LiftMaster LA400DC Residential 24VDC Primary Arm is a direct replacement actuator designed for the LA400PKGUL swing gate operator, delivering smooth, reliable gate movement for residential and light commercial installations. Built with advanced safety, smart connectivity, and battery backup support, this primary arm is rated for swing gates up to 16 feet in length or 850 pounds.
24VDC primary linear actuator engineered for LiftMaster LA400 swing gate systems
Rated for gates up to 16 ft. long or weighing up to 850 lbs for consistent residential and light commercial performance
Integrated Security+ 2.0®, safety reversing technology, quick-close capability, and anti-tailgating support
myQ® compatible for remote monitoring, real-time alerts, and gate control from anywhere (Internet Gateway required, sold separately)
UL 325 listed with monitored entrapment protection compatibility, battery backup support, and residential/light commercial duty motor