Hyosung offers a wide variety of SF6 Gas Insulated Switchgear ranging with rated voltages from 72.5kV to 800kV and rated short-circuit breaking current up to 63kA.
Gas Insulated Switchgear (GIS) refers to the general equipment of a substation in a metal enclosure filled with high-insulation SF6 gas and connected to the ground, which includes a circuit breaker, disconnecting switches, earthing switches, and peripheral devices (e.g., current transformer, voltage transformer, and lightning arrester). It can be installed in a small space in cities or buildings. Ensuring reliable and stable operation and good maintainability, it is especially suited for polluted and/or salty seashore areas.
Our GIS ensures reliable and stable operation along with simple maintainability. We offer GIS with rated voltages ranging from 72.5kV to 800kV and rated short-circuit breaking current up to 63kA and have acquired international certificates from KERI (Korea Electrotechnology Research Institute), CESI (Italy) and KEMA (Netherlands). Hyosung has now become synonymous as the most trusted GIS supplier in the world.