![GRI Miniature Aluminum Commercial Switch Set - N.O. - 1" (25.40 mm) Gap - Closed Loop - For Door (Fleet Network) GRI Miniature Aluminum Commercial Switch Set - N.O. - 1" (25.40 mm) Gap - Closed Loop - For Door (Fleet Network)](https://cdn11.bigcommerce.com/s-xwx16vh8tc/images/stencil/500x500/products/403183/1917006/1020373139__90568.1714029060.jpg?c=2)
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The GRI 4110 Series is basically a "vane" switch for use on storage units with overhead doors and latch type locks.Intended to be mounted on a roll up type door channel, the 4110 will not allow the alarms system to arm unless the bolt or latch, which serves as a "shunt" between the reed switch and magnet, is in a locked position. Removal or tampering of the bolt or latch removes the shunting effect and an alarm will be activated when the circuit is opened. Installation notes: Remember, this is a switch that operates on the principles of magnetism. Things with iron will affect how the switch operates. The majority of overhead doors have iron or particles of iron in them. Non-ferrous (no iron) based spacers must be used to insulate the switch from the rail. Isolate (insulate) the 4110 at least 1/4 inch from the mounting rail, the GRI S-41 mounting bracket is suggested. Not doing so will create an unstable environment for the switch and may generate false alarms and other erratic signals. GRI 4110 is to be installed on the slotted channel (side rail) in such a way that when the door is locked, the sliding bolt will pass directly between the uprights of the switch. The locking bolt must have iron in it in order to "block" the magnetic path on the door switch.
The 4110 series is available with 18" stainless steel armored cable (4110A) or 18" jacketed cable (4110). It is a low profile, extruded aluminum switch mounted on an aluminum plate. Optional mounting kit available. All necessary mounting hardware is also provided.
For door applications with larger tracks, GRI now offers a larger heavy duty vane switch. The 4482 has 36" jacketed cable and the 4482A has 36" armored cable. Overall dimensions for the 4482 are 4.5" x 2.75" x .75". Mounting plate and hardware provided.
Contact Form: Form BRecommended Use: DoorPower Source: DC AdapterCountry of Origin: United StatesLimited Warranty: Lifetime[custom-specifications]
Manufacturer: George Risk Industries
Manufacturer Part Number: 4110
Manufacturer Website Address: http://www.grisk.com
Brand Name: GRI
Product Name: Commercial Overhead Door Switch Set
Product Type: Magnetic Contact
Technical Information
Contact Form: Form B
Recommended Use: Door
Power Description
Power Source: DC Adapter
Miscellaneous
Country of Origin: United States
Warranty
Limited Warranty: Lifetime
[/custom-specifications]