LiftMaster LM21XPBB Extended Performance Release Device with Battery Backup bg770 barrier gate enclosure SEA Sunset Plus Infrared Photocell

SEA Sunset Plus Infrared Photocell Specs

the performance of the EXA-2000 may be degraded by using more than 25 feet of cable

The heavy-duty LiftMaster gate opener supports 6

Monitored Safety Inputs: 3 mainboards

and Mega Slide-X

LiftMaster LM21XPBB Extended Performance Release Device with Battery Backup bg770 barrier gate enclosure SEA Sunset Plus Infrared PhotocellLiftMaster LM21XPBB Extended Performance Release Device with Battery Backup The LiftMaster LM21XPBB Release Device is a UL ULC listed normally energized fail safe device designed for use on rolling doors, single slide, center parting level, and inclined track doors. This device is a normally energized fail safe releasing device incorporating state of the art electronic control circuitry. The release device responds to emergency conditions generated