Light Commercial Gate Automation with Residential Simplicity and Solar-Ready Power
The LiftMaster RSL12UL is a 12VDC slide gate operator designed for residential and light-commercial properties that demand performance, reliability, and quiet operation. Ideal for gated driveways, small communities, and private lots, this model delivers up to 120 cycles per day, supporting gates up to 25 feet in length or 800 lbs.
Built with commercial-grade internal components, weather-resistant protection, and smart control compatibility, the RSL12UL provides dependable gate automation, solar-ready configuration, and UL325 safety compliance right out of the box.
What’s Included
- LiftMaster RSL12UL Slide Gate Operator (12VDC Motor)
- LMRRUL Monitored Retroreflective Photo Eye (w/ Protective Hood)
- S505AL 5’ Resistive Safety Edge
- 25 ft. #41 Black Oxide Chain
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Two FREE Remote Transmitters with Visor Clips
(Remote models may vary based on availability)
Key Features
Reliable Light Commercial Performance
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Rated for 120 Cycles/Day: Ideal for residential properties or light-duty commercial lots.
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Gate Capacity: Supports gates up to 25 ft long or 800 lbs.
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P3 Motor: 12VDC continuous-duty motor built for consistent, quiet operation.
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Oil-Bath Gearbox: 15:1 worm gear ratio with sealed lubrication system for long-term durability.
Smart & Secure Access
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Security+ 2.0® Technology: Encrypted remote signal prevents interference and supports up to 50 remotes.
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HomeLink® Compatible: Supports vehicle integration (Version 4 and higher).
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LED Diagnostic Display: Simplifies installation and troubleshooting with real-time system feedback.
Solar Ready & Efficient
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Solar Power Compatible: Easily convert to solar operation with an add-on panel (sold separately).
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Low Voltage Power Supply: Efficient operation with 12VDC system for remote or off-grid locations.
Safety & UL325 Compliance
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Included Safety Devices: Comes with a monitored photo eye and 5’ resistive safety edge for full compliance.
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Smooth Start/Stop: Reduces mechanical wear and enhances user safety.
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Temperature Tolerance: Operates in -4°F to 140°F standard; down to -40°F with optional heater.
Technical Specifications
Specification |
Details |
Model |
RSL12UL |
Power Type |
12VDC or Solar Power |
Cycle Rating |
120 cycles/day |
Gate Length Capacity |
Up to 25 ft |
Gate Weight Capacity |
Up to 800 lbs |
Motor Type |
P3 12VDC Continuous Duty |
Accessory Power Output |
12VDC 500mA (switched and unswitched) |
Chassis |
¼" Gold Zinc-Plated Steel |
Gear Reduction |
15:1 Oil-Bath Worm Gearbox |
Cover |
UV-Resistant Polyethylene |
Operator Weight |
100 lbs |
Operating Temp Range |
-4°F to 140°F (w/ optional heater: -40°F) |
UL Classification |
UL325 Class I, II, III, IV |
Warranty |
3 Years Manufacturer Warranty |

Optional Accessories (Sold Separately)
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Solar Panel Kit – Enables off-grid operation.
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Heater Kit (HTR) – For sub-zero climates.
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LiftMaster MyQ Gateway – For remote app control (MyQ not included in base unit).
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Loop Detectors, Keypads, and Access Panels – Expand your access options.
Frequently Asked Questions (FAQs)
Q: Can this gate opener be used for commercial sites?
A: Yes, it’s ideal for light-commercial use, supporting 120 daily cycles.
Q: Is this gate opener solar compatible?
A: Absolutely. It’s solar-ready with the addition of a panel kit (sold separately).
Q: Is the RSL12UL UL325 compliant?
A: Yes. It includes all necessary monitored safety devices for compliance.
Q: Can I control this gate with my phone?
A: The RSL12UL can be paired with LiftMaster MyQ using an optional gateway for remote control.
Q: What happens in extreme cold?
A: An optional heater kit (HTR) allows reliable operation down to -40°F.
Q: Who do I contact for setup help or system compatibility?
A: Contact our support team at +15056052205 or email support@gatemasterpros.com.
Important Notes
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Solar Kit Sold Separately – Required for off-grid operation.
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MyQ Control Requires Gateway – Add LiftMaster Internet Gateway for smart access.
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Professional Installation Recommended for best performance and compliance.
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Remote Image Disclaimer – Actual remote model shipped may vary from image.
Product Manuals