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The FUNCTIONAL DEVICES ribm2402d is a panel-mount pilot relay designed for low-voltage and line-voltage control circuits in commercial and residential HVAC, lighting, and building automation applications. It features a double-pole double-throw (DPDT) contact configuration rated at 10 amps, giving technicians two independently switchable circuits in a single compact relay body. The coil accepts 24 Vac or 24 Vdc control signals as well as 208 to 277 Vac, making it adaptable across a wide range of building control systems. The relay body measures 4.00 inches in length and 1.70 inches in width and mounts directly to standard DIN rail or panel track.
This relay is suited for panel integration in commercial HVAC control panels, energy management systems, and lighting control applications where a pilot relay is required to switch loads or interface between low-voltage controls and line-voltage circuits. Its track-mount design speeds installation in organized wiring panels and allows for straightforward replacement in the field. Licensed electricians and HVAC controls technicians are the typical installers for this type of device.
Designed as an OEM-style panel relay for use in DIN rail or track-mount control enclosures requiring a 10-amp DPDT pilot relay with a 24 Vac/dc or 208-277 Vac coil.
Installation should be performed by a licensed electrician or qualified HVAC controls technician in accordance with applicable NEC requirements. De-energize the control panel and verify the absence of voltage before installing or replacing the relay. Confirm that the control signal voltage matches one of the rated coil voltage ranges before energizing. Secure the relay firmly to the DIN rail or track before making wiring connections.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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