PKZ2/ZMR-2.4/S-SP Eaton Motor Protective Circuit Breaker

The PKZ2/ZMR-2.4/S-SP is a 3-pole motor protective circuit breaker rated at 2.4 A, configured as a manual motor starter with integrated short-circuit and overload protection. It comprises the PKZ2/S-SP base module containing a high-capacity contactor, the ZMR-2.4-PKZ2 thermal overload relay (1.6–2.4 A range), and the C-PKZ2 DIN rail mounting adapter. Magnetic trip occurs between 20 A and 35 A. It supports motors up to 1/2 HP at 230 V and 1 HP at 460 V. Certified to UL 508 and CSA 22.2 as a Type E combination motor controller. Features include a plug-in trip module, phase-loss differential trip, built-in auxiliary contacts, and accessory compatibility. No external backup overcurrent protection is required.