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Liftmaster CSL24UL 24VDC Slide Gate Operator (CSL24UL)

Liftmaster CSL24UL 24VDC Slide Gate Operator

CSL24UL features a battery backup that provides up to 208 cycles or 24 days of standby power.

  • Battery Backup provides seamless access by providing standby power when the power is down.
  • Commercial Gear-Driven Transmission provides unsurpassed reliability.
  • Smooth start/stop operation and mid-travel reversal extend operator hardware life.
  • 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.
  • Quick Close and Anti-Tailgate quickly secures the property, preventing unauthorized access.
  • Fire Department Compliance allows gate to auto-open upon loss of ac power or battery depletion.
  • Manual Disconnect when unlocked allows gate to be opened manually.
  • 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.

  • 24VDC Continuous duty
  • Operator Duty Rating: high-cycle, high-temperature continuous duty 
  • Wormgear Reduction: Commercial oil-bath gearbox provides 10:1 Wormgear reduction
  • Chain: #41 Black Oxide (30ft. Supplied)
  • 120/230V single-phase
  • Optional Kit (3PHCONV) to convert an input voltage of 208/230/460/575VAC to an output voltage of 120VAC
  • Solar-Ready Ultra-Reliable System delivers power when and where you need it 
  • Accessory Power: 24VDC 500mA output; switched and un-switched power

Commercial Grade Design
  • Chassis: constructed with 1/4 in. gold zinc-plated steel for rust prevention
  • Cover: high-density, UV-resistant polycarbonate 2-piece cover for excellent heat and corrosion resistance 
  • UL® Usage Classification: I, II, III, and IV 
  • Operator Weight: 140 lbs.
  • Height: 25.07”
  • Width: 15.55”
  • Depth: 19.51”

Temperature Specifications When Cold: 
  • Without heater: -4°F (-20°C)
  • With heater: (HTR) -40°F (-40°C)
Temperature Specifications When Hot:
  • Without heater: 140°F (60°C)
  • With heater: (HTR) 140°F (60°C)
Gate Speed
  • 12” per second

Standard Features:
  • Inherent Reversing Sensor detects obstructions and reverses gate when closing or stops/reverses gate when opening
  • Posilock® automatically closes the gate when it is pushed from the closed limit
  • 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.)
This gate operator qualifies for a 30% tax credit

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