LiftMaster S504AL Monitored Small Profile Resistive Edge

The LiftMaster S504AL is a professional-grade monitored safety edge designed to provide reliable obstruction detection for automated gate systems. This UL 325-compliant device features a small profile design with aluminum channel mounting, offering both safety and durability for commercial and residential gate applications.

Notable Features

• Monitored resistive edge technology
• UL 325 (2016) compliant
• Aluminum channel mounting system
• Versatile installation options
• Weather-resistant construction
• Comprehensive safety monitoring
• Quick response sensing

Technical Specifications

Construction

• Profile: Small form factor design
• Channel: 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

• Monitored sensing technology
• Instant obstruction detection
• Automatic reversal signaling
• Continuous monitoring capability
• Fail-safe operation
• UL 325 compliance
• Real-time status monitoring

Installation Options

• Vertical mounting
• Horizontal mounting
• Multiple mounting positions
• Aluminum channel system
• Pre-assembled design
• Quick-connect cabling

Compatibility

• LiftMaster Gate Operators with Monitored Safety Inputs
• LMWEKITU Wireless Edge Kit
• LMWETXU Transmitter
• Standard gate control systems
• Wireless transmission options
• Hardwired installations

Package Contents

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

Applications

• Sliding gates
• Swing gates
• Industrial gates
• Commercial entrances
• Security barriers
• Automated gates
• Access control systems

Safety Standards

• UL 325 (2016) compliant
• IP65 rated protection
• Professional safety device
• Monitored operation
• Fail-safe design
• Industry-standard compliance

Download Information:

• Specification Sheet