Wired Shutter Roller Magnetic Overhead Door Contact

Features:
This Contact Works with Any Access Control or Burglar Alarm System Available
Switch Type: NC / NO
Great for use in family and factory window, door. etc.
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)
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).

Specifications:
Housing Material : Zinc Alloy
Color: silver gray
Dry Contact Output: NC / NO
Cable material: 1007UL #22AWG
Cable length: 550mm/21.65in(Stainless steel protection tube: 380mm/15in)
Detector Dimensions: 106×47.5x10mm / 4.17×1.87×0.39in
Magnet Dimension: 106x16x16mm / 4.17×0.63×0.63in
Bracket Dimension: 106x50x50mm / 4.17×1.97×1.97in
10W/100VDC/0.5A in MAX
Weight: 265g/9.35oz