Bettomshin 2Pcs MC-31 Surface Mount Wired N.C. Door Contact Sensor Alarm Magnetic Reed Switch White

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] - Sensing Distance: 20 mm；
• [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 ).
• [Widely Usedl] - 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!