Potter RLY-5 Relay Expander

Scale relay control across your fire and security infrastructure with the Potter Electric Signal RLY-5 relay expander. Designed for use with compatible Potter fire alarm control panels, the RLY-5 delivers five user-configurable relay outputs so you can add dedicated I/O for monitoring, supervisory circuits, HVAC shutdown, or access and surveillance integration without replacing the main panel. Communication over the RS-485 (P-Link) bus enables long runs — up to 6,500 feet — and supports up to 31 RLY-5 modules per panel for large or distributed sites. Each relay is rated for common field loads (24V DC/3.0A and 125V AC/3.0A resistive), ensuring dependable switching for auxiliary devices. UUKL listing for smoke control, compact stacker-bracket mounting, and a 5-year limited warranty make the RLY-5 a reliable choice for fire alarm, security, and monitoring applications. Ideal for integrators and facility managers who need flexible, scalable relay outputs to support surveillance, access control, and life-safety systems — contact sales or order the RLY-5 to expand your panel’s capabilities today.

• Adds five user-configurable relay outputs to expand control capacity for fire and security systems
• Seamless RS-485 (P-Link) integration for reliable communication up to 6,500 ft, simplifying system wiring and layout
• Scalable solution — support up to 31 RLY-5 modules per panel to grow with facility needs
• UUKL listing for smoke control and a 5-year warranty provide confidence for life-safety installations
• Compact mounting with included stacker bracket for easy installation in crowded control cabinets