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Liftmaster SL585UL AC Slide Gate Operator (SL585UL)

Liftmaster SL585UL AC Slide Gate Operator

SL585UL features a heavy- duty industrial lockable metal cover.

  • Heavy-Duty Commercial Gear-Driven Transmission provides unsurpassed reliability.
  • Surge Suppression provides industrial surge and lightning protection against strikes up to 50 feet away.
  • Warranty 2 years.
  • MyQ® Technology enables you to securely control and monitor your gate operator from anywhere.
  • Universal Footprint simplifies retrofit applications by adapting to preexisting pads.
  • Homelink® Compatible (version 4.0 and higher).
Safe and Secure
  • Security+ 2.0® safeguards access with an encrypted tri-band signal to virtually eliminate interference and offer extended range.
  • Manual Disconnect when unlocked allows gate to be operated manually.
  • Quick Close and Anti-tailgate quickly secure property, preventing unauthorized access.
  • Lockout/ tag-out Feature prevents power from being switched on when servicing operator and safeguards workers from high-voltage power.
  • Automatic Solenoid Brake prevents the gate from being back driven.
Included Accessories
  • LMRRUL Monitored Retroreflective Photo Eye enhanced retro-reflective photo eye now with heater and wider polarized beam, engineered to stay aligned; max. Range: 50 ft.

  • S505AL Monitored Small Profile resistive edge pressure-sensitive edge stops and/or reverses gate when obstructed.

  • High-Starting Torque continuous-duty motor (available in 1/2, 1 and 1 1/2 HP)
  • Operator Duty Rating: 20 cycles per hour
  • Wormgear Reduction: 20:1 Wormgear Reducer
  • Adjustable Friction Clutch: helps to protect gate and operator from damage should the gate meet an obstruction
  • Chain: #50 nickel-plated (25ft. supplied)
  • 115/208/230VAC Single-Phase or 208/230/460/575vac 3-phase (575v includes factory-installed heater) (Specify when ordering)
  • Accessory Power: 24VDC 500mA Max.
  • Dual -Voltage Connections: increase flexibility by enabling the installer to select the required voltage, within phase, to meet job-site requirements.
Commercial-Grade Design
  • Chassis: heavy-duty steel chassis and lockable powder-coated steel cover withstands extreme and harsh environments
  • Cover /Frame: weather-resistant, lockable, 16-gauge steel ; 7-gauge pre-galvanized steel frame
  • UL® Usage Classification: I, II, III and IV
  • Operator Weight: 240 lbs.
  • Height: 38.02”
  • Width: 30.63”
  • Depth: 17.30”
Temperature Specifications
Without heater: -4°F (-20°C) to 140°F (60°C)
With optional heater: (HTRNB—HTR460 for 460V operators) 40°F (-40°C) to 140°F (60°C)

Gate Travel Speed
  • 11” per second
Standard Features
  • External Alarm Reset Button: instantly resets the built-in safety alarm siren
  • Mechanical Limit System: maintains accurate gate position throughout gate travel, even after using manual disconnect
  • 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: 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 for additional information.)
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