NZM6B-63/ZM6-40-320-CNA Eaton Molded Case Circuit Breaker

The NZM6B-63/ZM6-40-320-CNA is a three-pole molded case circuit breaker with thermal-magnetic trip functionality. It provides thermal protection across a 25–40A range and magnetic protection between 160–320A. The device is rated for motor disconnect applications up to 40 HP at 575V. It meets UL, CSA, and IEC certification requirements and is designed for North American electrical systems. This unit belongs to the NZM6B-63 series and carries the ZM6-40-320-CNA designation.