SPDT, action: on - (on) momentary, panel thickness up to 8.0mm, actuator & bezel: stainless steel, mtg. hole: 19.5mm (.76"), current rating: 16A @ 125/250V AC, 1/2HP 125V AC, 3/4HP 250V AC, contact material: fine silver, terminal material: copper alloy, body material: nylon 6.6, terminal type: .250" quick connect