1,10kV, S9 ,3 phase oil immersion power transformer 2,high efficiency,low loss 3,Low losses and Low Noise Describtation of the product:The ... , 10.5KV,11KV,15KV,20KV,22KV,33KV 35KV,36KV3)Rated LV: 0.4kV,0.415KV,0.38KV4)Phase No. :single or three ... needs;10)Cooling type: oil nature, oil cooling 10kV, S9 ,3 phase oil immersion power transformer