The TRASFOR DRMBW30/L 3BHB009182P0001 is a specialized rectifier transformer module engineered for ABB industrial drive systems. This component serves as a critical power conversion element within the drive's power supply architecture, providing reliable galvanic isolation and voltage transformation for demanding industrial applications.
The DRMBW30/L module functions as a combined rectifier and transformer unit, converting incoming AC power to DC while maintaining electrical isolation between input and output circuits. This design is essential for drive systems where control electronics must be protected from mains-borne disturbances and transient voltage conditions. The module is integrated into ABB drive platforms including ACS800, ACS880, and DCS800 series systems.
The module is rated for operation with nominal input voltages up to 500 V AC, delivering regulated output voltages suitable for drive control circuitry. The transformer section provides multiple secondary windings for powering different functional blocks within the drive system, including gate driver circuits, control board power supplies, and auxiliary equipment. Thermal performance is optimized for continuous operation with natural convection cooling, suitable for industrial environments where forced air cooling may be limited.
Component Type: Rectifier transformer module
Product Code: 3BHB009182P0001
Compatible Systems: ABB ACS800, ACS880, DCS800 drive platforms
Input Voltage: Up to 500 V AC
Power Rating: 30 W maximum
Isolation: Galvanic isolation between primary and secondary circuits
Mounting: Direct chassis mounting in drive power sections
Cooling: Natural convection

The module features robust construction with insulation materials rated for Class F temperature rise (155°C), ensuring long-term reliability in continuous-duty applications. The design incorporates overcurrent protection and thermal management features that safeguard the transformer under fault conditions. All materials are selected to meet IEC 60721-3-3 standards for industrial environmental conditions, including resistance to vibration, humidity, and temperature cycling.
The DRMBW30/L is typically installed as a replacement component in ABB drive power sections, serving as the primary power supply for control electronics. When integrated with compatible drive hardware, it enables the system to meet performance specifications for motor control, regenerative braking, and grid interface functions. The module's design ensures compatibility with both new drive installations and field replacement scenarios where original components require service.



