Complete Single Gate Automation with Smart Connectivity and Built-In Safety
The LiftMaster LA400PKGUL Swing Gate Opener is a comprehensive, heavy-duty gate automation system designed for single residential or light commercial swing gates. Engineered for up to 100 cycles per day, this system is ideal for properties needing secure and consistent entry control.
Powered by a 24VDC continuous-duty motor, the LA400PKGUL package includes the LA400DC primary actuator, standard control box, battery backup, and a monitored photo eye for UL325 compliance. This opener integrates seamlessly with LiftMaster’s MyQ® platform, giving you full access control from your smartphone.
What’s Included
- Primary Arm – LA400DC
- Standard Control Box with Integrated Battery Backup
- Monitored Retro-Reflective Photo Eye (LMRRUL)
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Two FREE Remote Transmitters with Visor Clips
(Model may vary based on availability)
- (2) 7Ah Backup Batteries
- Complete Mounting Hardware and Wiring
Key Features
Smart Control & Connectivity
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MyQ® App Compatible: Control and monitor your gate remotely using the MyQ smartphone app (requires optional Internet Gateway).
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Real-Time Alerts: Receive status notifications and close your gate from anywhere.
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Security+ 2.0® Radio Receiver: Tri-band encrypted signal supports up to 50 remotes and eliminates interference.
Safety & Compliance
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UL325 Certified: Meets the highest safety standards with included monitored photo eye.
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Inherent and External Obstruction Sensing: Prevents accidents by stopping or reversing gate motion when an object is detected.
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Quick Close Feature: Closes the gate immediately after a vehicle enters (requires optional expansion board).
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Manual Emergency Release: Allows gate to be manually operated in power outages.
Reliable Performance
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24VDC P3 Motor®: Continuous-duty motor built for quiet, efficient performance.
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Heavy-Duty Construction: Cast aluminum arm and gold zinc-plated steel chassis for corrosion resistance.
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Precision Worm Gear Drive: Ensures long-lasting reliability and low maintenance.
Specifications
Specification |
Details |
Power Source |
24VDC (AC or Solar Compatible) |
Operator Duty Rating |
100 cycles/day |
Max Gate Length |
16 ft |
Max Gate Weight |
850 lbs |
Gate Speed |
90° in 17–18 seconds |
Gear Drive |
All-metal precision worm gear |
Accessory Output |
24VDC 500mA (switched & unswitched) |
Motor Type |
P3 Motor® 24VDC Continuous Duty |
Chassis |
1/4" Zinc-Plated Steel |
UL Usage Class |
I, II, III, IV |
Warranty |
2 Years Manufacturer Warranty |

Optional Accessories (Sold Separately)
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Push-to-Open Bracket Kit (Model 50-19503) – Required for outward swinging gate installations.
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MyQ Internet Gateway – Enables smartphone control via the MyQ app.
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Expansion Control Board (K1D8387-1CC) – Adds support for plug-in loops, relays, and extra features.
Frequently Asked Questions (FAQs)
Q: Is this kit ready for installation out of the box?
A: Yes, it includes the primary actuator, control box, battery backup, photo eye, remotes, and all required mounting hardware.
Q: Is it solar compatible?
A: Yes, the system can operate on solar power with the addition of a solar panel (not included).
Q: Is it UL325 compliant?
A: Yes, the included monitored photo eye ensures compliance. Additional devices may be recommended depending on the installation.
Q: Can I control this with my smartphone?
A: Yes, with the optional MyQ Internet Gateway, you can control and monitor the gate remotely via the MyQ app.
Q: What is the daily cycle capacity?
A: It’s rated for up to 100 cycles per day, making it suitable for residential and light commercial properties.
Q: Who can I contact for support or installation help?
A: Call us at +15056052205 or email support@gatemasterpros.com for expert assistance.
Important Notes
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Wind Load Warning: Performance may vary under strong wind conditions. Consider a pad-mounted operator such as the CSW24UL for windy areas.
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UL325 Requirement: The included monitored safety sensor must be installed for safe and compliant operation.
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Image Disclaimer: Remote control images are for demonstration only; actual model shipped may vary.
Product Manuals