VictorsHome Magnetic Reed Switch NC NO COM Surface Mount Wired Door Window Contact Sensor with Cover for Home Security and Burglar Alarm Systems MC-31 5pcs

Pay with

About VictorsHome Magnetic Reed Switch NC NO COM Surface

Differences of NC, NO, NC/NO Normally Closed(NC): When the switch is close to the magnet, the circuit is conductive(light on); when the switch is separated from the magnet, the circuit is not conductive(light off). Normally Opened(NO): When the switch is separated from the magnet, the circuit is conductive(light on); When the switch is close to the magnet, the circuit is not conductive(light off). NC/NO Combined: The switch has 3 contact types: NC/NO/COM, you can choose to connect two of the contacts(NC-COM or NO-COM). PLEASE NOTE A magnetic door contact can only provide a switching signal to the device. It cannot directly load the power supply and cannot be directly connected to the lamp. Specifications: Model: MC-31 Contact Type: NC/NO/COM Maximum Sensor Sensitivity: 18mm(+/-8mm) Load Current: 150mA Maximum Voltage: 100V DC Mounting Hole Distance: 52mm / 2.05inch Size(Approx.):  64 x 20 x 13mm / 2.52 x 0.79 x 0.51inch (L*W*H) 64 x 13 x 13mm / 2.52 x 0.51 x 0.51inch (L*W*H) Housing Material: ABS Package Content:  5pcs x Magnetic Door Switch 20pcs x Mounting Screws