5 Pin Single Pole?? Double Throw SPDT so contact can be wired for normally closed or normally open operation</br>30/40 AMP</br>Use optional Relay Harness?? or female Crimp Connectors</br>20 Pack</br></br>Product Description</br></br>Absolute RLS125-20 20 PACK 12-VCD Automotive Relay SPDT 30/40 AMP</br><br/>http://www.amazon.com/gp/product/B00C0SATG0