PKZM0-4/AK Eaton Motor Protective Circuit Breaker

The PKZM0-4/AK is an Eaton Moeller PKZM0-series motor-protective circuit breaker for 3p motor protection applications. Its adjustable Ir=2.5-4A range supports current settings from 2.5 A through 4 A, while the rated operational current is 4 A. The unit accommodates a maximum rated operational voltage of 690 V and features a lockable thumb grip for operating control and secure positioning. Its rated short-circuit breaking capacity is 150 kA at 400 V AC, providing a defined interruption rating for the stated electrical conditions. The 3p configuration and listed current, voltage, and breaking-capacity ratings identify the breaker’s construction and application limits.