| 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.
| No. | Item | Unit | Parameter | ||||||
| 6.3KA | 12.5KA | 20KA | |||||||
| 1 | Rated voltage | kV | 12 | ||||||
| 2 | Rated current | A | 630 | ||||||
| 3 | Rated short-circuit breaking current | kA | 6.3 | 12.5 | 20 | ||||
| 4 | Rated short-circuit closing current (peak) | kA | 16 | 31.5 | 50 | ||||
| 5 | Rated peak withstand current | kA | 16 | 31.5 | 50 | ||||
| 6 | Rated short-time withstand current | kA | 6.3 | 12.5 | 20 | ||||
| 7 | Rated insulation level | 1min power frequency withstand voltage (Dry-type) | KV | 42 | |||||
| Lightening impulse withstand voltage (peak) | 75 | ||||||||
| 8 | Rated operational sequence | Time | Opening-0.3 S-Closing. opening-180 S-Closing,opening | ||||||
| 9 | Mechanical life | 10000 | |||||||
| 10 | Rated short-circuit breaking current | Time | 30 | ||||||
| 11 | Rated switching voltage of operational mechanism | V | 110,220 | ||||||
| 12 | Rated tripping current of operational mechanism | V | 110,220 | ||||||
| 13 | Contacts distance | mm | 11±1 | ||||||
| 14 | Overstroke (Contact spring compression length) | mm | 3 +0.1 -0.3 |
||||||
| 15 | Three phase switching, closing heterogeneity | ms | ≤2 | ||||||
| 16 | Contact closing bounce time | ms | ≤2 | ||||||
| 17 | Average opening speed | m/s | 1.0±0.2 | ||||||
| 18 | Average closing speed | m/s | 0.7±0.15 | ||||||
| 19 | Opening time | Max. operational voltage | S | 0.015-0.05 | |||||
| Min. operational voltage | 0.03-0.06 | ||||||||
| 20 | Closing time | S | 0.025-0.05 | ||||||
| 21 | Main circuit loop resistance of each phase | μ Ω | ≤120 | ||||||
| 22 | Allowable wear accumulation thickness of static and static contacts | mm | 3 | ||||||
ZW8-12
ZW8-12G
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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