PKZM0-1/AK Eaton Motor Protective Circuit Breaker

The PKZM0-1/AK is a manual motor protective circuit breaker from Moeller intended for motor overload and short-circuit protection. Its thermal setting is adjustable from 0.63–1 A, while the magnetic trip responds at 14 A, allowing coordination with motor full-load currents. The device carries a 50 kA short-circuit current rating at 600 V AC and can be used with branch-circuit fuses or breakers rated up to 600 A. At 230 V, it is rated for 1/2 HP applications. The PKZM0-1/AK is UL listed and CSA certified. It is approved for group installations under NEC 430-53 and CEC rule 28-206, supporting panel-space reduction and cost control while maintaining installation compliance.