The United Security Products BP33-A Mini OHD Contact with Adjustable Magnet is engineered for both industrial and residential overhead doors, offering versatility and durability. Its robust aluminum construction and waterproof design ensure reliability in various environments, while the adjustable magnet allows for easy customization of the installation. With premium materials and a compact size, this contact switch is the perfect solution for securing large or loose fitting doors.
United Security Products BP33-A Features
- Extra wide gap: 2.25″ spacing accommodates a variety of door designs for enhanced flexibility.
- Rugged aluminum construction: Ensures long-lasting durability in any environment, reducing the need for frequent replacements.
- Miniature size: Compact dimensions of 3.5″ x 1.5″ make it easy to install without taking up excessive space.
- Premium rhodium metal contacts: Provides reliable electrical connectivity, enhancing the overall performance of the system.
- Alnico 5 magnets: Delivers strong magnetic attraction for secure operation and prevents accidental disengagement.
- Closed circuit: Ensures an efficient security system by maintaining a reliable connection when doors are closed.
- Armored stainless steel cable: With an 18″ length, it protects wiring from damage while allowing flexibility in installation.
United Security Products BP33-A Detailed Specifications
| Feature | Details |
| Gap Size | 2.25 inches |
| Construction Material | Aluminum with epoxy seal |
| Dimensions | 3.5″ x 1.5″ |
| Contact Material | Rhodium |
| Magnet Type | Alnico 5 |
| Operation Type | Closed circuit |
| Cable Type | Armored stainless steel |
| Bracket Type | Adjustable aluminum “L” bracket |
| Sealing | Waterproof and hermetically sealed |
| Application | Industrial and residential overhead doors |



















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