Magnetic Door Contact Switch

4 3 out of 5 stars 163. Mount the magnet to the door or window and mount the switch to the frame. Get it as soon as wed sep 23.

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Magnetic door contact switch.

Get it as soon as tue sep 22. 25 get it as soon as wed aug 12. Magnetic contacts are low current devices that send a signal to an alarm or a supervised monitoring system when an armed door is opened. Spdt switches connect to an alarm system and to another device such as a motion detector.

Sm 4105 lq w 3 4 steel door recessed mount magnetic contact switch. In stock and ready to ship. 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. 4 4 out of 5 stars 12.

Free shipping on your first order shipped by amazon. Free shipping on your first order shipped by amazon. Uxcell rolling door contact magnetic reed switch alarm with 3 wires for n o n c. More buying choices 12 93 3 used new offers.

Only 16 left in stock order soon. Get it as soon as tue sep 22. Choose from our selection of door switches including magnetically actuated switches magnetic contact alarm switches and more. Farboat oc 55 rolling door gate wired contact magnetic reed switch alarm sensor home security system with screws no nc 10 25 10.

The alarm will activate when the magnet is pulled away by the opening door or window. They help keep buildings and controlled access areas secure. 4 3 out of 5 stars 163. 4 3 out of 5 stars 158.

Sm 4201 lq track mount overhead door magnetic contact switch. Wire contacts to an alarm system to alert when doors or windows are opened. 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. Used for overhead doors in both industrial and residential situations where a wide gap is present.

Get it as soon as fri sep 25.

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