Liftmaster LA400DCS Replacement Secondary Arm

LiftMaster LA400DCS 24VDC Residential Linear Actuator 

SECONDARY ARM

The LiftMaster LA400DCS is a versatile and reliable secondary swing gate operator designed primarily for residential applications with light commercial capabilities. This advanced system combines innovative technology with durable construction to deliver excellent performance, security, and convenience for gates up to 16 feet in length or weighing up to 850 pounds.

Standout Features

Powerful and Reliable Operation

• P3 Motors: Purpose-built by LiftMaster to meet exact gate operation requirements.
• 24VDC Residential/Commercial-Duty Motor: Delivers smooth and efficient performance in demanding applications.
• Precision-Machined All-Metal Gear Drive: Ensures long-lasting operation.

Safety and Compliance

• UL Listed: Meets standards for usage classes I, II, III, and IV.
• Fire Department Compliant: Auto-opens upon loss of electric, battery, or solar power.
• Monitored Entrapment Protection: Includes retro-reflective photo eyes for obstruction detection.

Technical Specifications

• Operating Temperature: -4°F (-20°C) to 140°F (60°C)
• Gate Travel Speed: 90-degree opening in 15-17 seconds
• Duty Rating: 100 cycles per day
• Weight: Actuator arm 19 lbs.
• Dimensions: Height: 6.06" / Width: 37.96" / Depth: 3.93"
• Surge Protection: Industrial-grade protection against lightning strikes up to 50 feet away

Recommended Capacities

• Gates up to 16 feet in length
• Gates weighing up to 850 pounds

Warranty

• Operator: 2 years
  

What's Included

• (1) LA400DCS
• (1) Connecting Wire

Download Information:

• Specification Sheet
• Installation / User Manual