Toggle switch, 16 mm, round, plastic, white, 3 switching positions I>O Property Value Number of switching positions: 3 Number of contacts as normally open: 2 Momentary: no Switching function latching: no Hole diameter: 16 mm Width of the opening: 19 mm Height of the opening: 17 mm Suitable for lighting: no Supply voltage: 5 to 250 V With front ring: yes