Magnetic alarm switch

Protect doors and windows by linking the reed switch and magnet to an alarm system. Suitable to used in apartment, hotel, office, etc. The Entry Alarm adopts magnetic sensor design to detect any entry from door or window.

Easy to install, it will warning you somebody is coming in with loudly and harsh sound. Free delivery on eligible orders of £or more.

Shop 3pcs NO Normally Open Security Alarm Door Magnetic Contact Reed Switch.

Burglar Alarm Door Contacts, White Quick Fit Magnetic Reed Switch Contact type.

Description, Price, Activation Type, Mounting Type, Switch Configuration, Switching Current, Switching Voltage, Operating Gap, Colour, Depth, Height, Operating Gap Maximum, Width . Intruder alarms and model railroads often use them too. Photo: A typical reed switch (a Comus RI-23). Magnetic door contacts are normally wired to the entry and exit zone of the alarm , with most alarms you can add more than one magnetic door contact as long as they are wired in series. SURFACE MOUNTING MAGNETIC REED SWITCH DOOR WINDOW CONTACT DETECT SECURITY ALARAmazon. Shop MC Wired Door Window Sensor Magnetic Switch Home Alarm System.

Shop Stainless Steel Wired Security Rolling Door Magnetic Switch Contact Alarm for Roller Shutter Gate. Activates when magnetic contact is separated. WHITE FLUSH MAGNETIC ALARM DOOR CONTACT DETECTOR BURGLAR SYSTEM REED SWITCH. Find great deals on eBay for Magnetic Door Switch in Home Security Sensors and Motion Detectors.

This contact is used to protect doors and windows when you are away from home. The distance between the reed switch and magnet has to be greater than 40mm before the . This reed switch protects your home by sounding your alarm when the magnet and reed switch are more than 17mm apart. How do you make that work the opposite way?

As to when you pull the magnet away the light stays on until you put the magnet back. I want the apposite to what you have? MAGNETIC REED CONTACT SET, FOR DOOR OR WINDOW MOUNTING SECURITY APPLICATIONS BOTH SWITCH AND MAGNET ARE HOUSED IN FULLY SEALED ABS MOULDINGS AND CAN BE MOUNTED EITHER BY INTEGRAL SELF-ADHESIVE PADS, OR BY SCREW MOUNTING HOLES AT EACH END THE . The reed switch is an electrical switch operated by an applied magnetic field.

The contacts may be normally open, . When the protected door or window is closed the Contact Switch is held closed by the magnetic field from the Magnet. Opening the protected door or window will remove the magnetic field and allow the Contact Switch to open generating an alarm signal if the system is armed. Haegil supply magnetic contacts for normally .