Overview
The 6GA2-492-1A is a Siemens high-current automatic voltage regulator for large 1FC6 brushless synchronous generators (series 35-56). Designed for high-power applications requiring maximum excitation current.
Key Features
- Siemens Brand — Genuine high-current AVR
- 9.5A Shunt Current — For large generators
- Thyristor Shunt Control
- ±0.5% Voltage Regulation
- For 1FC6 Series 35-56
Technical Specifications
| Parameter | Value |
|---|---|
| Model | 6GA2-492-1A |
| Brand | Siemens |
| Type | Thyristor Shunt AVR (Subtractive) |
| Voltage Sensing Input | 230VAC ±10% or 400VAC ±10% |
| AVR Shunt Current | 9.5A DC continuous |
| Max Shunt Current | 13.5A DC intermittent |
| Voltage Adjustment | ±5% internal; ±5-10% external |
| Droop Adjustment | 0-0.6A AC via CT |
| Regulation Accuracy | <±0.5% |
| Operating Temp | 0°C to +70°C |
| Storage Temp | -45°C to +85°C |
Compatibility
Designed for Siemens 1FC6 series 35-56 large brushless synchronous generators. Suitable for high-power industrial and marine applications.
Why Choose ZenixPower
- Siemens Genuine — Maximum current AVR for 1FC6 series
- 9.5A Continuous — Handles largest 1FC6 generator exciters
- ±0.5% Precision — Tight regulation for critical power applications
Specification Comparison
Compatible Generators Siemens 1FC5/1FC6 series. **Cross-series substitution is strictly prohibited! Interfaces are not compatible!**
| Model | Generator Series | Application | Price |
| 6GA2-490-0A | 1FC5 series | Land-based power generation | $150-300 |
| 6GA2-491-1A | 1FC6 series | Marine power generation | $200-350 |
| 6GA2-492-1A | 1FC6 series | Land-based power generation | $150-300 |
Selection Advice These three models are mutually incompatible. Check the generator nameplate to confirm whether it is 1FC5 or 1FC6 before purchasing. Siemens AVRs are not interchangeable with any other brand.
