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LM21XPBB - Extended Performance Release Device

The XPBB release device provides the functionality of a standalone fire alarm system including battery backup for installations prone to power outages or the existing alarm system is unable to support the door release system.
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  • UL864 Revision 9 compliant
  • Programmable DIP switch delay setting - either 10, 20, 30, or 60 seconds delay of door release to permit passage clearance
  • Inputs for normally open 2- or 4-wire detectors and 4-wire normally closed detectors
  • Trouble and alarm relays for communication with the fire alarm control panel, if required
  • Audible trouble sounder to indicate when the release device is not operational
  • On board diagnostic LEDs for easy troubleshooting
  • Testing function allows routine fire door testing without requiring activation of the smoke detector
  • Model LM21XPBBVB is equipped with a voice board to broadcast a pre-recorded voice evacuation message

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