Magnetic Door Contact Switch

Only 16 left in stock order soon. 25 get it as soon as wed aug 12. The alarm will activate when the magnet is pulled away by the opening door or window.

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4 3 out of 5 stars 163.

Magnetic door contact switch. Wire contacts to an alarm system to alert when doors or windows are opened. Free shipping on your first order shipped by amazon. More buying choices 12 93 3 used new offers. Sm 4201 lq track mount overhead door magnetic contact switch.

Spdt switches connect to an alarm system and to another device such as a motion detector. 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. 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. Magnetic contacts are low current devices that send a signal to an alarm or a supervised monitoring system when an armed door is opened.

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Used for overhead doors in both industrial and residential situations where a wide gap is present. 4 3 out of 5 stars 163. 4 3 out of 5 stars 158. Uxcell rolling door contact magnetic reed switch alarm with 3 wires for n o n c.

Mount the magnet to the door or window and mount the switch to the frame. They help keep buildings and controlled access areas secure. Get it as soon as fri sep 25. Choose from our selection of door switches including magnetically actuated switches magnetic contact alarm switches and more.

Get it as soon as wed sep 23. Get it as soon as tue sep 22. Get it as soon as tue sep 22. 4 4 out of 5 stars 12.

In stock and ready to ship.

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