Name: Unique Bargains Door Window NC Contact Security Safety Alarm Magnetic Sensor Reed Switch Sets
Brand: Unique Bargains
SKU: 6SOXN46CYBHL
Price: 10.49 CAD
Availability: InStock

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Unique Bargains Door Window NC Contact Security Safety Alarm Magnetic Sensor Reed Switch Sets

<ul><li>NC Contact Operation: Functions as a normally closed type, where the circuit is closed normally and opens when a magnet is not near it.</li><li>Magnetic Field Activation: Operates as an electrical switch by an applied magnetic field.</li><li>Compact Design: Features a big one size of 64 x 20 x 13mm and a small one size of 64 x 13 x 13mm.</li><li>Standard Electrical Rating: Rated for DC 100V and 500mA.</li><li>Adjustable Operating Distance: Provides an operating distance range of 17mm-25mm.</li></ul>

<ul><li>Package Content: 1 x Magnetic Door Switch Sets, Installation Screws; Type: /; Rated Voltage: DC 100V</li><li>Rated Current: 500mA; Rated Power: /; Wire Length: /</li><li>Main Color: White; Contact Type: NC(normal closed type); Operating Distance: 17mm-25mm</li><li>Big One Size(Approx): 64 x 20 x 13mm / 2.5" x 0.8" x 0.51"(L*W*H); Small One Size(Approx): 64 x 13 x 13mm / 2.5" x 0.5" x 0.51" (L*W*H)</li></ul>

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Switch Type: NC(normal closed type), the circuit is closed normally, and, that if a magnet not near it, the circuit open. The Reed Switch is an electrical switch operated by an applied magnetic field. It was invented at Bell Telephone Laboratories in 1936 by W. B. Ellwood. It consists of a pair of contacts on ferrous metal reeds in a hermetically sealed glass envelope. There are two types of reed switches: normally open reed switches and normally closed reed switches. The metal reeds on a normally open switch stay open when there is no magnet near the switch. In the presence of a magnetic field, the contacts of a normally-open reed switch will close. A normally-closed reed switch is closed when it is not near a magnet; as a magnet is brought close to it, a normally-closed switch will open.

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Unique Bargains Door Window NC Contact Security Safety Alarm Magnetic Sensor Reed Switch Sets. The image displays two white rectangular magnetic sensor components, one larger (64 x 20 x 13mm) and one smaller (64 x 13 x 13mm), designed for door and window alarm systems. These normally closed (NC) reed switches open the circuit when a magnet is nearby, with an operating distance of 17mm-25mm. Includes installation screws for easy setup, ideal for home security applications.