... is used in the electricity syste JCZ Serial Single Pole High VoltageVacuum Contactor is 50Hz, one-phase, ... as well as operating of 200A, 400A, 630A and 800A. It featured in operating switch on & ... middle voltage three-phase motor, transformer, reactor and capacity. It can be compacted into 2 poles ... , 3 poles, 4 poles and N poles.2.ParametersItemParameterTypeJCZ-7.2JCZ-12Rated Voltage ...