NZMH4-4-VE800/500 Eaton Molded Case Circuit Breaker

The NZMH4-4-VE800/500 is a 4-pole molded case circuit breaker rated at 800 A, with the fourth pole rated at 500 A. It uses an electronic trip unit with adjustable overload protection from 400 A to 800 A and short-circuit adjustment up to 9600 A. Designed for operation up to 690 V AC, it achieves a short-circuit breaking capacity of 63 kA at 230 V. The device incorporates configurable time delay, thermal memory, and i²t functionality. It is constructed on the NZM4 frame and complies with IEC/EN 60947 standards. This RoHS-conform breaker is suited for industrial applications requiring precise, high-reliability protection of systems, cables, and generators.