MC-56 NC Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch Silver Gray Straight Flute Taps Washable and reusable effectively reduce

Washable and reusable effectively reduce the cost of use

Copper Wall Thick : 1

Overall Size: 47 x 40mm / 1

it will send out control signal

Material : Brass

MC-56 NC Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch Silver Gray Straight Flute Taps Washable and reusable effectively reduceDescription: 1. 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. NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). When make order,pls check