Commercial-Grade Slide Gate Automation Built for Continuous-Duty Operation
The LiftMaster CSL24UL is a 24VDC commercial slide gate operator designed for high-traffic environments such as business parks, warehouses, manufacturing facilities, and gated communities. Built with durability and security in mind, the CSL24UL supports continuous-duty operation, weather resistance, and full integration with LiftMaster’s MyQ® technology for remote access control.
This complete gate operator system includes a monitored photo eye, resistive safety edge, 25 ft. industrial chain, and two free remotes, making it installation-ready for most commercial applications.
What’s Included
- LiftMaster CSL24UL 24VDC Slide Gate Operator
- LMRRUL Monitored Retroreflective Photo Eye with Protective Hood
- 5’ Resistive Safety Edge
- 25 ft. #41 Black Oxide Industrial Chain
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Two FREE Remote Transmitters with Visor Clips
(Remote model may vary depending on availability)
Key Features
High-Traffic Performance
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Continuous-Duty Rated: Designed to operate gates all day, every day.
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Travel Speed: Opens gates at approximately 12 inches per second.
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Max Gate Capacity: Rated for gates up to 50 ft long or 1,500 lbs.
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P3 24VDC Motor: Quiet, efficient, and thermally protected motor for commercial use.
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Oil-Bath Gearbox: Heavy-duty 10:1 worm gear reduction provides long-term durability.
Smart Control & Automation
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MyQ® Compatible: Monitor, control, and manage gates remotely from any device (requires optional Internet Gateway).
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Programmable Auxiliary Relays: Easily add strobe lights, buzzers, or alarms.
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Quick Close & Anti-Tailgate: Prevents unauthorized entry by quickly closing the gate after a vehicle passes.
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Pre-Motion Alarm: Sounds three seconds before gate movement for added safety.
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HOMELINK® Compatible: Supports vehicle-integrated gate operation (Version 4+).
Safety & Security
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POSILOCK® System: Automatically re-engages and locks the gate when forced off position.
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UL325 Compliant: Includes monitored safety devices for secure, regulation-compliant operation.
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Manual Release: Allows manual gate operation in case of power failure.
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Operating Temp Range: -4°F to 140°F (with optional heater: -40°F to 140°F).
Technical Specifications
Specification |
Details |
Power Supply |
120V/230V Single Phase |
Motor Type |
P3 Motor® – 24VDC Continuous Duty |
Cycle Capacity |
High-Traffic / Continuous Operation |
Gate Speed |
~12 inches per second |
Gate Size |
Up to 50 ft in length, 1,500 lbs |
Gearbox |
Commercial Oil-Bath, 10:1 Worm Gear |
Accessory Power |
24VDC, 500mA (switched & unswitched) |
Temperature Rating |
-4°F to 140°F (w/ heater: -40°F to 140°F) |
Operator Weight |
140 lbs |
Chassis |
¼" Gold Zinc-Plated Steel |
Cover |
UV-Resistant Polycarbonate, 2-Piece |
UL Classification |
UL325 Class I, II, III, IV |
Warranty |
7 Years Residential / 5 Years Commercial |

Optional Accessories (Sold Separately)
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MyQ Internet Gateway – For remote app control and monitoring.
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Heater Kit (HTR) – Enables operation in temperatures as low as -40°F.
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Loop Detectors, Keypads, Access Panels – For enhanced security integration.
Frequently Asked Questions (FAQs)
Q: Is this operator suitable for 24/7 gate use?
A: Yes, it’s designed for continuous operation in high-traffic environments like gated communities or commercial sites.
Q: Does it include all safety devices needed for UL325 compliance?
A: Yes, it includes a monitored photo eye and resistive safety edge. Additional safety accessories can be added if needed.
Q: Can I control the gate with my phone?
A: Yes, the CSL24UL is MyQ® compatible. You’ll need the optional LiftMaster Internet Gateway for app integration.
Q: What is the gate speed?
A: The system operates at approximately 12 inches per second, depending on gate weight and size.
Q: Who can I contact for installation support?
A: Call our expert team at +15056052205 or email support@gatemasterpros.com.
Important Notes
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Installation Footprint: Designed for commercial use; professional installation is highly recommended.
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Wind & Weather: Built to withstand temperature extremes and moisture with optional heater for freezing climates.
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UL325 Safety: At least one monitored safety device is required. Additional safety devices may be necessary based on your setup.
Product Manuals