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In order to meet the market requirements for high quality VCB as well as their adaptation with its switchgear, our company develops this new generation of VIB type indoor high voltage vacuum circuit breaker. It is three-phase AC, 50 Hz indoor power distribution equipment with the voltage of 12kV. It can be used for protecting and controlling equipments in the fields of power supply and distribution system such as substation and industrial and mining industry etc.VIB series vacuum circuit breaker has taken into consideration of reliable interlock function which can be frequently operated at the rated current and with the capability of many times operations of breaking short-circuit current and fault current. This series of vacuum circuit breaker is an integrated unit by adopting the front and rear arrangement between operating mechanism and vacuum interrupters. It can be used for fixed installation unit and also can be used for independent track by equipped with Chassis.
VIB series of indoor vacuum circuit breaker