Three-phase liquid-immersed distribution transformers 50 Hz, from 25 kVA to 3 150 kVA with highest voltage for equipment not exceeding 36 kV. Part 1: General requirements. Section 1: Requirement for dual voltage transformers in high-voltage.
| AENOR | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Name | UNE 21428-1-1:2021 |