The worldwide benchmark for high current circuit breakers
MasterPact NW circuit breakers are equipped with MicroLogic control units that offer built-in power and energy metering in addition to basic or advanced protection functions. Two sizes are sufficient to cover applications from 800 to 6300 A, with breaking capacity from 42 to 150 kA.
The range comes with a wide choice of standardized accessories. The universal design of the MasterPact circuit breaker line allows most accessories to be used across the entire line. It enables standardization of electrical switchboards by providing peace of mind in terms of choice, installation, and operation.
- Rated current: 800 to 6300 A
- Breaking capacity: 42 to 150 kA at 220/415 V AC
- Voltage rating: up to 1150 V AC
- 2 physical sizes: 800 to 4000 A, and 4000 A to 6300 A
- Draw out and fixed mount
- 3-pole and 4-pole construction
- Electronic MicroLogic control units, integrating current, voltag
Circuit breakers to protect lines up to 6300 A
Part of Pact Series
MasterPact NW is a comprehensive range of air circuit breakers designed to protect electrical systems from damage caused by overloads, short circuits and equipment ground faults. Embedding MicroLogic control units, it contributes to safety and energy efficiency. The range covers ratings from 800 to 6300 A in two different sizes.