| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual 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.
Model and meanings:
LW: Outdoor SF6 Circuit Breaker
8A: Sequence No.
40.5: Rated Voltage
1. Sunshine:1000W/m2.
2. Relative humidity:daily average:not more than 95%;monthly average:not more than 90%;
3. Wind speed:no more than 34m/s;
4. Seismic capacity: horizontal acceleration: 0.250g; vertical acceleration: 0.125g;
5. Pollution class: III level (25mm/kV);
6. Ice thickness: 10mm (wind speed not more than 15m/s)
7. Protection class:IP5XW.
| No. | Name | Unit | Data | |||
| 1 | Altitude | m | 1000 | 2000 | ||
| 2 | Ambient Temperature | - | -30ºC-40ºC | -40ºC-40ºC | -30ºC-40ºC | -40ºC-40ºC |
| 3 | Rated Voltage | kV | 40.5 | 40.5 | ||
| 4 | Rated Frequency | Hz | 50 | 50 | ||
| 5 | Rated Current | A | 2000 | 2000 | ||
| 6 | Rated short-circuit breaking current Isc | kA | 31.5 | 25 | 31.5 | 25 |
| 7 | Rated short-time withstand current/duration | kA/s | 31.5/4 | 25/4 | 31.5/4 | 25/4 |
| 8 | Rated peak withstand current (peak) | kA | 80 | 63 | 80 | 63 |
| 9 | Rated short-circuit closing current (peak) | kA | 80 | 63 | 80 | 63 |
| 10 | First open pole coefficient | - | 1.5 | 1.5 | ||
| 11 | Rated out-of-phase breaking current | kA | Isc 25 % | Isc 25% | ||
| 12 | 1min frequency Open contact | kV | 95+24 | 95 | 95 | 95 |
| 13 | Withstand Voltage(RMS) Ground | 95 | 95 | 95 | 95 | |
| 14 | Lightning impulse Open contact | kV | 185+33 | 185 | 185 | 185 |
| 15 | Withstand voltage (peak) Ground | 185 | 185 | 185 | 185 | |
| 16 | Full breaking time | ms | ≤110 | ≤110 | ||
| 17 | Opening time | ms | 60.0-80.0 | 60.0-80.0 | ||
| 18 | Closing time | ms | 90.0-120.0 | 90.0-120.0 | ||
| 19 | Open-close time | ms | 300.0 | 300.0 | ||
| 20 | Close-open time | ms | 100.0-120.0 | 100.0-120.0 | ||
| 21 | Electrical time | time | 20 | 20 | ||
| 22 | Mechanical time | time | 10000 | 10000 | ||
| 23 | SF6 gas annual leakage rate | - | ≤0.5% | ≤0.5% | ||
| 24 | Rated operation sequence | - | O-0.3s-CO-180s-CO | O-0.3s-CO-180s-CO | ||
| 25 | Opening and closing operation voltage | V | DC220;110 | DC220;110 | ||
| 26 | Breaking circuit current | A | 2.3;4.6 | 2.3;4.6 | ||
| 27 | Closing circuit current | A | 3.0;6.0 | 3.0;6.0 | ||
| 28 | Motor voltage | V | DC220;AC220 | DC220;AC220 | ||
| 29 | SF6 gas pressure Rated pressure | MPa | 0.50 | 0.50 | 0.50 | 0.50 |
| Alarm pressure | 0.45 | 0.35 | 0.45 | 0.35 | ||
| Lockout pressure | 0.40 | 0.30 | 0.40 | 0.30 | ||
1. Adopt self-energy arc extinguishing principle. Excellent breaking performance;
2. Good electrical performance and high insulation level;
3. High mechanical reliability, long maintenance cycle, small maintenance workload;
4. Easy installation, simple debugging, low noise;
5. Reliable seal;
6. Long mechanical life, safe and reliable operation.
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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