Moeller NZMB2-4-A250 molded case circuit breaker is a four-pole main breaker designed for use as the primary protection device in electrical distribution panels. The NZMB2-4-A250 model designation specifies a four-pole configuration that provides centralized overcurrent protection for feeders. As a molded case circuit breaker, it is built to interrupt fault currents and protect downstream circuits when installed as the main protection in a panel.
