NZMH9-250/ZM9-63-800-OBI Eaton Molded Case Circuit Breaker

The NZMH9-250/ZM9-63-800-OBI is a 3-pole molded case circuit breaker with a 250A frame size and 63A continuous current rating. It provides instantaneous trip functionality only, with no thermal element, as indicated by the OBI designation. The magnetic trip threshold is adjustable between 400 A and 800 A. This device is UL and CSA listed and rated for use at up to 600 VAC. It delivers high fault interrupting capacity and is intended for applications where short-circuit protection without thermal overload response is required.