PowerPact B-Frame Features
Features
PowerPact B-frame devices have the following features:
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Circuit breakers and automatic switches rated from 15 to 125 A
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Available constructions: 1, 2, 3, and 4 poles
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Available mounting types: unit mount and I-line
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Standard compliance depending on the version:
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UL 489, CSA 22.2 No 5, and NMX-J-266
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UL 489, CSA 22.2 No 5, NMX-J-266, and IEC/EN60947-2
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UL 489, CSA 22.2 No 5, NMX-J-266, and IEC/EN60947-2, CCC
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Breaking capacities: D, G, J, K
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Voltage up to 600Y/347 Vac compliant with UL 489
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Voltage up to 690 Vac compliant with IEC/EN60947-2 (type J only)
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Voltage up to 250 Vdc compliant with UL 489, CSA 22.2 No 5, and NMX-J-266
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Field-installable electrical accessories
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Optional terminations
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Optional operating mechanisms
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Optional voltage releases (not available on 1-pole)
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Optional auxiliary contacts (not available on 1-pole)
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Optional insulation accessories
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Optional locking accessories
Isolation Characteristics
Circuit breakers offer positive contact indication and are suitable for isolation in accordance with standards IEC/EN60947-1 and IEC/EN60947-2. The O (OFF) position of the actuator is sufficient to isolate the circuit breaker.
The following markings on the device identification label indicate that the devices are capable of isolation:
In accordance with installation rules, circuit breakers can be locked in the O (OFF) position so that work can be carried out with the power off. Circuit breakers can be locked in the O (OFF) position only when they are open.
The choice of locking device depends on the type of actuator:
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Locking circuit breakers with a toggle handle (see Locking of a Circuit Breaker with a Toggle Handle)
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Locking circuit breakers with a direct rotary handle (see Locking a Circuit Breaker with a Direct Rotary Handle)
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Locking circuit breakers with an extended rotary handle (see Locking a Circuit Breaker with a Front Extended Rotary Handle)
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Locking circuit breakers with a side rotary handle (see Locking a Circuit Breaker with a Side Rotary Handle)
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Locking circuit breakers with a 9421 rotary handle (see Locking a Circuit Breaker with a 9421 Rotary Handle)
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Locking circuit breakers with a 9422 toggle handle (see Locking a Circuit Breaker with a 9422 Toggle Handle)