PKZ2/ZMR-1.6/S-SP Eaton Motor Protective Circuit Breaker

The PKZ2/ZMR-1.6/S-SP is a 3-pole motor protective circuit breaker rated at 1.6 A, configured as a manual motor starter with integrated overload trip and high-capacity contactor. It consists of the PKZ2/S-SP base module, ZMR-1.6-PKZ2 overload relay (adjustable thermal range: 1–1.6 A), and C-PKZ2 DIN rail mounting adapter. Magnetic trip occurs between 14 A and 22 A. Motor sizing support is 1/3 HP at 230 V and 3/4 HP at 460 V. Certified to UL 508 and CSA 22.2 as a Type E combination motor controller, it does not require supplementary overcurrent protection. Features include built-in auxiliary contacts, phase-loss differential trip, plug-in trip module, and compatibility with accessories. The device meets UL/CSA Type E requirements.