• Heavy-duty metal pushbutton switch • Single-pole, momentary -- push-on • Metal dome and bezel measure 0.86" diameter x 0.12" high • Threaded bushing, M19x0.75" diameter in panels up to 0.35" thick • Rubber O-ring for dust and moisture protection • Screw-clamp terminals • Rated 4 Amp / 125 Vac