Pay in 4 interest-free payments of $2.78 Learn more
Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Over-load and Short-circuit
Widely used for mechanical equipment
Compact design
08 mm and so on
Total Size: 2
5pcs HC-34A NC Recessed Wire Gate Contact Sensor Alarm Magnetic Reed Switch Electronics Components Over-load and Short-circuitDescription: 1. NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). When make order,pls check carefully! 2. These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. 3. Work as an anti theft alarm, perfect for metal door and window.
US$ 200.00
US$ 49.99
US$ 15.00
US$ 575.00
US$ 64.99
US$ 440.00
US$ 1249.50
US$ 34.95
US$ 10.00
