LiftMaster L504AL Monitored Large Profile Resistive Edge

The LiftMaster L504AL is a professional-grade 4-foot monitored safety edge featuring a large profile design for enhanced sensitivity and protection. This UL 325-compliant device combines a compact length with heavy-duty construction, making it ideal for industrial and commercial gate applications requiring robust safety measures in standard-width entrances.

Standout Features

• 4-foot large profile monitored edge
• Enhanced sensitivity design
• UL 325 (2016) compliant
• Heavy-duty aluminum channel mounting
• Industrial-grade construction
• Comprehensive safety monitoring
• Extended detection surface

Technical Specifications

Construction

• Profile: Large form factor design
• Channel: Heavy-duty aluminum mounting track
• Length: 4 feet (1.22m)
• Rating: IP65 weatherproof
• Temperature Range: -40°C to +65°C (-40°F to 149°F)

Safety Features

• Large surface area monitoring
• Enhanced pressure sensitivity
• Immediate obstruction detection
• Automatic reversal signaling
• Continuous monitoring capability
• Fail-safe operation
• UL 325 compliance

Installation Options

• Vertical mounting
• Horizontal mounting
• Industrial-grade mounting system
• Aluminum channel support
• Pre-assembled design
• Professional installation ready

Compatibility

• LiftMaster Gate Operators with Monitored Safety Inputs
• LMWEKITU Wireless Edge Kit
• LMWETXU Transmitter
• Industrial gate systems
• Commercial control systems
• Wireless or hardwired setup

Package Contents

• 4ft Large Edge Profile (1)
• Aluminum mounting channel (1)
• End caps set (1)
• 3ft connecting cable (1)
• Installation instructions
• Mounting hardware

Applications

• Standard industrial gates
• Equipment access points
• Commercial entrances
• Loading dock areas
• Security barriers
• Automated gates
• High-risk areas

Safety Standards

• UL 325 (2016) compliant
• IP65 rated protection
• Industrial safety rated
• Continuous monitoring
• Fail-safe operation
• Professional certification

Download Information:

• Specification Sheet