ABB 3AUA0000074419 Drive Module

ABB 3AUA0000074419 Drive Module / Power Supply Board (BFPS-48C)

The ABB 3AUA0000074419 is a drive system power supply board, commonly identified as BFPS-48C, used in ABB industrial frequency converter / drive systems. It is responsible for providing stable DC power and auxiliary supply for drive control electronics and cooling fan circuits.

It is not a motion control CPU, but a supporting drive power module inside ABB VFD or servo drive cabinets.

Key Specifications

• Model: BFPS-48C
• Order Code: 3AUA0000074419
• Product Type: Drive Power Supply Board / Module
• System: ABB Industrial Drives (ACS series / drive cabinets)
• Input: DC/AC supply from drive intermediate circuit (system dependent)
• Output: 24V DC auxiliary + internal regulated power rails
• Function: Power distribution for control board, fan, and auxiliary circuits
• Cooling: Integrated with drive cabinet airflow system
• Installation: Plug-in internal drive module
• Protection: Overvoltage, overcurrent, thermal protection

Features & Advantages

• Stable power supply for ABB drive control electronics
• Supports continuous industrial 24/7 operation
• High reliability for demanding drive environments
• Compact modular design for easy replacement
• Strong protection against electrical faults and surges
• Optimized for ABB frequency converter architecture
• Helps ensure stable operation of entire drive system

Applications

• ABB ACS series variable frequency drives
• Industrial motor control systems
• Pumps, compressors, and conveyor systems
• HVAC and water treatment drive systems
• Heavy industry automation (steel, mining, oil & gas)
• Production line motor control cabinets

Precautions

• Must be used only in compatible ABB drive systems
• High voltage DC link present inside drive cabinet — risk of electric shock
• Allow capacitors to discharge fully before maintenance
• Ensure correct board revision compatibility
• Handle with ESD protection (sensitive electronics)
• Installation should be performed by qualified technicians only