Smart, Secure Dual Swing Gate Automation for Residential and Light Commercial Use
The LiftMaster LA400PKGUL is a fully equipped dual swing gate opener system designed for residential estates and light commercial properties. Built with LiftMaster’s proven durability and enhanced with smart connectivity and safety features, it’s perfect for users looking for secure and convenient automated access.
This package includes everything needed for installation: primary and secondary actuator arms, control board with battery backup, a monitored photo eye sensor, and two remote transmitters. With a 24VDC P3 continuous-duty motor, solar-ready capability, and compatibility with MyQ® remote monitoring, this system is rated for up to 100 cycles/day and gates up to 16 ft or 850 lbs.
What’s Included
- LA400DC Primary Actuator Arm
- LA400DCS Secondary Actuator Arm
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Standard Control Box with Battery Backup (2 x 7Ah batteries included)
- Monitored Retro-Reflective Photo Eye – LMRRUL
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Two FREE Remote Transmitters with Visor Clips
(Remote model may vary based on availability)
- Wiring Harness and Mounting Hardware
Key Features
Performance & Durability
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24VDC P3 Motor®: Quiet and efficient continuous-duty operation.
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Rated for 100 Cycles/Day: Reliable performance for residential/light commercial use.
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Gate Size Support: Operates gates up to 16 ft long or 850 lbs per leaf.
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Travel Speed: 90-degree opening in 17–18 seconds.
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Battery Backup: Operates during power outages to ensure minimal downtime.
Safety & Compliance
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Photo Eye with Safety Reversing: Stops and reverses gate if obstruction is detected.
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Security+ 2.0® Encryption: Prevents remote signal interference and supports up to 50 remotes.
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UL325 Compliant: Includes one monitored entrapment protection device for full compliance.
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Manual Release: Easy emergency release maintains limit settings.
Smart Access & Expandability
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MyQ® App Compatible: Open, close, and monitor your gate remotely (requires optional LiftMaster Internet Gateway).
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Anti-Tailgate Feature: Optional function quickly closes gate behind vehicles to prevent unauthorized access.
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Solar-Ready System: Easily convert to solar operation with optional solar panel kit.
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Expansion Capabilities: Add external loops, plug-in loops, auxiliary relays, and more with the optional Expansion Control Board (Model K1D8387-1CC).
Specifications
Specification |
Details |
Gate Type |
Dual Swing Gates |
Max Gate Length |
Up to 16 ft per leaf |
Max Gate Weight |
Up to 850 lbs per leaf |
Power Options |
120V/230V AC or Solar (24VDC Operation) |
Cycle Rating |
100 cycles per day |
Motor Type |
24VDC P3 Continuous-Duty |
Accessory Output |
24VDC, 500mA (switched and unswitched) |
Control Board Inputs |
3 main board, 3 optional via expansion board |
Chassis Material |
1/4" Zinc-Plated Steel |
Gear Drive |
Precision-Machined All-Metal Gear |
Operating Temperature |
-4°F to 140°F (-20°C to 60°C) |
UL Usage Class |
I, II, III, IV |
Warranty |
2 Years Manufacturer Warranty |

Optional Accessories (Sold Separately)
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MyQ Internet Gateway – Required for remote app control.
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Push-to-Open Bracket Kit (Model 50-19503) – For outward swing gate installations.
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Expansion Control Board (Model K1D8387-1CC) – Enables quick close, anti-tailgate, loops, relays, etc.
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Solar Panel Kit – Optional for off-grid or hybrid solar power setup.
Frequently Asked Questions (FAQs)
Q: Is this gate opener suitable for commercial use?
A: Yes, it's rated for light commercial applications with up to 100 daily cycles.
Q: Is the LA400PKGUL solar compatible?
A: Yes, the system is solar-ready. Solar panels are sold separately.
Q: Can I control the gate with my smartphone?
A: Yes, with the addition of a LiftMaster MyQ Internet Gateway, you can control and monitor the gate remotely.
Q: Is this opener UL325 compliant?
A: Yes, it includes a monitored photo eye and is UL325 certified for Classes I–IV.
Q: What happens in a power outage?
A: The built-in battery backup maintains operation to prevent downtime.
Q: Who can I contact for installation or technical support?
A: Call +15056052205 or email support@gatemasterpros.com for expert assistance.
Important Notes
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Wind Load Warning: Manufacturer ratings do not account for wind. In high-wind areas, consider using a pad-mounted operator such as the CSW24UL.
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Safety Compliance: Additional monitored entrapment devices may be required depending on installation specifics.
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Image Disclaimer: Remote control images shown are for reference only. Actual model may vary.
Product Manuals