MV Gas Insulated

HICO's best-selling switchgear model, reduces the space for installation by 40 percent as compared to other offerings in the industry.

HICO's Compact Gas Insulated Switchgear, developed with in-house advanced technology, is world-class with high-performance and reliability. It is the optimal product for power plants, substations and industrial/commercial applications in terms of providing optimum layout and use of space, enhanced safety in operation, better security, resistance to arc-flash, and ease of maintenance. It is the optimal product for power facilities, buildings, factories, public buildings, and various other power plants.

HICO offers medium voltage SF6 C-GIS with rated voltage of 15~38kV, rated current of 1,250~3,150A and maximum rated breaking current of 40kA. With domestic and international references and abundant experience and technology, HICO's C-GIS features maximum reliability and safety in addition to minimized installation size.


Model 12kV Model 17.5kV Model 24kV Model 38kV Model
Rated Voltage (kV) 12 17.5 24 38
Rated Short-circuit
Breaking Current (kA)
20/25/31.5/40 20/25/31.5/40 20/25/31.5/40 20/25/31.5/40
Rated Current (A) Up to 2,000 Up to 2,500 Up to 4,000 Up to 2,500
Power Frequency
Withstand Voltage (kV)
28 38 50 50
Lightning Impulse
Withstand Voltage (kV)
75 95 125 125
Rated Frequency (Hz) 50/60 50/60 50/60 50/60
Internal Protection Level IP 2X IP 2X IP 2X IP 2X
External Protection Level IP 4X IP 4X IP 4X IP 4X