NZM9-250 Eaton Molded Case Circuit Breaker

The NZM9-250 is a molded case circuit breaker (MCCB) with a 250A frame rating, UL 489 and CSA C22.2 No. 5.1 certified. Current calibration ranges from 63A to 250A. Trip unit options include thermal-magnetic (ZM9A) and electronic (ZM9-OBI), with fixed or adjustable trip settings. Interrupting capacity reaches 2400A depending on trip unit configuration. Voltage rating is up to 690V AC. Terminal type is bolt-on for line and load connections. Handle assemblies are sold separately. Regional variants include global, CNA (Canada/North America), and NA (U.S.) suffixes. Applications include feeder protection, main disconnects, and high-demand distribution circuits.