electrical device

1. This switch for power transformerwas designed together by the related factories organised by Shenyang Transformer research Institute. 2.It is the updated product of the non-excitation tapchanger in our country at present. 3.It applies to the three-phase oil-immersed electrical power thansformer with the frequency of 50Hz, 60Hz, the rated voltage of 10KV, 35KV, the rated current of 63A, 125A, 250A, 400A. 4.It can be directly fixed on the box-cover of the transformer, under the condition of non-excitation taping, regulating and changing. (1) The tapchanger with current of 63A applies to the box-cover of the transformer 5 8mm; (2) The tapchanger with current of 125A applies to the box-cover of the transformer 6 10mm; (3) The tapchanger with current of250A applies to the box-cover of the transformer 8 12mm; (4) If customer has a special requirements, please give an explanation when ordering; 5.electrical device