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BS 7821-2.3:1998

Заменен
Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV. Distribution transformers with cable boxes on the high voltage and/or low voltage side, Cable boxes type 2 for use on distribution transformers meeting the requirements of BS 7821-2.1 — 12 стр.