UPR2 series isolating switch fuse type can loading operation, and provides the upper and lower side input/output structure, is suitable for the rated current is 250A - 630A. When installation can save more space, it can also be equipped with fuses and the monitor.The product not only can break with single phase,but also can break with three phase synchronously,in addition,

It can save large space when the complete product are installed for it,so it is widely used for importing box type transformer substation Integrating of current transformer and fuse switch initiated domestically, With knife-edge entry and arc extinguishing equipment, it is safe for operation. The isolating knife blade, full- range protection and semiconductor protection fusible core are optional, Capacity of operating with load reaches l.3 times of rated current.