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High-Voltage AC Metal Fixed Switchgear XGN□-12(40.- China Suppliers & Factory for 3-35kV Solutions
Model meaning
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
- The ambient air should not be contaminated by corrosive and flammable gas or water vapor
- 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
- 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 parameters
40.5kV Switchgear Technical Parameters
| 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 |
12kV Switchgear Technical Parameters
| 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 | 2000 |
| 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 ambient temperature requirements for this switchgear?
The switchgear is designed to operate within an ambient temperature range of -15℃ (lower limit) to +40℃ (upper limit).
What is the maximum operating altitude for the equipment?
The standard conditions of use specify an altitude of ≤1000m for optimal and safe operation of the switchgear.
What type of circuit breaker is integrated into this cabinet?
The cabinet is matched with a fixedly installed VS1-12 (ZN12-40.5) vacuum circuit breaker, which offers stable performance, reliable operation, and excellent interlocking safety functions.
What safety mechanisms are implemented for maintenance protection?
The switchgear cabinet utilizes air insulation with metal partitions between different compartments. Each compartment is equipped with an independent pressure relief channel. Additionally, it features an improved GTXGN.12 (JSXGN-35) interlocking mechanism to ensure a reliable "five-prevention" safety function.
What is the enclosure protection level of this switchgear?
This switchgear cabinet features an IP2X protection rating, ensuring reliable safety protection against accidental contact with internal components.
What are the physical dimensions of the 12kV and 40.5kV switchgear models?
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.