Fire-Lite MR-101/T Single SPDT Relay with LED and Track Mounting Hardware, UL Recognized

Engineered for dependable, long-term switching in life-safety and building-control applications, the Fire-Lite MR-101/T Single SPDT Relay from Fire-Lite Alarms by Honeywell delivers continuous-duty performance where reliability matters most. This SPDT relay is UL‑recognized and rated for up to 10,000,000 mechanical operations, giving integrators and facility managers a low-maintenance solution for fire alarm, security, HVAC and energy management systems. The MR-101/T includes a bright LED status indicator for rapid troubleshooting and on-site verification, and its track-mount hardware plus compact 3" x 2.1" x 1.5" enclosure streamlines installation in standard control cabinets. Compatible with monitoring, surveillance and lighting-control systems, this relay supports seamless integration into existing building automation and security platforms. Backed by a 3-year limited warranty and U.S.-made quality, the MR-101/T is ideal for installers and system integrators who need a robust, service-friendly relay for critical monitoring and control circuits. Add the MR-101/T to your next fire alarm or security project — contact sales or order online to simplify installation and improve system reliability.

• Reliable continuous-duty SPDT switching for critical fire, security and HVAC control
• UL‑recognized construction rated for 10,000,000 mechanical operations to minimize downtime and service costs
• Integrated LED status indicator for fast field diagnostics and monitoring
• Track-mount hardware and compact 3" x 2.1" x 1.5" footprint for quick installation in standard cabinets
• Broad compatibility with fire alarm, HVAC, lighting control and energy management systems for flexible integration