
Magnetic Door Sensor Switch, Normally Open, 15-25 mm (White)
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
Makers ElectronicsCheapest | Magnetic Reed Switch Normally Open Door Sensor MC-31 | 65 EGP | View in store |
Circuits Electronics | Magnetic Door Switch | 95 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 65 EGP
About this product
A normally open magnetic door sensor switch with a white housing, used in home security and smart-home systems to detect when a door or window opens or closes. The contact closes when the magnet is within the 15 to 25 mm operating distance.
Specifications
- Contact type
- Normally open (NO)
- Color
- White
- Rated voltage
- 10 VDC
- Rated current
- 500 mA
- Rated power
- 3 W
- Operating distance
- 15-25 mm
Frequently asked questions
What is the price of Magnetic Door Sensor Switch, Normally Open, 15-25 mm (White) in Egypt?
Magnetic Door Sensor Switch, Normally Open, 15-25 mm (White) currently costs between 65 and 95 EGP across 2 offers in Egypt.
Where can I buy Magnetic Door Sensor Switch, Normally Open, 15-25 mm (White) in Egypt?
Magnetic Door Sensor Switch, Normally Open, 15-25 mm (White) is available from Makers Electronics and Circuits Electronics. Compare the offers above to find the best price.
How do I wire a normally open door sensor to an alarm input?
Connect the two leads across the alarm zone input, as you would any dry contact. The circuit closes when the magnet is near the sensor, so configure the input for normally open behaviour and keep voltage and current within 10 VDC and 500 mA.
Will it work with any smart-home hub?
It works with any input that accepts a dry switch contact within its ratings. Confirm that your hub or alarm panel supplies a voltage and current within the 10 VDC and 500 mA limits.







