LiftMaster LM21XP Extended Performance Release Device SEA solar kit To be 2018 UL325 Compliant

To be 2018 UL325 Compliant it is mandatory for each slide gate system to have at least two functioning SAFETY DEVICES

Compatible with all USAutomatic receivers

LiftMaster 038024K

Normally open contact activates for 0

full-duplex telephone communications between visitors and residents for granting access

LiftMaster LM21XP Extended Performance Release Device SEA solar kit To be 2018 UL325 CompliantLiftMaster LM21XP Extended Performance Release Device The LiftMaster LM21XP 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 from an automatic