... used in the electricity system of and under 7.2(12)kV, as well as operating of 200A, 400A, 630A and 800A ... , capacity. It can be compacted into 2 poles, 3 poles, 4 poles and N poles.2.ParametersItemParameterTypeJCZ-7.2JCZ-12Rated Voltage (kV ... in Max. (A)1600,3200,5040,64003200,5040,64004s Rated Thermo-reliable Current (A)2000,4000,6300,80004000,6300,80001min Industrial ...