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High-Voltage AC Metal Fixed Switchgear XGN□-12(40.from China Suppliers and Factory for 3-35kV Applications
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High-Voltage AC Metal Fixed Switchgear XGN□-12(40.from China Suppliers and Factory for 3-35kV Applications

The XGN□-12(40.Box Type Indoor Fixed AC Metal Enclosed Switchgear is an advanced high-voltage electrical complete set, designed to surpass the performance of the previous GG1(A) model. With improved insulation and protection levels, this switchgear effectively facilitates the receiving and distributing of electrical energy in 3-35kV single busbar configurations with a bypass system. Developed using cutting-edge technology from around the world, this product addresses the issues of high accident rates and large footprints commonly associated with similar switchgear operating in China, The circuit breaker within this switchgear boasts exceptional performance and high reliability, featuring a dependable and straightforward five prevention interlocking mechanism. It finds extensive application across various sectors, including substations, switch stations, industrial and mining enterprises, wind power plants, and power plants, All specifications of this switchgear adhere to the technical standards set forth by GB3906 for metal-enclosed switchgear at rated voltages of 3~35kV, IEC298 for high-voltage switchgear and control gear, and DL/T404 for ordering indoor AC high voltage switchgear in the power industry. As a leading supplier and manufacturer in China, we are committed to delivering high-quality switchgear solutions that meet the diverse needs of our clients

    Model Meaning

    Model Meaning Diagram

    Conditions of Use

    Altitude Limit

    ≤ 1000 meters

    Ambient Temperature

    Upper limit: +40℃ | Lower limit: -15℃

    Ambient Humidity

    Daily average ≤ 95% | Monthly average ≤ 90%

    Seismic Intensity

    ≤ 8 degrees

    Air Quality

    No contamination by corrosive, flammable gas, or water vapor

    Vibration Level

    Suitable for environments without frequent severe vibration

    Product Characteristics

    • The cabinet is welded with high-quality angle steel.
    • The appearance design of this switchgear is beautiful, offering excellent appearance quality, a compact internal structure, and a scientific, reasonable layout that 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, featuring stable performance, reliable operation, high design parameters, and a highly functional interlocking system with the switchgear.
    • The improved GN30-12 (GN27-35) series isolation switch with a ground knife is designed scientifically and reasonably, providing flexible operation and a reliable program.
    • The locking mechanism of the operating mechanism adopts an improved GTXGN.12 (JSXGN-35) interlocking mechanism, which is simple, reliable, convenient, and practical. The "five prevention" function of this cabinet achieves a perfect safety effect, ensuring reliable maintenance.

    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
    Structure Details

    Technical Parameters (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 Parameters (12kV)

    Item Unit Argument
    Rated voltage kV 12
    Rated frequency Hz 50
    Rated current A 630, 1250, 1600, 2000
    Power frequency withstand voltage of primary main circuit 1min kV 42
    Power frequency withstand voltage of control circuit V 200
    Lightning impulse withstand voltage kV 75
    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 900 × 1000 × 2300

    Frequently Asked Questions (FAQ)

    What are the environmental temperature limits for operating this switchgear?

    The switchgear is designed to operate safely within an ambient temperature range from a lower limit of -15℃ up to an upper limit of +40℃.

    What is the maximum installation altitude recommended for this equipment?

    The standard recommended installation altitude for this switchgear is less than or equal to 1000 meters (≤1000m).

    What is the protection level rating of the cabinet?

    The cabinet features a protection level rating of IP2X, safeguarding the internal components against accidental contact.

    Which circuit breaker is matched with the 40.5kV switchgear?

    It is matched with a fixedly installed VS1-12 (ZN12-40.5) vacuum circuit breaker, which offers high design parameters and stable, reliable performance.

    Does the switchgear cabinet feature safety interlocking functions?

    Yes, the operating mechanism adopts an improved GTXGN.12 (JSXGN-35) interlocking mechanism, providing a highly reliable "five prevention" locking system to ensure safe maintenance.