Gas insulated switchgear

High-quality GIS – gas insulated switchgear: GI-2

We engineer reliable switchgear built on safety and care for the environment

It’s our newest SF6 insulated Switchgear: the “GI-2”. It’s a metal-clad and first-rate GIS switchgear solution for single-busbar applications and indoor installation. 

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Modular design

Metal Clad

Rated voltage 36kV

The GI-2 system is a modular concept based on the “building blocks” principle. This means that cubicles are produced in series. Consequently, in a rational, economically sustainable way, the modular GI-2 design meets the highest technical requirements. The combination in cubicles is unlimited. Through this broad range of possibilities, very complex distribution and transformer switchgear diagrams can be compiled. Our GI-2 GIS solution can always be expanded, compartmentalized and can support up to 24 kv.

A wide range of applications are provided by the GI-2 cubicles and can be used in many industries worldwide. Distribution and dispersion switchgear, electrical substations and medium voltage engines, wind generators, cogeneration, and much more can be used with GI-2 cubicles. 

For all your needs and specifications, the GI-2-concept offers a solution: it suitable to use with transformer and switching substations. Therefore, it is important to know that the GI-2 is a compact solution for heavy industry and power stations. Moreover, it is designed to extend the lifespan of your switchboard and ensure the operator’s safety. The GI-2 is very much a cost effective investment because of the benefits of reduced operating costs and maximum supply reliability.

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Modular gas insulated switchgear: The GI-2 system

  • New installations
  • Ur= 24 kV, Ln = 2500 A
  • Modular system, expandable and unlimited combination
  • High operator safety 
  • Compact solution for heavy industry and power stations
  • Can be equipped with a wide range of optional features

The fixed-mounted circuit-breaker GI-2 is factory-assembled, type-tested and hermetically sealed and be equipped with a wide range of optional features. It knows a modular design and sealed-for-life according to IEC 62271-200 (sealed pressure system)

Technical specifications

Rated voltagekV24
Rated Power frequency withstand voltage (Ud)kV50
Rated power frequency withstand voltage (Ud)kV50
Rated lightning impulse withstand voltage (peak)kV125
Rated short-circuit breaking current (Isc)kAto 25
Rated peak withstand current (Ip)kVto 50
Rated short-time withstand current (Ik)kA50
Rated duration of short circuit current (tk)1s
Internal arc withstand current, 1skA20
Rated frequencyHz50/60
Rated busbar currentA2500
Rated feeder currentA630 - 1250 - 1600 - 2000 - 2500
StandardsIEC 62271-200 / IEC 62271-1
Degree of protection (RC 630 A, 1250 A)IP4X
Degree of protection (RC 1600 A, 2000 A)IP3X
Temperature range-15°C to +40°C
Maximum relative humidity95%
Maximum altitude1000m *
Download our GI-2 Leaflet

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DF-2 projects

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Solar power plant with SGC DF-2 switchgear in Chad

Solar photovoltaic power plant with SGC DF-2 equipment commissioned in Bithéa, Abéché, Chad

Within the switchroom, NHP specified the SGC DF-2 air-insulated switchgear module with a built-in…

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ISO certificate extended until 2024

At SGC, we hold quality in high esteem and want you to be maximally satisfied with our quality in…

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Visit of the Trade delegation from Central African Republic

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