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LiftMaster HDSW24UL 24VDC HD Variable Speed Swing Gate Operator





  • 14 ft - 2800 lbs
  • 16 ft - 2400 lbs
  • 18 ft - 2200 lbs
  • 20 ft - 1800 lbs
  • 22 ft - 1500 lbs
Availability: In stock
  • Moves heavy gates up to 4,500 lbs. (with optional arm-HDLGARM) or 22 ft. length.
  • Continuous-duty gate operation built with a custom heavy-duty gear box, size 80, direct drive 1,600:1 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 13 – 36 sec. for a 90-degree opening.
  • Smooth start/stop operation and mid-travel reversal extend operator hardware life.
  • Standard Arm (included) moves gates up to 2,800 lbs.
  • Custom Reinforced Long Arm (optional) moves gates up to 4,500 lbs.
  • Battery Backup that provides up to 45 cycles and 120 days of standby power.
  • Warranty 5 years commercial, 7 years residential.
  • 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: Tri-Band 310/315/390 MHz frequency
  • 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.

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 (when linked with an access control powered by myQ. Cellular data or Wi-Fi connection required).
Four programmable auxiliary relays accommodate more accessories.
Wireless dual-gate communication synchronizes gate operation and eliminates costly trenching; set speed independently if needed.

Operator Duty Rating: high-cycle, high-temperature continuous duty 120/240V single-phase
Accessory Power: 24VDC 1 A max. output; switched and unswitched power

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: 249 lbs.

Height: 28.04”
Width: 16.37”
Depth: 19.59”

Temperature Specifications
Without Heater: -4°F (-20°C ) to 140°F (60°C)
With Heater: -40°F (-40°C ) to 140°F (60°C)

Variable Gate Speed:
13 – 36 sec for a 90 degree opening

Standard Features:
Inherent Reversing Sensor detects obstructions and reverses gate.
Posilock® automatically closes the gate when it is pushed from the closed limit.

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)