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Magnetic door contact sensor.
Mount the magnet to the door or window and mount the switch to the frame.
Spdt switches connect to an alarm system and to another device such as a motion detector.
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Magnetic contact sensors can be added to existing wired alarm systems.
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They are ideal for protecting doors windows and patio doors and any opening device such as a drawer or cupboard for example.
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They are cheap and reliable.
With over 400 magnetic contact sensor models to choose from sentrol offers the most comprehensive line of door contact and peripherals available.
Such sensors consist of two parts a contact that is installed on the door window frame and an activating magnet that is mounted on the door.
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Built for durability and dependability sentrol door contacts are conservatively rated at 10 000 000 cycles ensuring long life.
You can also choose from door position sensor and personal door magnetic contact.
They are cheap and reliable.
They are installed at upper and lower opening gap of the door.
The alarm will activate when the magnet is pulled away by the opening door or window.
A wide variety of door magnetic contact sensor options are available to you such as resistance sensor inductance sensor and current sensor.
Generally in comes in two components.
Magnetic door contact sensor magnetic contact is used to detect opening of door gate or windows in the event of intrusion.
Wire contacts to an alarm system to alert when doors or windows are opened.