The Nidec-Secop 117U4148 Start Relay with Overload is an electrical control and protection component designed for refrigeration and HVAC compressor systems. It assists the compressor motor during startup by supplying the required electrical connection, then transitions to normal operation as the motor reaches operating speed. The integrated overload protection helps safeguard the comp... https://www.partshnc.com/117u4148-nidec-secop-start-relay-with-overload