Hxgn17-12 box-type fixed AC metal closed switchgear (referred to as ring cabinet) is a new type of high voltage switchgear produced for the renovation and construction of urban power grid.FZRN25. FZRN21 vacuum load switch is equipped in the loop grid cabinet. The operating mechanism is a spring mechanism, which can be operated manually or electrically.

The grounding switch and the isolating knife are equipped with manual operation mechanism. The whole set of the ring net cabinet has strong performance, small volume, no danger of combustion and explosion, and has the reliable function of "five prevention".

The ring grid cabinet conforms to the relevant provisions of GB3906 (3-35kV AC Metal Enclosed Switching Equipment). Ec60420 "High Voltage AC Load switch Fuse Combination Appliances" standard.