NZM6B-63/ZM6-100-1200-OBI-NA Eaton Molded Case Circuit Breaker

The NZM6B-63/ZM6-100-1200-OBI-NA is a molded case circuit breaker rated for 100A continuous current and an instantaneous magnetic trip range of 600–1200A. It meets UL requirements for use in North American industrial applications. Its interrupting capacity aligns with standard performance specifications defined for this device class. The model designation reflects its configuration as a North American variant with OBI (Overcurrent, Breaker, Instantaneous) tripping functionality and no auxiliary contacts or shunt trip. It belongs to the NZM6B series and is designed for fixed mounting in panelboards and switchgear assemblies where coordinated overcurrent protection is required.