The GN30-12 rotary indoor high-voltage isolation switch is a new type of isolation switch with a rotating contact blade. The main structure is to fix two sets of corrugated edges and contacts on the lower two planes of the three-phase common chassis. By rotating the contact blade, the switch can be opened and closed.

The GN30-12D switch is a form of adding a grounding knife on the basis of the GN30-12 switch, which can meet the needs of different power systems. This product is designed with a smart back and occupies a small space
Strong insulation ability. Easy to install and adjust, its performance meets the requirements of GB1985-89 "AC High Voltage Isolating Switches and Grounding Switches", suitable for indoor power systems with rated voltage of 12 kV AC 50Hz and below, used as a switching circuit under voltage and no-load conditions. It can be used in conjunction with high-voltage switchgear or used independently.

◎ Environmental conditions for use

Altitude not exceeding 1000m;

Surrounding air temperature; Upper limit+40 ℃; Lower limit -10 ℃;

Relative humidity; The daily average value shall not exceed 95%, and the monthly average shall not exceed 90%;

The intensity of the land bully shall not exceed 8 degrees;

Places without severe dust, chemical corrosiveness, and explosive substances;

Places without frequent and severe vibrations are located on the ground.