Leave Your Message
High-Voltage AC Metal Fixed Switchgear XGN□-12(40.from China Suppliers | Reliable Factory Solutions
Hot Products

High-Voltage AC Metal Fixed Switchgear XGN□-12(40.from China Suppliers | Reliable Factory Solutions

The XGN□-12(40.box type indoor fixed AC metal enclosed switchgear (hereinafter referred to as switchgear) represents a new generation of high-voltage electrical complete set products. Compared to the earlier GG1(A) switchgear, this advanced design features enhanced insulation and protection levels. Ideal for high-voltage switchgear assemblies, it efficiently receives and distributes electrical energy in the 3-35kV range with a single busbar and bypass system. This product incorporates cutting-edge technology from abroad and has been independently designed and developed to address the issues of high accident rates and large sizes seen in similar switchgear currently operating in China. The circuit breaker is known for its excellent performance, high reliability, and a user-friendly five prevention interlocking mechanism, making it a preferred choice for substations, switch stations, industrial and mining enterprises, wind power plants, power plants, and more.

,

All product specifications comply with the technical standards set forth by GB3906 A.C. metal-enclosed switchgear for rated voltages of 3~35kV, IEC298 High-voltage switchgear and controlgear-Part 200: A.C. metal-enclosed switchgear and controlgear for rated voltages above 1kV and up to and including 52kV, and DL/T404 Technical Conditions for Ordering Indoor AC High Voltage Switchgear within the power industry. For those seeking reliable suppliers and manufacturers of high-quality switchgear in China, our factory stands out with its commitment to safety, performance, and innovation.

    Model meaning

    Model meaning diagram

    Conditions of use

    • Altitude: ≤1000m
    • Ambient temperature: upper limit +40℃, lower limit -15℃
    • Ambient humidity: daily average shall not exceed 95%, monthly average shall not exceed 90%
    • Seismic intensity: ≤8 degrees
    • Air quality: The ambient air should not be contaminated by corrosive and flammable gas or water vapor
    • Vibration: In places without frequent severe vibration

    Product characteristics

    • The cabinet is welded with high-quality angle steel.
    • The appearance design of this switchgear is beautiful, the appearance quality is good, the internal structure is compact, the layout is scientific and reasonable, and it is easy to maintain.
    • The cabinet adopts air insulation, with metal partitions between different compartments. Each compartment has an independent pressure relief channel, ensuring reliable protection and safe maintenance.
    • The VS1-12(ZN12-40.5) vacuum circuit breaker matched with this cabinet is fixedly installed, with stable performance, reliable operation, high design parameters and good interlocking function with the switchgear.
    • The improved GN30-12(GN27-35) series with ground knife isolation switch used in this cabinet is designed scientifically and reasonably, with flexible operation and reliable program.
    • The locking mechanism of the operating mechanism adopts improved GTXGN.12 (JSXGN-35) interlocking mechanism, which is simple, reliable, convenient and practical. The "five prevention" function of this cabinet has achieved perfect effect, ensuring the safety and reliability of its maintenance.

    Product structure drawing

    Product structure drawing
    1. Cabinet door
    2. Light
    3. Observation window
    4. Operating mechanism
    5. Small door panel
    6. Instrument door
    7. Header
    8. Busbar wall-through sleeve
    9. Bolt
    10. Gasket
    11. Gasket
    12. Nut
    13. Isolation switch
    14. Pull rod
    15. Rear sealing plate
    16. Current transformer
    17. Vacuum circuit breaker
    18. Isolation switch
    19. Sensor
    20. Bolt
    21. Gasket
    22. Gasket
    23. Framework
    24. Lightning arrester

    Technical parameter (40.5kV)

    Item Unit Argument
    Rated voltage kV 40.5
    Rated frequency Hz 50
    Rated current A 630、1250、1600、2000
    Power frequency withstand voltage of primary main circuit 1min kV 95
    Power frequency withstand voltage of control circuit V 2000
    Lightning impulse withstand voltage kV 185
    Rated breaking current(effective value) kA 25、31.5
    Rated making current(peak value) kA 63、80
    Rated dynamic stability current(peak value) kA 63、80
    Rated 4s thermal stability current (effective value) kA 25、31.5
    Rated voltage of auxiliary control circuit V DC110、DC220、AC110、AC220
    Protection level IP2X
    Outline dimension(Width×Depth×Height) mm 1818×3100×3200

    Technical parameter (12kV)

    Rated voltage Unit Argument
    Rated frequency kV 12
    Rated current Hz 50
    Power frequency withstand voltage of primary main circuit 1min A 630、1250、1600、2000
    Power frequency withstand voltage of control circuit kV 42
    Lightning impulse withstand voltage V 200
    Rated breaking current(effective value) kV 75
    Rated making current(peak value) kA 25、31.5
    Rated dynamic stability current(peak value) kA 63、80
    Rated 4s thermal stability current(effective value) kA 63、80
    Rated voltage of auxiliary control circuit kA 25、31.5
    Protection level V DC110、DC220、AC110、AC220
    Outline dimension(Width×Depth×Height) IP2X
    Outline dimension(Width×Depth×Height) mm 900×1000×2300

    Frequently Asked Questions

    What are the environmental requirements for using this switchgear?

    The switchgear is designed for altitudes ≤1000m, ambient temperatures between -15℃ and +40℃, and relative humidity not exceeding 95% (daily average) or 90% (monthly average). It should be installed in environments without frequent severe vibration and free from corrosive or flammable gas.

    What type of circuit breaker is used in this cabinet?

    It is matched with a fixed-installation VS1-12(ZN12-40.5) vacuum circuit breaker, which offers stable performance, reliable operation, and a robust interlocking function with the switchgear.

    How does the cabinet design ensure safety during maintenance?

    The cabinet utilizes air insulation with metal partitions separating the compartments. Each compartment has an independent pressure relief channel to ensure safety. Additionally, the improved GTXGN.12 (JSXGN-35) interlocking mechanism provides a complete "five prevention" safety function.

    What is the protection level of this switchgear?

    Both the 12kV and 40.5kV variants of this switchgear cabinet are designed to meet the IP2X protection rating.

    What are the dimensions of the switchgear cabinets?

    The outline dimensions (Width×Depth×Height) are 1818×3100×3200 mm for the 40.5kV model and 900×1000×2300 mm for the 12kV model.