Specification: 30A@12VDC; 15A@24VDC; 30A@125VAC; 15A@250VAC, this reverse polarity switch can be used under DC and AC circuits. Usage: The DC motor reverse the motor direction with switch when hooked red to + and Black to - , and Blue to the Motor. It is configured for polarity reversing. Simply connect power and ground and two DC motor leads and the switch reverse the motor direction. Switch Type: on off on Momentary. The switch lever return to the middle off position when release your finger. Cut-out/hole size: 12mm. Widely Used: This polarity reversing switch replacement for most RVs, trailers, car, ATVs, UTVs boats etc. The switch is designed with jumper bars for polarity reversing, connecting power and ground, and two DC motor leads and the switch reverse the motor direction., Manufacturer: PokFhgur