The SP200 from United Security Products is specially designed for installation in metal doors, this sensor unit eliminates problems with sensors designed for doors made of other materials. This unit is comprised of a wired, closed circuit switch and a magnet. This simple contact requires no glue or epoxy to install.
- 3/4" steel door contact
- .75" gap
- Concealed contact 3/4"x1-1/4"
- Rhodium metal contacts
- Rare earth magnets
- 24'" wire lead, 22awg
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