Magnetic Door Contact Switch

4 3 out of 5 stars 163. Get it as soon as tue sep 22. More buying choices 12 93 3 used new offers.

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They help keep buildings and controlled access areas secure.

Magnetic door contact switch.

Wire contacts to an alarm system to alert when doors or windows are opened. 4 3 out of 5 stars 163. 4 3 out of 5 stars 158. Mount the magnet to the door or window and mount the switch to the frame.

2sets magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch for gps alarm or other device dc 5v 12v 24v light. Sm 4105 lq w 3 4 steel door recessed mount magnetic contact switch. Used for overhead doors in both industrial and residential situations where a wide gap is present. Only 16 left in stock order soon.

Magnetic contacts are low current devices that send a signal to an alarm or a supervised monitoring system when an armed door is opened. Free shipping on your first order shipped by amazon. 2sets magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch for gps alarm or other device dc 5v 12v 24v light. Get it as soon as fri sep 25.

2sets magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch for gps alarm or other device dc 5v 12v 24v light. Get it as soon as wed sep 23. Farboat oc 55 rolling door gate wired contact magnetic reed switch alarm sensor home security system with screws no nc 10 25 10. Get it as soon as tue sep 22.

Uxcell rolling door contact magnetic reed switch alarm with 3 wires for n o n c. Sm 4201 lq track mount overhead door magnetic contact switch. 4 4 out of 5 stars 12. Choose from our selection of door switches including magnetically actuated switches magnetic contact alarm switches and more.

25 get it as soon as wed aug 12. Spdt switches connect to an alarm system and to another device such as a motion detector. The alarm will activate when the magnet is pulled away by the opening door or window. In stock and ready to ship.

Free shipping on your first order shipped by amazon.

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