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

Differences of NC, NO, NC/NO

Normally Closed(NC): When the switch is on the subject of the magnet, the circuit is conductive(light on); when the switch is separated from the magnet, the circuit isn’t conductive(light off).

Normally Opened(NO): When the switch is separated from the magnet, the circuit is conductive(light on); When the switch is on the subject of the magnet, the circuit isn’t conductive(light off).

NC/NO Combined: The switch has 3 contact types: NC/NO/COM, you’ll select 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 can not right away load the power supply and can’t be right away 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

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 on the subject of the magnet, the circuit is conductive(light on); when the switch is separated from the magnet, the circuit isn’t 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 get admission to regulate and burglar alarm systems. Can also be installed in wooden or aluminum alloy doors and windows.