This 3 position rocker switch is double pole double throw dpdt switch with no light in it. It will be maintained at its pressed position.
The UP and DOWN position are on. And the CENTER position is off. It's commonly used for a car's winch in/out switch where reversing polarity is desired. It can also control a car's headlights high low beam, turn signal, or a boat's nav/anc light.
Rated at 20amp/12v DC and 10amp/24v DC; Required mounting hole size: 37.2 mm x 21.2 mm(1.46'' x 0.83''); Face Surface Size: 49mm x 25mm(1.94'' x 0.96'').
It can be horizontally or vertically mounted for all sorts of DC motor reversing applications, such as camper trailer jacks, RV Power Jack, winch controls for in/out operation, door opening/closing, lift gate up/down, winch on a lawn tractor, awning extend/retract, etc.