説明
The XGN15 Metal-Enclosed Medium Voltage High Voltage (HV) Switchgear
Operating voltage as high as 12kV to design rugged and multi-functional solutions for AC 50Hz power systems.This switchgear is meticulously engineered to meet the demands of industrial and civil applications, including cable ring networks and power supply terminals. With its fixed metal-enclosed design, it ensures reliable and safe operation in diverse environments.
Working environment
1. Ambient air temperature: -25°C to +40°C.
2. Daily average temperature: ≤+35°C (within 24 hours).
3. Altitude: <2000 meters.
4. Relative humidity: Within 24 hours, the daily average value ≤95%, with a daily average vapor pressure ≤2.2KPa; monthly average value ≤90%, with a monthly average vapor pressure ≤1.8KPa.
5. Environment: Not significantly affected by dust, smoke, corrosive or flammable gases, vapors, or salt contamination.
The Specification
| ITEM | UNIT | XGN15-12(F)/630-20 | XGN15-12(F.R)/T125-31.5 |
| Rated voltage | KV | 12 | 12 |
| Rated current | A | 630 | 125 |
| Rated frequency | ヘルツ | 50 | 50 |
| Rated frequence withstand voltage | KV | 42/48 | 42/48 |
| Rated impulse withstand voltage | KV | 75/85 | 75/85 |
| Rated mainly acnive load breaking current | A | 630 | |
| Rated closed-loop distribution circuit current | A | 630 | |
| Rated short-circuit making current(peak) | KA | 50 | 80 |
| Rated peak withstand current | KA | 50 | 50 |
| Rated short-time withstand current | KA | 20 | 20 |
| Rated duration of short circuit load break switch | S | 4 | 4 |
| Rated SF6 gas pressure(20ºC gauge) | MPa | 0.04 | 0.04 |
| Loop resistance | μΩ | <=200 | <=400 |
| Mechanical endurance load break switch/ earthing switch |
KA | 5000/3000 | 5000/3000 |
| Rated short-circuit breaking current | KA | 20/50 | 31.5/50 |
| Rated transfer current | A | 1750 | |
| Degree of protection | IP4X | IP4X |
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