Description: Brand new and high quality This is 500A 12V High Current Relay . The workmanship and quality are very fine. Generally used for the total power controller. Rated voltage 12VDC, maximum instantaneous through current 500A. Work long times maximum 200A. Specification: Size(L*W*H): 80*78*55mm/3.14*3.07*2.17inch Stud diameter:8mm Package Includes: 1 Piece High Current Relay