SPST, action: on - off, actuator: black nylon non lighted, current rating: 15A@125V AC, 10A @250V AC, 1/2HP 125-250V AC, contact material: silver CAD-oxide, silver tin-oxide, fine silver, terminal material: brass or copper/silver plate, terminal type: .250" quick connect, mounting hole: 0.83" x 1.45"