,000H and 13,200V Explosion proof motors (Ex-d) up to 1,500k and 11kV Ex-n, Ex-e, Ex-p motors Variable Frequency Drives Low Voltage 1/4 to 2500H, 230V 480V Medium Voltage H Multi-pump systems NEMA 4X Dynamic braking resistors Line and load reactors lug and play technology Network communications: rofibus-d, DeviceNet, Modbus-RTU LC functions integrated Complete line of options and accessories Soft Starters H Oriented start-up Built-in bypass contactor Universal source voltage ( V, 50/60Hz) Network communications: rofibus-d, DeviceNet, Modbus-RTU Complete Line of options and accessories MV Soft-starter 3.3kV, 41.6kV: up to 3500H, ithdrawable ower Stacks, & 8x T100 Temperature monitoring Controls Mini Contactors IEC Contactors Thermal Overload Relays Manual Motor rotectors Molded Case Circuit Breakers Smart Relays Enclosed Starters: combination & noncombination, ushbuttons & ilot Lights Timing & Motor rotection Relays Terminal Blocks Custom anels Custom configured to your specification. NEMA 1, 12, 3R, 4 and 4X cabinets Quick delivery of preconfigured drives and soft starters UL 508 certified Low Voltage ( ) Made in the U.S.A. Generators Brushless Synchronous Generators for diesel gen-sets up to 4,200kVA Hydro-generators up to 25,000kVA Turbo-generators up to 62,500kVA ower Transformers Built and engineered in North America Voltages < 500kV Ratings 5-300MVA Station class, oil filled, round core, copper windings Special configurations and designs available! Ask your EG Sales Representative for details. Designed, built, and engineered to ANSI standards. Custom Solution ackage Sales EG can package any of its products for ease of sale! Enjoy a single point of contact for the entire package of products and assistance from quote through after-sales support. Ask your EG Sales Representative for details. lease contact your authorized distributor: USA AC (2013) EG Electric Corp Sugarloaf arkway Duluth, GA hone: ASK-4EG
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