JCZ5 Serial Single Pole High Voltage Vacuum Contactor (vacuum awitch) is one-phase, indoor ... control equipment. It is used in the JCZ Serial Single Pole High VoltageVacuum Contactor is 50Hz, one-phase, indoor control equipment ... used in the electricity system of and under 7.2(12)kV, as well as operating of 200A, 400A, 630A and ... (A)DC0.45A/DC0.22ADC0.45A/DC0.22A JCZ5 Single Pole Vacuum Contactor