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.
G.R.I.'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.
A standard 3 foot length of stainless steel cable is offered as is a vinyl jacketed CL-2 type cable. Custom cable lengths of either type are available by special request. A case spacer PN #5226 can also be ordered as a separate mounting accessory. Switch sets include all other mounting hardware. A mounting kit PN #8297 is also available for garage door track mounting. The kit includes a 4402-A switch set, brackets and mounting hardware.
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
Name: GRI 4402-A Industrial Surface Mount Switch Set, 2-1/2" Standard Gap, 5W, 175VDC, 0.25A, SPDT, C, Aluminum, George Risk Industries, George Risk Industries
Category: George Risk Industries, Intrusion, Alarm Contacts, Magnetic Contacts
There are so many different technologies on the market: solar, battery, wireless, wired as well as Consumer Grade and Professional Grade versions of these products. How do you know which is right for you? (video)
One size does NOT fit all! Learn how to select the right camera for each location. Optical Zoom vs Digital Zoom, how to capture license plates, color night vision & more. Follow the Pro's tips and get it right the first time. (video)
Most of our customers install the system themselves with our expert factory support, but you may want that clean professional installation completed by a pro. We support both options nationwide and you choose which you prefer. (video)
You choose how you interface with our state-of-the-art-systems. All options are available and any combination of viewing options can be used: direct connect monitors, personal computers, tablets, and smartphones - Super fast, clear, and no monthly fees.
One of the most common requests our customers have is the ability to identify and capture license plates. This can be achieved if you follow the rules and recommendations we detail. It is important that you follow them, simply because capturing a license plate is one of the most challenging tasks for security cameras.
Design your home or business security system like a Pro. Locate cameras and their viewing areas to provide a visual of the effective coverage of each camera and evaluate the overall design. This surveillance system design tool covers it all.
Build a complete custom system for your home or business without any confusion or mistakes. This easy to use tool makes sure you select all the components you need for a complete system. You can even include installation!
CCTV Security systems consist of several electronic parts. The system requires all of them to be operating flawlessly for reliable operation. When one item fails it can be difficult to find the issues because each part relies on the other for system-wide operation. Follow these simple step-by-step instructions and you'll quickly identify the part causing the problem.
US government banned the use of Dahua, Lorex, Hikvision and other security cameras in federal facilities due to hidden backdoors. In June 2021, the FCC unanimously voted to start procedures to ban the sale of these brands to the general public by denying new products FCC approval.
The NDAA law banned the use of electronic equipment provided by specific companies. What’s interesting about the law is that it bans companies rather than countries. It ignores borders and focuses on individual entities.
Fun & Interesting How-to Videos
Subscribe to our Youtube channel and learn how the experts get it right the first time!