Industrial 3D39122G03Rev8 Power Supply Board Module

Rosemount 3D39122G03 Rev8 is a dedicated power supply board (PCB) from Rosemount Analytical, designed to provide the instrument’s operating power from a 115 VAC input. The Rev8 revision is cataloged as part 3D39122G03 and is cross-referenced with 414743j, reflecting Emerson/Rosemount’s legacy power modules used in older analytical platforms. This component is frequently encountered in refurbished Rosemount Analytical equipment, with multiple suppliers listing the 3D39122G03 Rev8 power supply PCB and specifying 115 VAC input, indicating its role as the primary power interface for legacy Rosemount instrumentation. In the market, you’ll see the 3D39122G03 Rev8 described across refurbish/secondary channels under the Rosemount Analytical brand, including cross references to 414743j and mentions of 115 VAC, underscoring its status as a vintage power-supply PCB rather than a current production module.