The Nidec-Embraco 1253010-ESP Relay is an OEM compressor starting relay designed for compatible refrigeration and HVAC equipment. It controls the compressor’s electrical starting circuit by temporarily energizing the start winding during startup, then disengaging it as the motor reaches operating speed. This relay is used with compatible Embraco hermetic compressors in refrigeration s... https://www.partshnc.com/1253010-esp-nidec-embraco-relay