ABB 3AUA0000074419ABB 3AUA0000074419 (BFPS-48C) Full Technical Report
ABB BFPS-48C Fan Control Power Supply Board, Order Code 3AUA0000074419 Core Function: This dedicated internal power supply board for ABB industrial variable frequency drives supplies regulated power to drive cooling fans inside ACS800, ACS880, and DCS800 drive cabinets. It receives temperature feedback signals from drive main control boards and thermistors to perform PWM fan speed regulation, dynamically adjusting fan airflow based on cabinet internal temperature. It integrates multi-layer circuit protection circuits and fault status LED indicators to report fan loss, short circuit, overheating, and input power anomalies to the main drive CPU via backplane communication bus, preventing drive over-temperature shutdown and extending the service life of drive power modules. It also provides a

Product Description
ABB BFPS-48C Fan Control Power Supply Board, Order Code 3AUA0000074419 Core Function: This dedicated internal power supply board for ABB industrial variable frequency drives supplies regulated power to drive cooling fans inside ACS800, ACS880, and DCS800 drive cabinets. It receives temperature feedback signals from drive main control boards and thermistors to perform PWM fan speed regulation, dynamically adjusting fan airflow based on cabinet internal temperature. It integrates multi-layer circuit protection circuits and fault status LED indicators to report fan loss, short circuit, overheating, and input power anomalies to the main drive CPU via backplane communication bus, preventing drive over-temperature shutdown and extending the service life of drive power modules. It also provides a
Technical Specifications
| Brand | ABB |
|---|---|
| Model | 3AUA0000074419 |
| Category | Uncategorized |
| Official Full Name | ABB BFPS-48C Fan Control Power Supply Board, Order Code 3AUA0000074419 |
| Metric | 262mm (Length) × 101mm (Width) × 57mm (Height) |
| Imperial | 10.35in × 3.95in × 2.25in |
| Fan Output Short Circuit Damage | Fan coil short circuit burns output MOSFET chips, board stops supplying fan power, drive triggers overtemperature fault alarm. |
| Electrolytic Capacitor Aging | Long-term high cabinet temperature causes capacitor bulging/leakage, unstable 24V fan output, intermittent fan stall warnings. |
| Backplane Communication Pin Oxidation | Gold finger connectors oxidize, loss of temperature signal communication between BFPS-48C and main control board, false fan fault codes. |
| AUA0000075499 | ABB cross-reference spare part number for BFPS-48C OEM replacement |
| Power | 600W surge |
| Power 2 | 4W 4 |
| Redundancy | dual redundant |
| Origin | Germany / Original |
| Condition | New Original Factory Sealed |
| Warranty | 12 Months |
| Shipping | Global Delivery via DHL/FedEx/UPS |