| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Electric Type |
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Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable power equipment manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations, high-voltage switches, and medium and low voltage complete sets of equipment. The equipment put into production and operation of the project advocates energy saving, intelligence, informatization, and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, with 71 utility model patents and 15 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.
1. Outdoor;
2. Ambient air temperature :-30ºC~+50ºC;
3. Altitude: does not exceed 3000m;
4. Relative humidity: the daily average is not more than 95%, the monthly average is not more than 90%;
5. The magnitude of the earthquake was no more than 9 degrees;
6. No fire, explosion, serious pollution, chemical corrosion and violent vibration.
7. Natural wind speed no more than 34m/s, wind pressure is no more than 700pa.
| No. | Item | Unit | Data | |||||||||||||||||
| 1 | Rated voltage | KV |
252 | |||||||||||||||||
| 2 | Rated power frequency withstand voltage (1min) | 460 | ||||||||||||||||||
| 605 | ||||||||||||||||||||
| 3 | Rated lightning impulse withstand voltage | 1050 | ||||||||||||||||||
| 1250 | ||||||||||||||||||||
| 4 | Power frequency under zero gauge pressure of SF6(5min) | 220 | ||||||||||||||||||
| 5 | Rated frequency | Hz | 50(60) | |||||||||||||||||
| 6 | Rated current | A | 4000 | |||||||||||||||||
| 7 | First pole factor | 1.3 | ||||||||||||||||||
| 8 | Rated peak withstand current | KA | 100 | |||||||||||||||||
| 9 | Rated short-circuit breaking current | 40 | ||||||||||||||||||
| 10 | Rated pull-out breaking current | 10 | ||||||||||||||||||
| 11 | Rated short-time withstand current | 40 | ||||||||||||||||||
| 12 | Rated short-circuit CO current | 100 | ||||||||||||||||||
| 13 | Rated operational sequence | O-0.3s-CO-180s-CO | ||||||||||||||||||
| 14 | First pole factor | 1.5 | ||||||||||||||||||
| 15 | Opening time | ms | ≤34 | |||||||||||||||||
| 16 | Closing time | 90-120 | ||||||||||||||||||
| 17 | Main circuit resistance | UΩ | ≤50 | |||||||||||||||||
| 18 | Rated SF6 gas pressure (20ºC gauge pressure) | MPa | 0.40±0.015 | |||||||||||||||||
| 19 | Alarm/lowest function pressure (20ºC gauge pressure) | 0.35±0.015/0.30±0.015 | ||||||||||||||||||
| 20 | SF6 gas annual leakage percent | ≤1% | ||||||||||||||||||
| 21 | SF6 gas moisture content(V/V) | u L/L | ≤150 | |||||||||||||||||
| 22 | Mechanical life | Time | 6000 or 10000 | |||||||||||||||||
| 23 | SF6 gas weight | Kg |
8 | |||||||||||||||||
| 24 | Breaker weight | 1700 | ||||||||||||||||||
After-sales Service
1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. And train technical and operating personnel for you.
2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user's feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.
3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!
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