LiftMaster LM21-AFCB Advanced Fire Control Release Device

LiftMaster LM21-AFCB Advanced Fire Control Release Device

The LiftMaster LM21-AFCB Advanced Fire Control Release Device is designed for motorized doors equipped with a reversing electric safety edge, enhancing fire safety compliance. It features an internal battery backup system and is UL 864 Revision 9 compliant, ensuring adherence to safety standards. This device supports operation with standard commercial electromechanical or solid-state operators and can power up to four smoke detectors along with two horn/strobes or speaker/strobes. Additionally, it includes a programmable DIP switch delay setting for customizable operation timing.

Main Features

• Internal Battery Backup system
• For use with motorized doors incorporating a reversing electric safety edge
• UL 864 Revision 9 compliant
• Works with a standard, commercial electromechanical or solid-state operators
• Powers up to four smoke detectors and two horn/strobes or speaker/strobes
• Programmable DIP switch delay setting