LiftMaster S504AL Small Profile Resistive Edge with Aluminum Channel, 4'

Deliver dependable safety at the point of contact with the LiftMaster S504AL small-profile resistive edge—engineered for barrier arms and gate systems that require reliable impact detection without bulk. This 4 ft resistive edge in an aluminum channel provides a low-profile footprint that fits neatly on most barrier arms while protecting the sensor from wear and the elements. UL environmental certification gives facility managers confidence in performance and compliance, and the robust aluminum channel reduces maintenance and replacement costs. Quick, straightforward installation saves installer time and lowers project labor costs, and the resistive sensing technology provides consistent actuation for effective vehicle and personnel protection. Ideal for parking access control, perimeter security, and vehicle entry points, the S504AL integrates cleanly with access control, surveillance and monitoring systems to improve overall site safety and reduce liability. Upgrade your barrier arm safety with a durable, code-ready solution—order the LiftMaster S504AL for dependable detection and streamlined deployment.

• Fast, low-cost installation that minimizes downtime and labor on barrier arm deployments
• Compact small-profile design preserves aesthetics while delivering reliable safety for vehicles and personnel
• Aluminum channel protects the resistive edge against impact and weather for long-term durability
• UL environmental certification supports compliance and reduces liability in commercial installations
• Designed for easy integration with access control, surveillance and monitoring systems to enhance perimeter security