Schneider Electric Masterpact NW40H1 Air Circuit Breaker, 4000A

The Schneider Electric Masterpact NW40H1 is a fixed-mount, 3-pole low-voltage air circuit breaker from the Masterpact NW range, rated 4000A for power distribution protection, supplied without a trip unit for the customer to fit the appropriate MicroLogic control unit.

It delivers an H1 performance type with 65kA breaking capacity (Icu/Ics) at up to 690V AC, a 143kA making capacity (Icm), a 1000V AC insulation voltage and 12kV impulse withstand, is rated IP30, operates from -25 to +70 degrees C, and carries a mechanical durability of 10,000 cycles (20,000 with maintenance), weighing 50kg.