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Three-phase oil-immersed distribution transformers 50 Hz, from 25 kVA to 3150 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. Section 1: Requirement for dual voltage transformers in high-voltage.
Translate name
STANDARD published on 5.12.2017
Designation standards: UNE 21428-1-1:2017
Note: WITHDRAWN
Publication date standards: 5.12.2017
SKU: NS-804569
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Spanish technical standard
Category: Technical standards UNE
Latest update: 2026-08-14 (Number of items: 2 293 479)
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