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Component Products: Ring Main Unit Core Unit; C-GIS Core Unit

Complete Case

About Us: About Akefa; Company Honor; News Center; Job Position; Contact Us

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GSR6-12/24/40.5/T(1250~3150) Environmentally-friendly Gas-Insulated AC Metal-Enclosed Switchgear (C-GIS)

The GSR6-12/24/40.5 series environmentally friendly gas-insulated metal-enclosed switchgear (C-GIS) is independently developed by our company. It is an eco-friendly gas-insulated metal-enclosed switchgear using dry air (Air) or nitrogen as the insulating medium. In terms of technical level, the product integrates vacuum circuit-breaking technology, APG solid-sealed technology, gas insulation technology, and interface insulation technology, representing a domestic medium-voltage complete switchgear solution. The product has passed type tests and new product technology identification inspections conducted by national authoritative testing institutions. It can be widely used in various crucial power distribution systems of the national economy, such as transmission and substation networks, urban power supply networks, large industrial and mining enterprises, petrochemical industries, metallurgy, and urban rail transit.
The product features a modular design and can be configured acco

GSR6-12/24/40.5/T(1250~3150) Environmentally-friendly Gas-Insulated AC Metal-Enclosed Switchgear (C-GIS)

GSR6-27.5 Series of Eco-Friendly Gas-Insulated Metal-Enclosed Switchgear (C-GIS)

With China's electrified railways demanding switchgear to be more compact, intelligent, maintenance-free, and operable under all conditions, the high-quality GSR6-27.5 series environmentally friendly gas-insulated metal-enclosed switchgear (C-GIS) has been developed. This product uses dry air (D-air) as the insulating medium and integrates vacuum circuit-breaking technology, APG solid-seal technology, gas insulation technology, and interface insulation technology, making it a green and environmentally friendly medium-voltage switchgear for railways. The product has passed type tests and technical appraisal by national authoritative testing institutions. Its design is mainly suitable for single-phase or two-phase electrified railway systems with a rated voltage of 27.5 kV and a maximum voltage of 31.5 kV, such as high-speed railways and dedicated passenger lines, as well as other advanced railway applications.
The product features a modular design, allowing solutions to be flexibl

GSR6-27.5 Series of Eco-Friendly Gas-Insulated Metal-Enclosed Switchgear (C-GIS)

JSR6-12/24/40.5(1250~3150) SF6 Gas-Insulated Metal-Enclosed Switchgear (C-GIS)

The JSR6-12/24/40.5 series SF6 gas-insulated metal-enclosed switchgear (C-GIS) is independently developed by our company. It uses sulfur hexafluoride (SF6) gas as the insulating medium and can be simultaneously applied in primary or secondary distribution fields. The product's technology level integrates vacuum circuit-breaking technology, APG encapsulation technology, gas insulation technology, and interface insulation technology into a medium-voltage complete switchgear. The product has passed type tests conducted by nationally authoritative testing institutions and new product technical appraisal. It can be widely used in various key power distribution systems of the national economy, such as transmission and transformation network stations, urban power supply networks, large industrial and mining enterprises, petrochemicals, metallurgy, and urban rail transit.
The product adopts a modular design and can be configured according to different design schemes. It features a seale

JSR6-12/24/40.5(1250~3150) SF6 Gas-Insulated Metal-Enclosed Switchgear (C-GIS)

GSR4-12/1250-25kA Air Plus Eco-friendly Gas Fully Insulated Fully Enclosed Ring Main Unit

The GSR4 Air Plus new environmentally friendly gas-insulated compact ring main unit (Gas Insulated Ring Main Unit) is a new type of environmentally friendly medium-voltage switchgear developed according to the customized requirements of the State Grid standards. It uses C4 hybrid environmentally friendly gas, with a global warming potential (GWP) reduced by more than 90% compared to SF6, effectively meeting environmental requirements for carbon peaking and carbon neutrality. It can be perfectly combined with existing standardized SF6 ring main units and other standardized environmentally friendly cabinets.
The GSR4 Air Plus series switchgear, while ensuring safety and reliability, maintains the same dimensions as standardized SF6 ring main units. All live parts and switches are enclosed in a stainless steel housing, unaffected by the environment. It features reliable operation, safety assurance, compact structural design, small footprint, maintenance-free operation, and long serv

