LiftMaster LM21XPBB Extended Performance Release Device, Internal Battery Backup System, UL 864 Revision Compliant
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Key Features
- Maintains fire-door release operation during power outages with an internal battery backup, reducing downtime and safety risks.
- Provides clear trouble and alarm relays for seamless integration with building fire alarm control panels and improved monitoring.
- UL 864 Revision 9 compliance delivers code-level assurance for commercial installations and simplifies inspection processes.
- Streamlines installation and maintenance in gate operator and security environments to lower service costs and deployment time.
- Enhances overall building security and surveillance strategies when tied into access control, fire alarm, or monitoring systems.
Quick Specifications
- Product Model
- LM21XPBB
- Brand Name
- Liftmaster
- Product Name
- LM21XPBB Extended Performance Release Device
- Product Type
- Fire Door Release Device
Product Information Tabs
Overview
Keep fire-rated doors operational and code-compliant during power interruptions with the LiftMaster LM21XPBB Extended Performance Release Device. This fire door release device is engineered for commercial building safety, delivering reliable operation through an internal battery backup and dedicated trouble and alarm relays that communicate directly with a fire alarm control panel. As a LiftMaster solution, the LM21XPBB supports system monitoring and integration across security, access control, and surveillance networks so facility managers gain centralized visibility and faster response times.
Designed to meet UL 864 Revision 9 standards, the LM21XPBB provides the compliance assurance required for high-traffic, mission-critical sites like campuses, healthcare facilities, and industrial campuses. The unit’s extended performance design minimizes nuisance signals while ensuring consistent release performance under load. Simple wiring and proven compatibility with gate operators and building alarm systems reduce installation time and ongoing maintenance demands. Ideal for projects prioritizing safety, monitoring, and uninterrupted operation—specify the LiftMaster LM21XPBB for dependable fire door release performance and streamlined compliance. Contact sales to integrate it into your security and fire alarm strategy.
Features
- Maintains fire-door release operation during power outages with an internal battery backup, reducing downtime and safety risks.
- Provides clear trouble and alarm relays for seamless integration with building fire alarm control panels and improved monitoring.
- UL 864 Revision 9 compliance delivers code-level assurance for commercial installations and simplifies inspection processes.
- Streamlines installation and maintenance in gate operator and security environments to lower service costs and deployment time.
- Enhances overall building security and surveillance strategies when tied into access control, fire alarm, or monitoring systems.
| General Information | |
|---|---|
| Brand Name | Liftmaster |
| Manufacturer | The Chamberlain Group, Inc |
| Product Name | LM21XPBB Extended Performance Release Device |
| Product Type | Fire Door Release Device |
| Manufacturer Part Number | LM21XPBB |
| Technical Information | |
| Application/Usage | Alarm System, Building, Fire Alarm Control Panel |
| Others | |
| Model Number Replaces | LM21XPBBVB |
| Miscellaneous | |
| Country of Origin | MX |