The MET-200AR is a commercial-grade, armored surface mount contact switch housed in a durable aluminum case. It features a normally open reed form with a standard operating gap of 1.25 inches and comes equipped with a standard 18-inch armored cable. This device has a maximum contact rating of 10W, a maximum switching voltage of 110V AC / 100V DC, and a maximum switching current of 0.5A. Operating over a temperature range of -40°C to +60°C, it is suitable for various commercial security and alarm system applications requiring a rugged, surface-mounted contact.