GSR4-12/1250-25kA Air Plus Eco-friendly Gas Fully Insulated Fully Enclosed Ring Main Unit

GSR8-12-630/1250 Air-insulated Metal-enclosed Switchgear At Atmospheric Pressure, Standardized Custom Product For The State Grid

GSR8-12/630-25kA normal-pressure air-insulated metal-enclosed switchgear is a medium-voltage switchgear developed according to the State Grid Corporation's standard customization documents. This product is mainly used in 10KV 50Hz three-phase AC power supply systems and is also suitable for important power supply sites such as power plants, residential communities, industrial and mining enterprises, and substations, enabling uninterrupted and reliable power supply. The product adopts a modular design, allowing for arbitrary arrangement according to different design schemes, achieving a perfect combination of shared cabinets and extended units, meeting the flexible use requirements of compact switchgear in various secondary distribution substations.
The GSR8 series ring main units are fully sealed systems, with all primary live parts and switchgear enclosed in a stainless steel housing, unaffected by environmental conditions. They feature reliable operation, safety protection,

GSR8-12-630/1250 Air-insulated Metal-enclosed Switchgear At Atmospheric Pressure, Standardized Custom Product For The State Grid

GSR -12 Environmentally-friendly Intelligent Gas-Insulated Ring Main Unit Equipment - State Grid Standardized Custom Product

The GSR environmentally friendly smart gas-insulated ring main unit is a green intelligent switchgear introduced based on mature German eco-friendly smart design concepts. This series of products uses dry gas as the insulating medium, enclosing the primary main circuit of the switchgear in a gas chamber welded by robots and rigorously leak-tested with helium mass spectrometry. It employs a mature and reliable vacuum arc extinguishing chamber as the main switching element for the vacuum circuit breaker and load switch, and uses a specially designed three-position isolating switch to ensure safe and reliable operation and maintenance of the distribution network.
The launch of the GSR series environmentally friendly smart fully enclosed switchgear genuinely meets the needs of clients such as the State Grid and China Southern Power Grid for eco-friendly ring main units, and represents the future development trend of environmentally friendly ring main unit products.

GSR -12 Environmentally-friendly Intelligent Gas-Insulated Ring Main Unit Equipment - State Grid Standardized Custom Product

JSR6-12/24 Gas-insulated Fully Enclosed Ring Main Unit, Standardized Custom Product For State Grid

The JSR series gas-insulated compact ring main unit (Gas Insulated Ring Main Unit) is a newly developed type of gas-insulated medium-voltage switchgear, independently developed according to the standardized customization requirements of the State Grid. The product features a modular design that can be arranged arbitrarily according to different design schemes, achieving a perfect combination of shared-box units and extended units, meeting the flexible use requirements of compact switchgear in various secondary power distribution substations.
The JSR series switchgear is a fully sealed system, with all live parts and switches enclosed within a stainless steel housing, unaffected by environmental conditions. It offers reliable operation, safety assurance, compact structure, small footprint, maintenance-free operation, and long service life.
The product has passed type tests conducted by the national high-voltage electrical apparatus testing center and is widely used in smal

JSR6-12/24 Gas-insulated Fully Enclosed Ring Main Unit, Standardized Custom Product For State Grid

JSR6-40.5 Series Switchgear

JSR6-40.5 Gas-Insulated Metal-Enclosed Switchgear (referred to as Gas-Filled Ring Main Unit) is a compact gas-insulated medium-voltage switchgear developed by absorbing foreign technology and integrating the requirements of domestic power supply systems. The extensive use of advanced laser technology, sensing technology, and testing technology in the manufacturing process ensures the high safety and reliability of the product.
JSR6-40.5/(R/T)630-20(31.5) gas-filled ring main unit is a 50Hz AC three-phase indoor high-voltage distribution device. It seals the load switch, grounding switch, and busbar circuit together within a metal enclosure, using a spring operating mechanism and SF6 gas as the arc-extinguishing and insulating medium. It is suitable for ring or dual-radial power supply of 40.5 kV lines and can transform the original single-radial supply. In case of line faults, it can promptly restore transformer circuit feeding, significantly improving the reliability and utiliza

JSR6-40.5 Series Switchgear

Industry Applications

High-speed Transportation

New Energy Development

Power Plant Facilities

Chemical Oilfield

High-speed Transportation
New Energy Development
Power Plant Facilities
Chemical Oilfield