Magnetic Door Alarm Reed Switch - Normally Closed (NC)
Magnetic Door Alarm Reed Switch - Normally Closed (NC) is backordered and will ship as soon as it is back in stock.
Magnetic Door Alarm Reed Switch - Normally Closed (NC)
The OC-55 magnetic door alarm reed switch is a simple and reliable normally closed sensor used for detecting the opening and closing of doors windows and panels. When the magnet is close to the switch the circuit remains closed and when the magnet moves away the circuit opens.
This type of reed switch is commonly used in security systems alarm projects and automation setups. Its low power operation and straightforward wiring make it ideal for Arduino ESP32 and other microcontroller based projects.
Key Features
- Normally closed reed switch operation
- Triggers when the magnet is separated
- Low power and highly reliable design
- Compact housing for easy mounting
- Suitable for 3V to 12V low voltage circuits
Common Applications
- Door and window alarm systems
- Security and access monitoring
- Smart home and automation projects
- Arduino and ESP32 input sensing
The OC-55 reed switch is ideal for projects where a clear open or closed state is required without physical contact. It is widely used in educational kits DIY electronics and commercial alarm systems.
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