PKZ2/ZMR-40/S-SP Eaton Motor Protective Circuit Breaker

The PKZ2/ZMR-40/S-SP is a 3-pole, 40A motor protective circuit breaker with adjustable thermal trip range of 32–40 A and adjustable magnetic trip range of 350–500 A. It functions as a manual motor starter and is certified to UL 508 and CSA Type E standards. Rated for up to 30 HP at 460 V in three-phase systems, it integrates a contactor and disconnect module. The unit includes built-in auxiliary contacts and phase-loss protection. Trip modules are plug-in type. Mounting options include DIN rail or panel installation. As a Type E combination motor controller, it does not require supplementary overcurrent protection.