... -phase AC 50Hz,single-bus and single-bus sectionalized system. It is mainly used for power transmission of middle/small generators ... ,3AH5 from Siemens domestic ZN65A,and VB2 from GE, etc.,it is truly a power distribution device with good performance.In ... special current transformer, so that the operator can maintain and inspect it in front of the cubicle.Service environmenta) Air temperature: Maximum ...