2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security
11,36 €
Description: NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). When make order,pls check carefully! The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems. Great for use in family and factory window, door. etc. Screw Mounted for easily install. Note: The Maximum Switch Current is 0.5A, please use less than this safe level. .
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