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GRI Aluminum Industrial Wide Gap Switch Sets

44.00 each
List Price:
Our Price:
$28.95 each
New Low Price!
Due in around Fri Sep 19. Stock:
4400-AMfg. Item No.:
GR-4400AHomeTech Item No.:
GR-4400Our Group No.:

Reed Switch, Alum. Industrial
Closed Loop, 36 in. Arm. Cable
Wide Gap, High Security
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Made In The U.S.A.

Made In The U.S.A.

This item is proudly manufactured and/or assembled in the United States of America.
Open or Closed Loop?

Open or Closed Loop?

Closed Loop
When the magnet is next to the switch, the contacts are closed. This is by far the most common type of alarm switch. (AKA: Normally Closed.)
Open Loop
When the magnet is next to the switch, the contacts are open. Uncommon for alarms, more common for access control and automation. (AKA: Normally Open)


GRI's 4400 Switch Series is a heavy duty surface mounted industrial grade contact. A weather resistant rugged aluminum housing and a variety of optional mounting brackets make it ideal for securing chain link gates, overhead garage doors, safes or walk-in freezer doors. Kits include hardware, brackets and mounting instructions.

4400-A Replaces: Sentrol 2505A, Flair 1000-65.


  • Lifetime Warranty
  • UL and ULC approved
  • Armored or jacketed cable
  • Standard gap up to 2 1/2"+
  • DPDT gap up to 2 1/2"
  • 3' standard lead length
  • Weather resistant aluminum housing
  • Ideal for securing chain link fence
  • Longer leads or jacketed cable on request
  • Variety of optional mounting brackets available
  • Switches or magnets are available separately
  • Supervisory loops available

Related Documents


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Image 2: 4400-A
Image 2: 4400-A

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