Single pole, single throw switch turns one circuit on and off. Heavy-duty, noncorrosive construction with moisture-repellent insulators. Brass case, stem, terminals and mounting hardware. All knobs are screw-on type. Nominal voltage is 6-36V DC. Rated for 10A at 12V DC. #8-32 screw terminals. Fits panels up to 1" thick. Replaces Cole Hersee part number M-527.