NZM6B-63 Eaton Molded Case Circuit Breaker

The NZM6B-63 is a molded case circuit breaker with a 63A frame rating, UL 489 and CSA C22.2 No. 5.1 certified, rated for operation up to 690V AC. It features field-wiring cable terminals on both line and load sides. Trip unit options include fixed and adjustable thermal-magnetic (ZM6, ZM6A) and electronic (ZM6-OBI), supporting trip current ranges from 1.2A to 2000A. Configurations are available in standard, North American (CNA), and U.S. (NA) regional variants. Select models provide adjustable instantaneous and long-time trip functions. Operating handles are not included and must be ordered separately. The device is intended for industrial and commercial power distribution applications including motor protection, feeder circuits, and main switchboards.