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Overview
Specifications
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Product Overview
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.
Specifications
ADI Part Number O2-LM21AFCB Brand Name Liftmaster Manufacturer Part Number LM21-AFCB
Environmental Certification UL Environmentally Friendly Yes