it is highly recommended to use the 34M77 1

This unit utilizes a triple pole single throw normally open configuration

providing superior shaft retention and preventing inner ring slippage under high-torque conditions

As a legitimate York replacement part

Veris Industries H-948 Current Switch Els PW 17895 it is highly recommended toThe Veris Industries H 948 is a professional grade split core current switch engineered to provide simultaneous monitoring and control of AC motor loads. Designed for contractors who value space saving efficiency, this device integrates a 2. 5 135A adjustable setpoint sensor with an onboard 24V AC DC command relay. This combination allows for independent start stop control and positive status verification of fans, pumps, and motors with a single