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| Categories | Vacuum Circuit Breaker |
|---|---|
| Brand Name: | HENGFENGYOU |
| Model Number: | Zw20-12 |
| Place of Origin: | China |
| MOQ: | 1 |
| Delivery Time: | 15 days |
| Packaging Details: | wood pack |
| Supply Ability: | 20000 pieces/year |
| Payment Terms: | LC T/T |
| Price: | 500-30000 |
| Certification: | IEC CB COC KEMA SNI SABS CCC |
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.
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