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LM21XP - High Performance Release Device

The XP fire door release device in conjunction with a fire alarm panel provides a fail-safe release mechanism for the fire door or shutter.
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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 passageway clearance
  • Close door detection - prevents door release if the door is kept in the closed position and eliminates door reset service calls or potential system damage
  • On board diagnostic LEDs for early troubleshooting
  • Testing function allows routine fire door testing without requiring activation of the central alarm system; easy reset function returns the device to a standby state

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