Overhead Magnetic Alarm Door Contact for Roller Shutter
Production Description
Operating Principle
When a magnetic field is brought near the reed switch, the reeds either come together (closing the circuit) or move apart (opening the circuit), depending on the switch type (normally open or normally closed).
Components
Reed Switch: The main component consisting of two ferromagnetic blades (reeds) hermetically sealed in a glass envelope.
Magnet: The external component that actuates the switch.
Types
Normally Open (NO): The switch remains open until a magnetic field is applied.
Normally Closed (NC): The switch remains closed until a magnetic field is applied.
Form C(Changeover): A three-terminal device where one terminal is common, and the other two terminals switch between normally closed and normally open states.
Product Specifications Configuration
Product Technical Drawing
Application
- Security Systems: Used in door and window sensors to detect unauthorized entry.
- Industrial Automation: Employed in machinery to detect position or presence of components.
- Consumer Electronics: Found in devices like laptops to detect the position of the lid.
- Automotive Industry: Used in various sensing applications such as detecting the position of seats or doors.
