40-676 | Plastic Ball Plunger Switch with Ball Depressed, Normally Closed. Completely environmental proof for window, door protection, etc. Mounts in 3/4" hole. Mounting centers 1 5/16". Rating 100mA - 100V DC max., 1 Amp - 10V DC max., 10 watts max. 18" wired leads. Overall mounting depth 1".Includes .1" plastic spacer.