GRI 4110-KIT Commercial Overhead Door Switch Set Closed Loop,

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 roll up door channel, the will not allow alarms system arm unless bolt or latch, which serves as “shunt” between reed magnet, in locked position. Removal tampering of removes shunting effect an alarm activated when circuit opened.

Installation notes: Remember, this that operates principles magnetism. Things iron affect how operates. majority have particles them. Non-ferrous (no iron) based spacers must used insulate from rail. Isolate (insulate) at least 1/4 inch mounting rail, S-41 bracket suggested. doing so create unstable environment may generate false other erratic signals.

GRI installed slotted channel (side rail) such way locked, sliding pass directly uprights switch. locking it order “block” magnetic path available 18” stainless steel armored cable (4110A) jacketed (4110). low profile, extruded aluminum plate. Optional kit available. All necessary hardware also provided.

applications larger tracks, now offers heavy duty vane 4482 has 36” 4482A cable. Overall dimensions are 4.5” x 2.75” .75”. plate provided.

Features

• Latch protection
• Vane shunt
• Cost effective
• Easy installation
• Armored cable