SPST, action: on-off, lamp/actuator: AC 110V lamp, green , current rating: 10A-125V, 6A-250V AC, 16A-125V AC, 10A-250V AC, contact material: silver plated brass, terminal material: copper alloy, panel cut-out: 20.2mm (.79"), body, actuator & bezel material: nylon (UL94V-2), maximum panel thickness: 3.0mm