Check the listing for details. Waterproof Reverse Polarity Rocker Switch 3 Position Momentary - P12001-PR-MOM. Condition: New. Listed at 41.95 USD. Rugged Polarity Reversing Momentary On-Off-Momentary On power rocker switch is environmentally sealed. The actuator is sealed by means of gaskets and o-rings. The switch body and connections are encapsulated in urethane inside a robust ABS enclosure. The enclosure has a built-in guard that shields the switch button from accidental actuation. There are two mounting tabs which allow the switch to be secured to a convenient mounting surface. The dimensions of the enclosure are 2 ¾” long x 2 3/8” wide x 2” high (including the switch button guard). 10 AWG switch leads are 12” long. The switch is rated at 30 Amps @ 12VDC This switch has 4 leads and is used to reverse the direction of DC motors. It is ideal for marine applications, construction equipment, automotive accessories or other applications in harsh environments.