Description
The LA400PKGUL Dual Arm Package is LiftMaster’s smart, solar-ready swing gate automation system engineered for dual-leaf residential and light commercial gates. It delivers reliable, synchronized operation with intelligent control and durable, weather-ready construction.
- Included Components: 24VDC Standard Control Box, (2) LA400DC Actuator Arms (Primary + Secondary), LMRRUL Monitored Retro-Reflective Photo Eye
- Dual-Arm, 24VDC Drive: Two LA400DC actuators provide synchronized operation for dual-leaf gates, enabling smooth, coordinated opening and closing.
- Power & Duty: 120V single-phase input with 24VDC 500mA accessory power; rated for up to 100 cycles per day in residential or light commercial use.
- Motor Technology: P3 Motors® residential/commercial-duty DC platform with precision-machined all-metal worm gear drive for reliable performance and longevity.
- Gate Speed & Synchronization: 90° opening in 15–17 seconds; synchronized close for both leaves; Bi-Part Delay sequencing (primary gate closes last) and Quick-Close functionality.
- Safety & Compliance: Monitored entrapment protection via retro-reflective photo eyes; manual disconnect for emergency operation; Fire Department compliance
- Security & Connectivity: Security+ 2.0® encrypted wireless communication; integrated myQ® smart control platform for remote monitoring and control; LED diagnostic display for setup and troubleshooting
- Wireless & Installation: Wireless dual-gate communication (no trenching required); solar-ready architecture with industrial surge and lightning protection up to 50 ft
- Control & Accessories: Built-in Security+ 2.0® radio receiver; programmable auxiliary relays; Monitored safety inputs (main + expansion boards); HomeLink® compatibility (Compatibility Bridge™ may be required)
- Capacity & Compatibility: Gate leaf up to 16 ft; weight up to 850 lbs per leaf; suitable for dual-leaf residential driveways, gated communities, HOAs, and private estates
The LA400PKGUL model is designed to deliver dependable perimeter automation with modern security and remote capabilities. Its solar-ready architecture, encrypted communications, and myQ integration translate into fewer on-site visits, enhanced security, and real-time visibility for property managers and homeowners. With dual-gate synchronization and a robust safety framework, this package supports larger entrances while maintaining simple, scalable setup for future needs.







