Core Information
- Component Name: Gate Unit Power Supply
- Main Model / Part Number: KUC711AE101
- Order Number: 3BHB004661R0101
- Associated Systems: Commonly used in ABB AC800M excitation systems, Symphony Plus systems, or 800xA DCS systems.
Key Technical Parameters
| Parameter | Description |
|---|---|
| Power Supply Specification | Single-phase 24 V DC power supply |
| Maximum Output Current | 100 A (some references indicate up to 100 A) |
| Input Voltage Range | 85–264 VAC (wide-range input) |
| Protection Functions | Overvoltage, undervoltage, short-circuit, and overtemperature protection |
| Physical Dimensions | Approx. 100 × 100 × 50 mm (some sources mention 176 × 144 × 43 mm) |
| Operating Temperature | −20 °C to +60 °C (non-condensing) |
| Protection Rating | IP20 (standard protection) |
Typical Application Scenarios
This module is typically used as a critical power supply in the following applications:
- Excitation Control Systems: Supplies gate current for generator excitation systems, ensuring stable voltage and frequency.
- Large DCS Systems: In ABB Advant 800xA or Symphony Plus systems, it provides power for power modules or other electronic components.
- Industrial Automation: Widely applied in power plants, substations, microgrids, and marine systems where high reliability is required.