Product pictures Product Overview: Emerson M155RGB14 Parameter Specification Manufacturer Emerson Order Number M155RGB14 Product Name Digitally controlled DC drive (thyristor converter) for separately excited DC motors Series / Family Mentor II DC drive family (frame "14" builds, 400 V class) Application & Fault Scenarios Where It Fits: Driving a separately excited DC motor of roughly 55 kW where precise speed regulation, wide field-weakening range and multi-drive synchronisi