Info

Ideal for heavy gate and extreme applications.

Reliable
Move heavy gates up to 3,000 lbs. at 1 ft./sec.
Continuous-duty gate operation built with a custom heavy-duty gear box, size 70, direct drive 40:1 gear ratio.
Custom 1.5 HP peak brushless DC motor delivers up to 6 million cycles.
Variable cycle speed adjusts to meet application needs from .5 ft./sec. to 1 ft./sec.
Smooth start/stop operation and mid-travel reversal extend operator hardware life.
#40 industrial chain provides a pull strength of 2x the gate weight.
Warranty 5 years commercial, 7 years residential.

Smart
Powered by myQ® for full insight and control over community and facility access points. Monitor and control multiple communities with Smart Community Access. Improve warehouse efficiency and productivity with Smart Facility Access.*
Four programmable auxiliary relays accommodate more accessories.
Wireless dual-gate communication synchronizes gate operation and eliminates costly trenching; set speed independently if needed.

Safe and Secure
Quick close and anti-tailgate quickly secures property, preventing unauthorized access.
Posilock® automatically closes the gate when it is pushed from the closed limit.
UL® listed gate operator with monitored safety entrapment protection devices.

Included Accessories
LMRRUL Monitored Retro Reflective Photo Eye reliable retro-reflective photo eye now with heater and wide beam, engineered to stay aligned; max. Range: 50 ft.
S505AL Monitored Small Profile resistive edge pressure-sensitive edge senses obstructions.

Specs

Mechanics
24VDC brushless continuous-duty motor
Operator Duty Rating: high-cycle, high-temperature continuous duty
Direct Drive
Chain: #40 Industrial

Power
120/240V single-phase
Accessory Power: 24VDC 1 A max. output; switched and unswitched power

Optional Kit
(3PHCONV) to convert a 3-phase input voltage of 208/240/480/575VAC to an output voltage of 120VAC.
Solar-Ready, Ultra-Reliable System delivers power when and where you need it (LMRRUL/LMTBUL – heater option not recommended for solar applications).

Commercial Grade Design
Chassis: Constructed with 1/4 in. Steel, Powder Coated
Cover: High-Density, UV-Resistant Polyethylene Cover for Excellent Heat and Corrosion Resistance
UL® Usage Classification: I, II, III, and IV
Operator Weight: 172 lbs.

Dimensions
Height: 26.51”
Width: 18.14”
Depth: 20.39”

Variable Gate Speed:
.5 ft to 1 ft. per second

Standard Features:
Inherent Reversing Sensor detects obstructions and reverses gate.
Posilock® automatically closes the gate when it is pushed from the closed limit.
Manual Disconnect allows gate to be opened manually when released.
Monitored Safety Inputs 3 main board, 3 expansion board.
Security+ 2.0® On-Board Radio Receiver:
up to 50 remote controls (unlimited with 811LM/813LM).
LED Diagnostic Display simplifies installation and troubleshooting
Programmable Auxiliary Relays: 4 relays make adding additional features easy.
HomeLink® Compatible version 4.0 or higher (may require an external adapter depending on the model and year of your vehicle. Visit HomeLink.com for additional information).

HomeLink® Compatible
Compatibility Bridge™ (not included) necessary for certain vehicles. Visit bridge.liftmaster.com to find out if a Bridge is needed.
HomeLink® is a registered trademark of Gentex Corporation.

Resources

HDSL24UL Product Guide

HDSL24UL Data Sheet

HDSL24UL Brochure

HDSL24UL Installation Manual