Transformatorer - Oljeisolerade distributionstransformatorer - Del 3: Tilläggsfordringar på transformatorer för högst 36 kV
Three-phase oil-immersed distribution transformers 50 Hz, from 50 to 2500 kVA:with highest voltage for equipment not exceeding 36 kV - Part 3: Supplementary requirements for transformers with highest voltage for equipment equal to 36 V