5 SET RECESSED DOOR WINDOW CONTACTS REED SECURITY ALARM IN SOUTH AFRICA

Description: 5 Set Recessed Door Window Contacts Magnetic Reed Security Alarm Switch Screws F eatures: Easy installation ! Reliable performance ! Good characteristic of abrasion-proof ! Best Choice for you to protect family ! There are two types of reed switches: "normally open" reed switches and "normally closed" reed switches. 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. 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. S pecification: 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: 200 VDC Rated power: 10W Actuation distance: 20-25 mm Wire lead: 22 Awg, About 350mm long Mounting method: SMD (by screws or double-sided tapes) Recommendations in application: wooden door, window Package Includes: 5 x Reed switches Necessary screws for installation Details pictures: