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Copper Wall Thick : 1
it will send out control signal
Finish: Copper Plated
Material : Brass
Overall Size: 47 x 40mm / 1
MC-56 NC Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch Silver Gray Straight Flute Taps Copper Wall Thick : 1Description: 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
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