MC-31 Wired Magnetic Door Window Contact Reed Switch Magnetic Sensor Door Window Security Alarm System NC Normally Open Magnetic Switch Surface Mount

There are two types of reed switches: “normally open” reed switches and “normally open” reed switches. The metal reeds on a normally Close switch stay Close when there is no magnet near the switch. In the presence of a magnetic field, the contacts of a normally-Close reed switch will Open. A normally-Open reed switch is Opened when it is not near a magnet; as a magnet is brought Open to it, a normally-Close switch will open.

• Switch Type: NC(normal Open type), circuit is connected when magnet is near the switch.
• The reed switch is an electrical switch operated by an applied magnetic field.
• Designed for use with alarm systems. Great for use in family and factory window, door. etc.
• Ideal for residential or commercial use. Designed to do embedded in door or window frame in door or window frames.
• With double-sides tape design that for easily install.

• Material : Plastic
• Color: White
• Actuation distance: 15mm – 25mm
• Voltage : Normal system up to 24V. Not recommended to connect higher voltage or AC supply.
• Box size (each side): 65x30mm
• Weight: 20g