MC-52 NO Alarm Security Rolling Garage Door Contact Magnetic Reed Switch 2Set Rules that has the characteristics of

that has the characteristics of high temperature resistance

Knobs Size: 30 x 6 x 18mm / 1

Zinc alloy base and rubber top

ceramic structure

Adapted machines like electric drill

MC-52 NO Alarm Security Rolling Garage Door Contact Magnetic Reed Switch 2Set Rules that has the characteristics ofDescription: 1. Actuation Distance: 20 35mm. Silver gray zinc alloy housing. 2. The reed switch is an electrical switch operated by an applied magnetic field. 3. Designed for use with alarm systems. Great for use in family and factory window, door. etc. 4. Screw Mounted for easily install. 5. NO means Normally Open: when the magnet separate, the circuit is conductive( light on ); When the magnet together, the circuit is not conductive ( light off ).