1. Purpose and scope of application

HXGN□-10Z ring network vacuum switchgear (referred to as ring network cabinet), suitable for industrial and mining enterprises, residential quarters, high-rise buildings and school parks and other power distribution systems, as an indoor AC three-phase 10KV, 50Hz ring network power supply unit and Terminal power distribution equipment. It can open or close the rated load current and the no-load current of the transformer, and can open or close the capacitive current of a certain distance of overhead lines, cable lines or capacitors. The load switch-fuse combination electrical cabinet can break the rated short-circuit current at one time. In the power system, it is used for the protection of power distribution equipment, the distribution and control of electric energy.

2. Structural features

HXGN□-10Z ring network cabinet, the cabinet structure is made up of 8MF steel partial welding bolts, mainly assembled with FZN21-12D or FZRN21-12D two-station vacuum load switch and related fuse with striker. It is a combination appliance. The ring main unit can be flexibly equipped with CT, PT, ZnO arresters. The bottom of the cabinet is equipped with a detachable movable cover plate, which is convenient for cable entry. For overhead cable entry, an additional bus channel can be installed according to user needs.