This equipment is developed by Ministry of Energy,whose technological parameters are in accordance
with IEC439 and GB7251.Its structure and using conditions accord with the request of united design.
It is of high distinguishing ability,fine stability,novelty and reasonable structure,practical electrical project,
series,fine applicability and high protective rate.This equipment can be used in power plants,transformer
substation,factories and mines.It is used as a 50Hz AC distributor,whose rating voltage is 380V and
rating top current is 3151A.It can also be used to transform,distribute and control power and
lighting electricity.