Air-insulated secondary switchgear up to 12 kV KSO-394

Air-insulated secondary switchgear up to 12 kV KSO-394 are used for receiving and distributing three-phase alternating current electricity with a frequency of 50 and 60 Hz in networks with an isolated or grounded neutral.
AIS KSO-394 cells are used in:
- indoor switchgear units (ISU) of complete transformer substations (CTS);
- electrical substations of industrial enterprises;
- switchgear of power plants' own needs;
- public utility facilities;
- and other power supply facilities.
AIS KSO-394 cells are installed both in permanent closed switchgear buildings and in special quickly-assembled modules of full factory readiness.
Features of KSO-394 cells;
- The camera body is manufactured in 2 versions:
- welded frame made of ferrous metal with polymer powder coating;
- the body is made of steel with an aluminum-zinc (zinc) coating, with weldless fasteners.
- The simplicity and safety of the design allow the cell to be serviced by personnel who do not have special skills in servicing such equipment
- AIS KSO-394 cells are equipped with mechanical interlocks that ensure the safety of the operating personnel:
- interlock that prevents the disconnectors from being turned off when the switch is on;
- blocking, but allowing the disconnector to be turned on when the grounding switch is switched on;
- blocking that prevents the grounding switch from being switched on when the disconnector is switched on;
- a lock that prevents the door from being opened when the grounding switch is disconnected.
- All operations with the switch are performed with the chamber door closed.
- The devices, instruments, current-carrying parts, insulating supports, fastenings, and supporting structures used in the KSO-394 chambers are selected and installed so that gases or oil emitted from the devices cannot cause harm to operating personnel and do not cause overlapping of the chamber insulation. AIS KSO-394 cell has observation windows on the front door to monitor the position of switching devices.
- A socket for an interior lighting lamp is installed inside each chamber, which makes it possible to safely replace burnt-out lamps without removing the voltage from the main and auxiliary circuits. Sockets for portable lamps and a switch for the interior lighting lamp are installed on the façade of the cells.
- AIS KSO-394 cells have the ability to dock with other types of cells using adapter panels.

Technical data

Rated voltage, kV 6; 10
Rated insulation level, kV 7,2; 12
Rated branch busbar current, A 400; 630
Rated busbar current, A 630
Rated short-time withstand current (3s) 20
Electrodynamic resistance current for a duration of 1 s, kA 51
Climatic design and placement category GOST 15150 U3
Degree of protection provided by enclosure IEC 60529 IP20
Overall dimensions, mm
- width
- depth
- height

800
800
1900; 2000

We offer you documentation for the manufacture of switchgear KSO-394:

- Preliminary technical documentation for participation in tenders for the manufacture of switchgear KSO-394. We will prepare for you the necessary information to assess the possibility of manufacturing products in accordance with the requirements of tender documentation and questionnaires.
- Working drawings, 3-D models, and other necessary documentation for the manufacture of switchgear KSO-394 at your enterprise. If you do not plan to independently manufacture components and parts of the product, we will help you place their production at third-party enterprises. General assembly of the product and installation will be carried out at your enterprise.
- All documentation, if necessary, is adjusted in accordance with the requirements of the project, as well as in accordance with the technological capabilities of your enterprise.
- If equipment from another manufacturer is installed at the substation, we will prepare for you documentation for the manufacture of similar equipment in addition to the installed one

Advantages of working with us:

- You do not need to employ highly qualified engineers - You receive a set of documentation for the product being manufactured, which can be operated by a semi-skilled engineer.
- You do not need to manufacture prototypes of products - our experience allows us to successfully launch serial batches of products for production.
- Working according to our documentation - your specialists will receive advice on all the nuances of manufacturing switchgear KSO-394.

For additional information on switchgear KSO-394, please contact: This email address is being protected from spambots. You need JavaScript enabled to view it.

... and, as you know, a mistake made during the design of a product results in 10-fold costs during manufacturing, and 100-fold during its operation...

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  • Operating manual for equipment

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  • Equipment drawings

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  • Regulatory and technical documentation

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    Regulatory and technical documentation

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