LiftMaster LA500DCS Secondary Arm

Overview

The LiftMaster LA500DCS Secondary Arm pairs with the LA500 gate operator to enable bi-part gate configurations. It includes 40 feet of wire and leverages Wireless Dual-Gate Communication to eliminate expensive conduit runs and avoid unsightly driveway cuts.

Key Features

• MyQ Technology — securely control and monitor your gate operator from anywhere and receive activity notifications through the MyQ App
• Wireless Dual-Gate Communication — eliminates expensive conduit costs and avoids unsightly driveway scars
• Battery Backup — provides up to 500 cycles or up to 24 days of standby power when AC power is unavailable
• P3 Motors — purpose-built motor designed to meet application requirements
• Commercial-duty cast-aluminum housing
• Wormgear reduction with precision-machined all-metal gear
• Soft start/stop operation
• Electronic limit setting
• 2-digit LED diagnostic display
• Integrated Plug-In Loop Detector inputs
• Keyed manual disconnect
• 2 auxiliary power outlets
• Timer-to-Close
• Party Pass — selectable hold-open feature
• Bi-part delay
• Surge suppression and lightning protection up to 50 ft. away
• Pre-motion warning alarm
• Synchronized close
• Fire department compliance — auto open on AC failure or battery depletion

Safety

• Includes Monitored Retro-Reflective Photo Eye (LMRRU)
• Monitored safety inputs with colored terminal blocks (3 on main board, 3 on optional expansion board)
• Inherent reversing sensor detects obstructions or increased loads — reverses gate when closing or stops/reverses when opening
• UL/cUL Listed, tested to the most stringent industry guidelines

Connectivity & Access Control

• Security+ 2.0 Technology — tri-band signal that virtually eliminates interference and offers extended range each time a remote is used
• 3-channel receiver — OPEN/CLOSE/STOP
• Compatible with HomeLink version 4 and higher
• Receiver stores up to 50 remote controls (unlimited with 811LM/813LM)

Specifications

• Manufacturer Part Number: LA500DCS
• Brand: LiftMaster
• Included Wire: 40 feet

The LiftMaster LA500DCS Secondary Arm delivers reliable, professional-grade performance for bi-part gate installations requiring wireless dual-gate communication and comprehensive safety features.