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Liftmaster LM21XPBB Release Device with Battery Backup Hot on Sale

0 out of 5

$51.00

SKU: US-6734199947375 Categories: ,

Description

Find your dream Liftmaster LM21XPBB Release Device with Battery Backup Hot on Sale

Liftmaster LM21XPBB Extended Performance Release Device with Battery Backup

***Special order. Not eligible for return***

The LiftMaster® LM21XPBB 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 devices 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 fusible link system. The release device can be powered from 120Vac, 24 Vac, or 24Vdc. The24Vdc cannot be sourced from a fire alarm control panel or UL1481regulated power supply. The devices can be activated via a smoke detector or an alarm relay from the panel’s Form C dry contact relay.

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.
  • Testing function allows routine fire door testing without requiring activation of the smoke detector.
  • Audible trouble sounder to indicate when the release device is not operational.
  • Diagnostic feedback LEDs.
  • Battery backup for the release device and accessories.
  • Battery management system that can provide 24Vdc power for up to four smoke detectors and two horn strobes.

 

Download Manual

 

size chest(in.) waist(in.) hips(in.)
XS 34-36 27-29 34.5-36.5
S 36-38 29-31 36.5-38.5
M 38-40 31-33 38.5-40.5
L 40-42 33-36 40.5-43.5
XL 42-45 36-40 43.5-47.5
XXL 45-48 40-44 47.5-51.5