NZM9-250/ZM9-63-800 Eaton Molded Case Circuit Breaker

The NZM9-250/ZM9-63-800 is a 3-pole molded case circuit breaker with a 250A frame size and a continuous current rating of 63A. It provides instantaneous short-circuit protection only, requiring separate overload protection in the system. The magnetic trip is adjustable across a range of 400–800A. Thermal tripping is not included. It carries UL and CSA certification for use at voltages up to 600 VAC and has a standard interrupting rating. This device is intended for industrial distribution systems where selective coordination or dedicated short-circuit protection is required.