The United Security Products 90-SP Micro-Miniature Magnetic Contact is a powerful, reliable magnetic contact that easily installs to monitor a door, window, or other opening. This kit contains a sensor and magnet as well as covers and spacers. Rare Earth Magnets and rhodium metal contacts ensure reliability and allow the sensor to work with a gap of up to 0.6 inch. Each switch is welded with a solid brass splice in order to provide the strongest connection possible.
- Micro-miniature size: only 1" x 1/4" x 1/8"
- Strong magnet allows a 0.6" gap
- Rhodium contacts assure good conductivity and long life
- Normally Closed when magnet is next to switch
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