0102030405
High-Voltage AC Metal Fixed Switchgear XGN□-12(40.from China Suppliers and Factory for 3-35kV Applications
Model Meaning
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
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.










