| 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.
1. The circuit breaker is suitable for three-phase AC 50Hz, 35kV and below power distribution lines.
2. The circuit breaker is mainly used for the control and protection of the power system, and is used for breaking and closing the load current, overload current and short circuit current.
3. Enforce standards
GB1984-2014
GB/T11022-2011
DL/T402-2016
IEC62271 -100
1. The ambient air temperature does not exceed 40 ° C, and the average temperature measured within 24 hours does not exceed 35 ° C; The minimum ambient air temperature is -40 ° C;
2. Solar radiation up to 1000W/m2 (noon on a sunny day) should be considered;
3. The altitude does not exceed 2000m;
4. The surrounding air may be contaminated by dust, smoke, corrosive gases, vapors or salt spray. Pollution level shall not exceed IEC 60815 Table 1 Level IV (serious pollution);
5. The ice covering range should be considered from 1mm to 20mm, but not more than 20mm;
6. Wind speed does not exceed 34m/s (corresponding to 700Pa on the surface of the cylinder);
7. Condensation and precipitation should be considered;
8. Vibration or ground motion from outside the switchgear and control equipment has no obvious relationship with the normal operation of the equipment;
9. Special conditions of use;
If different from the above conditions of use, please negotiate with the manufacturer and reach an agreement.
| No. | Name | Unit | Parameters | ||
| 1 | Rated voltage | kV | 40.5 | ||
| 2 | Rated insulation level | Rated short-time withstand voltage | Dry condition Moist condition |
kV | (pole-to-pole,polally)95/(vacuum fracture)118 80 |
| Rated lightening impulse withstand voltage | (pole-to-pole,polally)185/(vacuum fracture)215 | ||||
| 3 | Rated frequency | Hz | 50 | ||
| 4 | Rated current | A | 1250,1600 1250,1600,2000,2500 | ||
| 5 | Rated short-time withstand current | kA | 25 31.5 | ||
| 6 | Rated peak withstand current | kA | 63 80 | ||
| 7 | Rated short-circuit breaking current | kA | 25 31.5 | ||
| 8 | Rated short-circuit opening/closing current | kA | 63 80 | ||
| 9 | Rated short-circuit lasting time | S | 4 | ||
| 10 | DC component of rated short-circuit breaking current | % | 50 | ||
| 11 | Transient recovery voltage (TRV) peak | kV | 69.5 | ||
| 12 | Rated operational sequence | 0-0.3s-C0-180s-C0 | |||
| 13 | Total breaking time | ms | ≤70 | ||
| 14 | Cable-charging breaking current | A | 50 | ||
| 15 | Classification | E2-C2-M2 | |||
| 16 | Breaking times of rated short-circuit breaking current | Time | 30 | ||
| 17 | Rated breaking current of back-to-back capacitor units | A | 400 | ||
| 18 | Rated out-of-phase breaking current | kA | Iscx25% | ||
| 19 | Close-in fault breaking current | kA | lsc×90% lsc×75% | ||
| 20 | Different phases earthing fault breaking current | kA | 21.7 27.3 | ||
| 21 | Noise grade | dB | ≤110 | ||
1. Pillar type completely closed structure with high sealing performance;
The arc extinguishing chamber is filled with vacuum silicone grease between the insulation cylinder, which has good sealing, aging resistance and high pressure resistance. The vacuum arc extinguishing and silicone grease insulation have good breaking performance and high safety and reliability.
High insulation level, heater installed in the box to prevent electrical components from moisture, adapt to high altitude and low temperature environment operation;
Effectively solve the condensation problem, avoid the defects caused by inflation and oil filling, long life, small maintenance workload;
2. Specially equipped with current transformer, multi-group secondary, high precision, large capacity;
3. Convenient and flexible installation structure.
The circuit breaker has a variety of structures such as side mounted type, middle type and built-in insulated tie rod, which is convenient for users to choose.
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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