For use with dimmer controllers. Contura switches are rated to IP66, high-pressure wash resistant. Recommended for replacements in waterproof electrical panels with rocker switches to ensure waterproof integrity. The black and gray switches and covers are interchangeable with similar switches used as original equipment on many common boat types. Nominal voltage 12V/24V DC. Rated for 20A @ 12V DC, 15A @ 24V DC. 1/4" blade terminals. Snap-in mounting to fit panel hole 1.45" x .83" into panels .093" to .187" thick. Replaces Cole Hersee part number 58332-24.