



Introduction
The ABB UA C389 B101 Circuit Board (Order No. 3BHE059407R0101) is a modular electronic board developed for use within ABB’s industrial control and power system architectures. From an engineering documentation standpoint, this board is not positioned as an intelligent controller, but rather as a dependable functional layer that supports internal coordination, signal handling, and logical interfacing inside complex systems.
Its value lies in stability and predictability. Engineers typically select this board when system continuity, electrical integrity, and compatibility with established ABB platforms are more important than standalone functionality or user interaction.
Technical Specifications
| Item | Description |
|---|---|
| Manufacturer | ABB |
| Model | UA C389 B101 |
| Order Number | 3BHE059407R0101 |
| Module Type | Circuit Board |
| Primary Function | Internal control and signal processing |
| System Platform | ABB industrial control and power systems |
| Installation Method | Mounted within control cabinet or system frame |
| Electrical Interface | System backplane and internal connectors |
| Dimensions | 170 × 230 × 160 mm (H x W x D) |
| Weight | Approx. 0.3 kg |
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