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Liftmaster SL3000UL AC Slide Gate Operator (SL3000UL)

Liftmaster SL3000UL AC Slide Gate Operator

SL3000UL features a continuous-duty high temperature motor.

  • Legacy elite heavy-duty commercial gear-driven transmission provides unsurpassed reliability. 
  • Limit switch design provides precision limit accuracy and reliability. 
  • Surge suppression provides industrial surge and lightning protection against strikes up to 50 feet away. 
  • Warranty 5 years commercial, 7 years residential.
  • MyQ® Technology enables you to securely control and monitor your gate operator from anywhere.
  • Wireless dual-gate communication synchronizes gate opening/ closing and eliminates expensive driveway trenching costs.
Safe and Secure
  • Security+ 2.0® Safeguards access with an encrypted tri-band signal to virtually eliminate interference and offer extended range.
  • Inherent reversing sensor detects obstructions and reverses gate when closing or stops/reverses the gate when opening.
  • Pre-motion warning alarm activates on-board alarm 3 seconds prior to gate motion.
  • Manual disconnect when unlocked allows gate to be operated manually.
  • Quick close and anti-tailgate quickly secure property, preventing unauthorized access.
  • UL® Listed Gate operators with monitored safety entrapment protection devices.
Included Accessories: 
  • LMRRUL Monitored Retro Reflective 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. 

  • Continuous-Duty Motor with Class H Insulation is rated for high-cycle, high-temperature applications (available in 1/2 and 1 HP)
  • Operator Duty Rating: Continuous Duty
  • Wormgear Reduction: Commercial oil-bath gearbox providing 30:1 Wormgear Reduction
  • Chain: #41 Black Oxide (25ft. Supplied)
  • 115V Single-Phase
  • Accessory Power: 24VDC 500mA output
  • 2 Auxiliary Outlets
  • Optional Kit (3PHCONV) to convert an input voltage of 208/240/480/575VAC to an output Voltage of 115VAC
Commercial-Grade Design
  • Chassis: constructed with 1/4 in. gold zinc-plated steel for rust prevention
  • Cover: High-Density, UV-Resistant , 1-Piece Polyethylene plastic for excellent heat and corrosion resistance
  • UL® Usage Classification: I, II, III and IV
  • Operator weight: 140 lbs.
  • Height: 26.51”
  • Width: 18.14”
  • Depth: 20.39”
Temperature Specifications
  • Without heater: -4°F (-20°C ) to 140°F (60°C
  • With optional heater: (HTRNB) -40°F (-40°C ) to 140°F (60°C)
Gate Travel Speed
  • 12” 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 boards
  • 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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