Rolling Door Contact Magnetic Reed Switch Alarm with 2 Wires for N.C. Applications MC-51 3pcs Cell Phone Accessories [3] - Choose these sticks

[3] - Choose these sticks to start your creative job

Model: BS230B

47 inch - 0

50(+/-2%)pcs x Furniture Cam Fittings

Pin Type : 2 Wires

Rolling Door Contact Magnetic Reed Switch Alarm with 2 Wires for N.C. Applications MC-51 3pcs Cell Phone Accessories [3] - Choose these sticksDescription: 1. Actuation Distance: 20 30mm. 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 ).