PKZ2/ZM-40 Eaton Motor Protective Circuit Breaker

The PKZ2/ZM-40 is a 3-pole motor protective circuit breaker rated at 42A, featuring adjustable thermal trip (32–42A) and magnetic trip (350–500A) settings. It consists of the PKZ2 base module and the ZM-40-PKZ2 overload module. Designed for 3-phase motor protection, it supports motors up to 15 HP at 230V and 30 HP at 460V. The device complies with UL and CSA standards. It operates as a manual motor protector with combined thermal and magnetic tripping functionality.