PKZ2/ZMR1.6/S Eaton Motor Protective Circuit Breaker

The PKZ2/ZMR1.6/S is a 3-pole, 1.6 A motor protective circuit breaker configured as a manual motor starter. It combines the PKZ2 basic module, ZMR1.6-PKZ2 overload relay (adjustable thermal range 1–1.6 A), S-PKZ2 high-capacity contactor, and C-PKZ2 DIN rail mount. Magnetic trip occurs between 14 A and 22 A. Rated for motors up to 3/4 HP at 460 V, it carries UL listing and CSA certification as an HP-rated motor controller. Approved for group installations per NEC 430-53(c) and CEC Rule 28-206, multiple PKZ2/ZMR1.6/S units may share a single branch circuit protective device. All components are integrated into one assembly with self-protected functionality including overload trip and contactor capability.