2 Wire Magnetic Reed Switch
$6.95
Reed switches are used to monitor the opening and closing of windows or doors (or essentially anything that opens or closes). There are two parts to a reed switch… one has a magnet inside, the other a reed switch (which is triggered when the magnet comes close and deactivates when the magnet is pulled away). When wired (DIY with 2 low voltage wires) to a smart home binary sensor input device, you can easily monitor and create automations for doors and windows. Can be mounted with double-sided tape or screws.
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Product Questions & Answers
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What is the operating gap for this switch?
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Q What is the operating gap for this switch?A
Approx. 3 - 4 mill. You can also substitute the magnet for a stronger version if you need a larger gap.
Is this a NC (normally closed) or NO (normally open) Reed?
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Q Is this a NC (normally closed) or NO (normally open) Reed?A
Normally open - the circuit is closed when the magnet is close to the main body.
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