Description:

Door Window Contact Magnetic Reed Switch Alarm Device Sensor Normally Open Set

Specifications:
Color: White
Material: ABS
Dimensions: 27(mm) x 14(mm) x 8(mm)
Switch pattern: N/O normally open， alarm-on-broken
Contact capacity: Maximum switch current: 0.5Amp
Voltage: DC100V 0.5A
Rated power: 10W
Actuation distance: 20-25mm
Wire lead: 22 AWG， About 300mm long
Mounting method: SMD (by screws or double-sided tapes)
Recommendations in application: wooden door， window

Features:
1. Easy installation， reliable performance
2. Good characteristic of abrasion-proof
3. Best Choice for you to protect family
4. There are two types of reed switches: "normally open" reed switches and "normally closed" reed switches.
5. The metal reeds on a normally open switch stay open when there is no magnet near the switch. In the presence of a magnetic field， the contacts of a normally-open reed switch will close.
6. A normally-closed reed switch is closed when it is not near a magnet; as a magnet is brought close to it， a normally-closed switch will open.

Package Included:
1x Reed switches
4x Screws

More Details: