MC-51 NC+NO Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch Silver Gray Flexible Couplings Size:41 x 20 mm/1

Size:41 x 20 mm/1

Keyed Different

Product Name: Hex Head Bolts

cooling equipment and other signal device in your home

meaning these fully threaded rods will not rust no matter how many years you use them for

MC-51 NC+NO Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch Silver Gray Flexible Couplings Size:41 x 20 mm/1Description: 1. Actuation Distance: 15mm. 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 ). NO