Rendering The SZ11 covers the 35 kV step-down duty found in substations, wind and solar collection systems, and heavy industry. An on-load tap changer regulates the secondary voltage under load — essential where the incoming supply swings, as it does on renewable feeders. A conservator tank, gas relay and oil-level gauge make condition monitoring straightforward.
| Model / Series | SZ11-50~31500/35 |
|---|---|
| Rated Capacity | 50 kVA – 31.5 MVA |
| Voltage Level | 35 kV / 10.5 kV / 0.4 kV |
| Um (IEC 60071-1) | 40.5 kV |
| Phase | Three-phase |
| Cooling Method | ONAN / ONAF |
| Executive Standard | IEC 60076 |
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