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LiftMaster Adv. Relay Device withBBU for Gate and Door Openers - LM21-AFCB

LiftMaster Adv. Relay Device withBBU for Gate and Door Openers - LM21-AFCB

LiftMaster Adv. Relay Device withBBU for Gate and Door Openers - LM21-AFCB

This advanced relay controller features built-in battery backup to maintain operation during outages. Designed for use with LiftMaster commercial fire door systems. Ensures automatic closure and alert functionality in emergencies. UL-compliant and reliable for life safety applications.

Part Number: LM21-AFCB
$1,375.27 each $1,375.27 each
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LiftMaster Adv. Relay Device withBBU for Gate and Door Openers - LM21-AFCB

This advanced relay controller features built-in battery backup to maintain operation during outages. Designed for use with LiftMaster commercial fire door systems. Ensures automatic closure and alert functionality in emergencies. UL-compliant and reliable for life safety applications.

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SKU LM21-AFCB
Opener Type Compatibility Gate & Door


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