NZM1-XS-L Eaton Molded Case Circuit Breaker

The Eaton NZM1-XS-L is a specialized lockable main switch assembly kit engineered for left-side installation on molded case circuit breakers and switch-disconnectors. Compatible with NZM1(-4), PN1(-4), and N(S)1(-4) devices across Frame sizes J-K, this black accessory incorporates an axe handle mechanism to ensure secure locking. Designed for use in commercial, institutional, and infrastructure settings, it plays a critical role in improving equipment safety and providing enhanced operator control within power distribution systems. The lockable design prevents unauthorized operation, while the frame size compatibility ensures a proper fit for various circuit breaker configurations.