Work as an anti-theft alarm, ideal for metal door and window and casement windows, sliding windows and thin frame applications 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!
[Specification] - Current: 0.5 A; Voltage: 100 V; Power Rating: 10 W
[Dimension] - Cable Length:250 mm; Sensing Distance:15-25 mm; Total Size: 17mm x 10.7mm/0.67" x 0.42" (L*D)
[Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separates, the circuit is not conductive ( light off ). (Connect when merging, disconnect when separating)
[Widely Used] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - The Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!