Magnetic Reed Switch NC Surface Mount Wired Door Window Contact Sensor for Home Security (5pcs)

Magnetic Reed Switch NC Surface Mount Wired Door Window Contact Sensor with Cover for Home Security and Burglar Alarm Systems MC-31 5pcs

Magnetic Reed Switch NC Surface Mount Wired Door Window Contact Sensor for Home Security (5pcs)

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 Maximum Sensor Sensitivity: 16mm(+/-5mm) Load Current: 100mA 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

Key Features

• ✅ MATERIAL - The switch housing is made of ABS flame retardant material and the reed switch is resistant to high temperature and deformation.
• ✅ 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).
• ✅ ACTUATION DISTANCE - 11-21mm transmitting distance. The contact has fast reflection and accurate detection.
• ✅ WORKING CONDITIONS - Load Current: 100mA; Maximum Voltage: 100V DC. The terminal has a detachable cover, which is more beautiful after installation.
• ✅ WIDE APPLICATIONS - Work with all access control and burglar alarm systems. Can be installed in wooden or aluminum alloy doors and windows.

✅ Product Dimensions: 6.3 x 5.51 x 0.59 inches

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