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Sensor Type
Door / Window
Contact Closure / Relay
Ease of Installation
Intermediate (Installs < 60 minutes)
United Security
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Compact, Reliable Snap-In Magentic Door Contact
United Security Products SP200 3/4 Inch Steel Door Contact, Black
United Security Products SP200 3/4 Inch Steel Door Contact, Black
United Security Products SP200 3/4 Inch Steel Door Contact, Black
Item# 79641
Price: Normally $6.60 
Hot Deal $3.48
Free shipping on orders over $175 - See Details


  • 3/4" steel door contact
  • .75" gap
  • Concealed contact 3/4"x1-1/4"
  • Rhodium metal contacts
  • Rare earth magnets
  • 24'" wire lead, 22awg

Essential Info

United Security Products' SP200 is an easy to install, low cost concealed contact. 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.

Also available in 1 Inch.
Important notes:
Defective exchanges for identical item within 30 days of purchase. After 30 days, please contact the manufacturer.
Manufacturer contact information: United Security Products Inc / Emer Call, Tel: (858) 413-0149


2 Ratings
5 star: 100%  (2)
4 star: 0%  (0)
3 star: 0%  (0)
2 star: 0%  (0)
1 star: 0%  (0)
Average Customer Rating
(2 customer ratings)
Share your thoughts with other customers
JACK E. -- knoxville, TN   5/16/2013
The magnetic switch was delivered ahead of schedule and worked perfectly. I found no other source that would sell one switch rather than a package of multiple units.
AL -- wilmington, OH   6/29/2012
Great produce & service.

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