LiftMaster Extended Performance Release Device | LIF-LM21XP

LiftMasterSKU: LIF-LM21XP

Price:
Sale price$382.20

LiftMaster Extended Performance Release Device | LIF-LM21XP

The LiftMaster LM21XP Release Device is a UL/ULC listed normally energized fail-safe device designed for use on rolling doors, single-slide, center-parting level, and inclined track doors. This device is a normally energized fail-safe releasing device incorporating state-of-the-art electronic control circuitry.

The release device responds to emergency conditions generated from an automatic initiating device and is used in conjunction with a temperature fuse link system. This device is designated to be used with manual doors but can be used on motorized doors incorporating a fusible link assembly and drop-out mechanism.

The release device must be powered from 24Vdc received from an approved UL 1481 regulated power supply with battery backup.

LiftMaster Business Connectivity Monitor and Control
Features
  • UL 864 Revision 9 compliant.
  • Selectable 10, 20, 30, or 60-second delay on alarm.
  • Closed-door detection capabilities.
  • Form C relay outputs for the transmission of alarm and trouble signals transmitted to the fire alarm control panel.
  • The testing function allows routine fire door testing without requiring activation of the central alarm system; the easy reset function returns the device to a standby state.
  • Audible trouble sounder.
  • Diagnostic feedback LEDs.
Product Literature

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