The SD-70-WH is a recessed magnetic contact switch designed for use in steel doors. It operates as a normally open, closed-loop contact with a standard operating gap of 1.1 inches (28mm). The switch features a maximum contact rating of 10W, with a maximum switching voltage of 110V AC / 100V DC and a maximum switching current of 0.5A. This white-colored contact comes with 12-inch, 22 AWG wire leads and is built to function in an operating temperature range of -40°C to +60°C. Its recessed design allows for a clean, unobtrusive installation in residential and commercial security systems.