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Sensor Type
Door / Window
Contact Closure / Relay
Water Resistant
Normal State
Normally Closed
Ease of Installation
Intermediate (Installs < 60 minutes)
United Security
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Protect Your Largest Doors and Gates
United Security Products BP-33 Rugged Aluminum Wide Gap Overhead Contact
United Security Products BP-33 Rugged Aluminum Wide Gap Overhead Contact
United Security Products BP-33 Rugged Aluminum Wide Gap Overhead Contact
Item# 79659
Price: Normally $19.80 
Hot Deal $13.56
Free shipping on orders over $175 - See Details


  • Extra Wide 2.25" GAP
  • Rugged Aluminum Construction
  • Miniature 3.5" x 1.5" Size
  • Premium Rhodium Metal Contacts
  • Alnico 5 Magnets
  • Closed Circuit

Essential Info

The United Security Products BP-33 Rugged Aluminum Wide Gap Overhead Contact is designed for use on industrial or residential overhead doors, such as garage doors. The BP3-A is also ideal for any other large or loose-fitting doors. The switch is contained in an aluminum casting and secured with a high grade epoxy seal. The premium Alnico 5 magnet is contained in a plastic casting and secured with the same high grade epoxy seal. An aluminum "L" bracket is provided with the magnet allowing adjustable mounting of the spacing between the switch and magnet. The wiring of the switch is protected in a flexible stainless steel tube. The BP33-A switches are completely waterproof and hermetically sealed, therefore allowing them to be used in all exposed applications.

What's Included

  • 1x - Rugged Aluminum Wide Gap Overhead Contact
  • 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


    6 Ratings
    5 star: 67%  (4)
    4 star: 17%  (1)
    3 star: 0%  (0)
    2 star: 17%  (1)
    1 star: 0%  (0)
    Average Customer Rating
    (6 customer ratings)
    Share your thoughts with other customers
    KENT -- fayetteville, NC   1/12/2012
    Well built. Works as described and a bargain at the price.
    ROBERT -- philadelphia, PA   11/21/2011
    Real nice product.
    Wteberry -- California   11/5/2011
    Initially worked very well. But now 1 year later intermittenly opens causing false alarms. 1/2 installation gap Four times so far in 3 months. I have written manufacture for assistance, but no reply. Thought unit was well made Cast magnetic housing but poor customer service and support with problems. Hard to recommend.

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