Reliance Electric RV33-1.2 Inverter Control Board

The Reliance Electric RV33-1.2 Inverter Control Board is a dedicated replacement PCB for the RV33-1.2 inverter platform, described here with Version 2.7. In the marketplace, this exact part is commonly listed as a used unit suitable for parts or repair, indicating its role as a repair or replacement component for Reliance Electric inverter assemblies that rely on the RV33-1.2 control module. As the inverter’s control electronics, the board provides the essential logic and signaling required to operate the inverter’s output in the RV33-1.2 family, aligning with the original design and performance of Revision 2.7. Technicians and refurbishers rely on this component to restore functionality when the original control board fails or becomes unavailable, helping to maintain compatibility with legacy Reliance equipment. The RV33-1.2 designation ties the board to that specific model line, ensuring the control pathways and interfaces match those used in these inverters.