Functional Devices RIB02BDC Relay When the limit switch fails

When the limit switch fails or detects an overheat

If the thermostat is sending 24V to the reversing valve but the slide fails to shift

shifting the load to backup heat for maximum performance

High BTU Capacity: Supports demands up to 250

vibration-resistant fit

Functional Devices RIB02BDC Relay When the limit switch failsThe Functional Devices RIB02BDC is a performance grade enclosed relay designed for high voltage switching applications in commercial HVACR and building automation systems. Built with a 20 Amp SPDT contact rating, this pilot device operates reliably on a 208 277 Vac coil, making it ideal for controlling lighting loads, motor branch circuits, and electric heat stages. The pre packaged design features a 1 2" NPT nipple for direct mounting to electrical