5pcs RC-36 Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch

5pcs RC-36 Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch

Was: $58.98
Now: $29.49
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SKU:
JA210365
UPC:
6462819101257
Condition:
New
Availability:
Free Shipping from the USA. Estimated 2-4 days delivery.
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.
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