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6RA7085-6FS22
The Siemens 6RA7085-6FS22 is a single-quadrant DC converter within the SIMOREG series, specifically designed for various industrial applications. With a nominal input connection of 460 V AC, this converter supports a line rated current of roughly 498 A.
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Technical specifications for 6RA7085-6FS22
| Manufacturer | Siemens |
|---|---|
| Product Type | Single-quadrant DC converter |
| Product Line | SIMOREG |
| Part Number | 6RA7085-6FS22 |
| Input Connection | B6C three-phase bridge |
| Line Voltage (Nominal) | 460 V AC |
| Line Rated Current | Approximately 498 A |
| DC Bus Voltage (Nominal) | Approximately 550 V DC |
| DC Output Current (Continuous) | 600 A continuous |
| Alternate (US) Rating | Approximately 500 V DC at 430 A (US) |
| Field (Excitation) Voltage | Approximately 375 V DC |
| Field Current Rating | 25 A |
| Nominal DC Output Power | Approximately 330 kW |
| Cooling Option | Air-cooled |
| Mass (Typical) | Around 30–80 kg (variant) |
The 6RA7085-6FS22 model from Siemens is a robust single-quadrant DC converter from the SIMOREG series. Designed with a B6C three-phase bridge input connection, it operates at a nominal line voltage of 460 V AC, drawing a line rated current that measures around 498 A. The converter is tailored for high-performance tasks with a nominal DC bus voltage of approximately 550 V DC.
Its capability to maintain a continuous DC output current of 600 A makes it fit for extensive operational demands. In the US, it has an alternate rating of about 500 V DC at 430 A, providing flexibility for various grid conditions. Additionally, the device supplies an excitation voltage of roughly 375 V DC, with a field current rating of 25 A, ensuring effective motor and field system management.
The unit is capable of delivering an approximate nominal DC output power of 330 kW. Notably, it utilizes air cooling to ensure sufficient thermal management throughout its operation. The typical mass of the converter varies between 30 kg to 80 kg, depending on the specific variant, making it manageable for installation in various setups.
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