Qingdao Hengfengyou Electrical Engineering Co., Ltd.
| Delivery Time | 15 days |
| Packaging Details | wood pack |
| Supply Ability | 20000 pieces/year |
| Payment Terms | LC T/T |
| Brand Name | HENGFENGYOU |
| Model Number | Zw20-12 |
| Place of Origin | China |
| Certification | IEC CB COC KEMA SNI SABS CCC |
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Product Specification
| Delivery Time | 15 days | Packaging Details | wood pack |
| Supply Ability | 20000 pieces/year | Payment Terms | LC T/T |
| Brand Name | HENGFENGYOU | Model Number | Zw20-12 |
| Place of Origin | China | Certification | IEC CB COC KEMA SNI SABS CCC |
| High Light | vcb circuit breaker ，vacuum circuit switch | ||
ZW20A-12 Series Outdoor High Voltage Vacuum Circuit Breaker
Application
The ZW20A-12 is an advanced version of the ZW20-12 column vacuum circuit breaker with a mature box seal. Filled with SF6 gas, it has a good sealing performance, so that it is not affected by the external environment. It is a maintenance free product. Its spring operating mechanism adopts direct chain active transmission and multi-stage tripping system, which has high reliability and is the best choice for the circuit breaker on the pillar.
Parameters
| No. | Item | Unit | Data |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated current | A | 630,1250 |
| 4 | Rated short circuit breaking current | kA | 12.5,16,20,25 |
| 5 | Rated peak withstand current | kA | 31.5,40,50,63 |
| 6 | Rated short time tolerance current(4s) | kA | 12.5,16,20,25 |
| 7 | Rated short circuit opening and closing current | kA | 31.5,40,50,63 |
| 8 | Institution life | time | 10000 |
| 9 | Rated short open circuit current switch frequency | time | 30 |
| 10 | Rated current open circuit frequency | time | 10000 |
| 11 |
| kV | 42/48 |
| 12 | Lightning shock withstand pressure(peak)phase, ground/fracture | kV | 75/85 |
| 13 |
| kV | 2 |
| 14 | Net weight | kg | 140 |
About us
Qingdao Hengfengyou Electrical Engineering Co. , Ltd. is one of the large-scale electric complete
sets of manufacturers in China, specializing in oil-immersed transformers, dry-type transformers,
high-voltage Cabinets, low-voltage cabinets and substation manufacturing specialized electrical
enterprises. The company is located in the beautiful coastal city of china-qingdao. The company
has a registered capital of 10 million yuan, 20 senior technical personnel, more than 500 employees,
and a sound sales and service system, annual output value of US $1 billion, the products sell well
at home and abroad.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
3000-5000
Employee Number:
100~200
Ecer Certification：
Active Member
Qingdao Hengfengyou Electrical Engineering Co., LTD., subordinate to Hengfengshuai Group, is an export-oriented enterprise with transmission and distribution industry as its main business, integrating product research and development, manufacturing and trade. Its main product... Qingdao Hengfengyou Electrical Engineering Co., LTD., subordinate to Hengfengshuai Group, is an export-oriented enterprise with transmission and distribution industry as its main business, integrating product research and development, manufacturing and trade. Its main product...
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