MC-59 NC Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch Silver Gray Auger Drill Bits One side of paper is

One side of paper is smooth and the other is corrugated

Hardness: 70A Durometer

Total Length: 86

Air (Approxi

MC-59 NC Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch Silver Gray Auger Drill Bits One side of paper isDescription: 1. Actuation Distance: 40mm. Silver gray Metal 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