Designed as a direct drop-in replacement

Using a 3-blade fan in place of a 4-blade fan—or changing the pitch—can alter the motor amp draw

Precise Thermal Control: Fixed 175°F cutout and 145°F cut-in ensure consistent safety indexing without the need for manual adjustment

or a sticking potential relay are the primary causes

By delivering consistent feedback to the economizer or controller

Copeland 940-0001-79 Potential Relay Els PW 17895 Designed as a direct drop-inThe Copeland 940 0001 79 Potential Relay is a mission critical component designed for high torque motor starting in commercial refrigeration and air conditioning systems. Engineered for precision, this 3ARR3KC3P5 potential relay monitors the back electromotive force (EMF) to efficiently disconnect the start capacitor once the compressor reaches optimal operating speed. This OEM Copeland replacement part ensures consistent compressor start up and