Fielect Rolling Door Contact Magnetic Reed Switch Alarm with 2 Wires for N.O./N.C. Applications MC-58
- [Dimension] - Sensing Distance: 30-50 mm.
- Total Size: 106 x 16 x 16 mm / 4.17" x 0.75" x 0.39" (L*W*H)003c/br003e.
- [N.O./N.C.] - 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 ). N.O. means Normally Open: when the magnet separates, the circuit is conductive( light on ).
- When the magnet together, the circuit is not conductive ( light off ). When make order, pls check carefully!.
- [Widely Used] - This Door Contact Switch 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!.