Nc No Door Window Contact Magnetic Reed Switch

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1 pair magnetic switch includes two parts the one part is magnet and the other part is switch with wires.

Nc no door window contact magnetic reed switch.

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2sets magnetic reed switch normally open closed nc no door alarm window security product description. Nc no door window contact magnetic reed switch alarm 3w 10 25mm. 1 4 super mini switch set. When the magnet separate the circuit is not conductive light off great for use in family and factory window door.

When the magnet together the circuit is conductive light on. Recessed wired security window door contact sensor alarm magnetic reed switch white rc 33 4pcs. 5 pk wired contacts. 20 pk white 3 8 recessed wired security.

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