UPR3 series vertical fuse switch can be operated with load,upper and lower in coming wire and out going wire are convenient to be exchanged.Conjoined type can be a three-phase closed off simultaneously, Operation safely. while fuse installed in the handle and it can be used as a contact blade directly.

The current grade is 250A-630A,In-line fuse type isolating switch is integrated with initiating current transformer,it also can be mounted the fuse 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.