uxcell Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White MC-38

Product description

Installation Instructions

The door and window magnet should be installed at the closed position of the door/window.The magnet part is installed on the movable door and window. The switch part is installed on the fixed door and window frame. The switch part and the magnet part should be aligned as much as possible.The door magnet should be away from the strong magnetic field interference source such as a transformer. Otherwise, the working characteristics of the door magnet will be changed and possible wrong actions.

About Normally Closed and Normally Open

N.C. / N.O. Definition

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 ).Please check the right need carefully before purchasing it!

[Specification] – Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10~15mm
[Dimension] – Cable Length: 26cm/10.24″; Total Size: 27 x 14 x 7.8mm / 1.06″ x 0.55″ x 0.31″ (L*W*H)
[Material] – The magnetic switch alarm is with durable ABS housing for better rust resistance
[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 )
[Applications] – The Wired Door Sensor is designed for use with window and door alarm systems, such as garage, industrial warehouse and shops, etc.

Product summary

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