LiftMaster LM21XPBB Extended Performance Release Device with Battery Backup sea swing gate This is a replacement Pulley

This is a replacement Pulley (8"x5/8" 4L Belt)

65000 cards

Electro-mechanical barrier 24V for intensive/very intensive use for lane width from 2 up to 6m

Operation Temperature: 0 degree C 55 degree C

LiftMaster 20-3075C-4

LiftMaster LM21XPBB Extended Performance Release Device with Battery Backup sea swing gate This is a replacement PulleyLiftMaster 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