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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
Surface Treatment: Chromium Plating
): 83 x 83 x 57mm / 3
Product Name :Plastic Welding Rods
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Wired Door Contact Sensor NO NC Surface Mount Magnetic Reed Switch Brown 3 Pcs Roller Bearings Surface Treatment: Chromium PlatingDescription The Magnetic Contact Switch is with durable PVC housing for better rust resistance. Designed for use with window and door alarm systems, such as the garage, industrial warehouse, and shops, etc. NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separates, the circuit is not conductive ( light off ). NO means Normally Open: when the magnet separates, the circuit is conductive( light
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