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MC-38 Wired Magnetic House Security Alarm Sensor for Door and Windows

MC-38 Wired Magnetic House Security Alarm Sensor for Door and Windows

Regular price Rs. 34
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  • Magnetic switch sensor is an alarm sensor system that triggers when moved away from each other.
  • Actuation Distance : 15 – 25 mm;
  • It comes with connecting cable of length 30 cm.
  • Magnetic sensor alarm, control the switch of the circuit via the built-in magnet
  • Alarm when someone intrudes into your places
  • This magnetic switch sensor can be used in doors, windows, sliding cupboards, etc.

MC-38 Wired Magnetic House Security Alarm Sensor for Door and Windows

MC-38 Wired Door Window Sensor Magnetic Switch Home Alarm System can be used as a door or window security system. It produces the signal when moved away from each other which can be fed to the microcontroller to perform the desired action as per requirement.

This sensor is suitable to use for triggering an alarm or ON/OFF light inside a cupboard sliding door. This wired sensor is triggered by the magnet. When the magnet is closed by, the circuit is closed or open if the magnet is far from the sensor.

This MC-38 Magnetic Contact Switch Sensor acts like a normal switch so, you can connect to the Ground(GND) pin too. Not necessarily connect to power supply.

Note :
  1. Normally closed: When the magnet is together, the circuit is conductive( light on); when the magnet is separate, the circuit is not conductive ( light off ). 
  2. For example: Install on the door, close door light on. open door light off.


  • Doors
  • Windows
  • Sliding cupboards
  • Home Security Projects


Model MC38
Contact Capacity(Max. Switch Current) 0.5A
Voltage 100V
Rated Power (W) 10
Dimensions 24 x 14 x 8
Weight  8

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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1. How do Wired Magnetic House Security Alarm Sensor work?

  • A reed switch with a small circuit inside sits on the frame of the window, while a magnet attaches to the pane, right next to the switch. When the magnet holds the switch's metal it contacts together when the window is closed an electric current flows in a continuous loop.

2. Are Wired Magnetic House Security Alarm Sensor effective?

  • Wired Magnetic House Security Alarm Sensor can be very useful on ground floor windows around your home, as these are more vulnerable to break-ins. In terms of home security systems, door and window alarms are a cost-effective home security product.

3. What is Wired Magnetic House Security Alarm Sensor?

  • Wired Magnetic House Security Alarm Sensor are commonly used in alarm systems to trigger the opening and closing of doors and windows. It consists of two parts encased in a plastic shell a magnet and a sensor/switch. In combination, it basically works by opening/closing a reed switch by using the magnet's magnetic field.