Protect doors and windows by linking the reed switch and magnet to an alarm system. Switch Type: NC(normal close 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.
With double-sides tape design that for easily .
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Shop Magnetic Sensor Home Door Window Entry Warning Switch. Shop WHITE FLUSH MAGNETIC ALARM DOOR CONTACT DETECTOR BURGLAR SYSTEM REED SWITCH. Description, Price, Activation Type, Mounting Type, Switch Configuration, Switching Current, Switching Voltage, Operating Gap, Colour, Depth, Height, Operating Gap Maximum, Width . The recessed magnetic contact can be used . Protect UPVC windows or doors with this magnet and reed switch sensor without the need of screws. Magnetic reed switch re-installation is an easy, do it yourself alarm system project . See how to save money doing the alarm work yourself!
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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.
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? For instance, a floor pressure switch is normally open, and closes when someone steps on it.
Most alarm systems today have enough zones, though, . Remove the magnet the switch stays closed. I used them on my doors for an alarm system. I have 200ma of current in my circuit which these switches must not be able to handle or they are failing after maybe 1cycles on my doors that are used often.
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