Magnetic Contact Sensors

Reliable Door and Window Opening Detection. Magnetic contact sensors, also known as reed switches, are basic and extremely effective elements of alarm systems. They are used to detect the opening of doors, windows, gates, fences, or cabinets. Their simple and reliable design makes them a key element of the facility's perimeter protection. How Does a Reed Switch Work? The sensor consists of two parts: a magnet (mounted on the moving part, e.g., a window sash) and a sensor (mounted on the fixed part, e.g., a frame). When

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