Xi'an Xigao Electricenergy Group Co., Ltd.
Xi'an Xigao Electricenergy Group Co., Ltd.
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1.Suitable For Outdoor High Voltage Sulfur Hexafluoride Circuit Breaker With AC 50HZ And Rated Voltage 126kV
This product is developed and improved by our company and XIGAO institute with sulfur hexafluoride gas as insulation and arc extinguishing medium, using single pressure variable open distance self-blowing type arc extinguishing principle of outdoor device. The product is suitable for 126kV three-phase AC 50HZ power system, used to divide and combine load current, overload current, short circuit current.
2.Parameters of self-energy outdoor sulfur hexafluoride circuit breaker
| NO | Item | Units | Technical parameters | |
| 1 | Rated voltage | kV | 126 | |
| 2 | 1min power frequency withstand voltage effective(value) | kV | To earth | 230 |
| Fracture | 230 | |||
| 3 | Lighting impulse withstand voltage effective (value) | kV | To earth | 550 |
| Fracture | 550 | |||
| 4 | Rated frequency | Hz | 50 | |
| 5 | Rated current | A | 3150 | |
| Rated line charging switching current | A | 50 | ||
| 6 | Rated short-circuit break current | kA | 40 | |
| 7 | Rated peak withstand current | kA | 100 | |
| 8 | Rate short time withstand current/duration | kA/s | 40/3 | |
| 9 | Rated short circuit switching current | kA | 100 | |
| 10 | Rate out-of-step breaking current | kA | 10 | |
| 11 | First-pole-to-clear factor | 1.5 | ||
| 12 | Rated opreation sequence | O-0.3s-CO-180s-CO | ||
| 13 | Rated SF6 gas pressure(20) | Mpa | 0.60 | |
| 14 | Electrical life | Time | 16 | |
| 15 | Mechanical life | Time | 6000/10000 | |
3. Working application
Altitude:no more than 3000 m,
Ambient temperature:-30~40,
Wind speed:34 m/s,
Filth grade: ||| grade(25MM/kV).
4. Technical drawings
5.Factory
6. Delivery
7. FAQ
1. Send out technical data to better seek all useful information; We will recommend it very well.
If possible, please include a reference picture to avoid any misunderstanding or any link from our website so that we can better understand.
2. Delivery time depends on the quantity of the order. Some standard types are in stock .Otherwise it will take 3-15 days.
3. Usually by sea, we can send it to you by air for small or urgent orders.
4. All our activities are certified to ISO 14001:2015 and IEC standards.