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LiftMaster LM21XP
Commercial Garage Door Opener
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High Performance Release Device
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Provides a fail-safe release mechanism for the fire door or shutter.
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Detects when door is closed, so tension is not released from door during alarm activation.
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UL 864 Revision 9 compliant.
FEATURES
Commercial Fire Door Release Devices
High Performance Release Device
Must be used in conjunction with alarm system containing a battery backup.
Works with a fire alarm panel for as a fail-safe release mechanism.
Allows you to connect a manually operated Fire Door to a buildng alarm system.
UL 864 Revision 9 compliant.
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