Fielect 2pcs MC-38 Surface Mount Wired N.C Door Sensor Alarm Magnetic Reed Switch White
- [Dimension] - Cable Length:250 mm;Sensing Distance: 15-25 mm;Total Size: 27mm x 28mm x 7.5mm / 1.06" x 1.1" x 0.3"(L*W*H).
- [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!.