Door Contact SensorProduct Details1.This Recessed Door Contact Sensor works with any access control or burglar alarm system available2.Cable Length: 26cm/10.2"; Total Size: 25mm x 23.6mm/0.98" x 0.93" (L*D)3.Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 20-30mm4.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 ).5.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!.
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