Xi'an Xigao Electricenergy Group Co., Ltd.
Xi'an Xigao Electricenergy Group Co., Ltd.
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1. ZW20 type 10kv 11kv 12kv outdoor pole mounted auto recloser vacuum circuit breakers
ZW20-12 outdoor high voltage vacuum circuit breaker for a period of 12KV, rated voltage of the three-phase ac 50HZ outdoor distribution equipment. It adopts vacuum arcing and SF6 gas as insulating medium is W20-12 column type vacuum circuit breaker on the modified products.
ZW20 vacuum circuit breaker Mainly used for breaking, closing load current power system, overload current and short circuit current.
2. Parameters of vacuum circuit breaker
| No. | Content | Unit | Data |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated current | A | 630,1000 |
| 4 | Rated short circuit breaking current | kA | 12.5, 16, 20, 25 |
| 5 | Rated peak withstand current (peak) | kA | 31.5, 40, 50, 63 |
| 6 | Rated short time withstand current (4s) | kA | 12.5, 16, 20, 25 |
| 7 | Rated short-circuit current (peak) | kA | 31.5, 40, 50, 63 |
| 8 | Mechanical life times | time | 10000 |
| 9 | Rated short-circuit breaking current breaking times | time | 30 |
| 10 | 1 min power frequency withstand voltage (phase to earth) | kV | 42/48 |
| 11 | Peak lightning impulse withstand voltage (phase to earth) | kV | 75/85 |
| 12 | Secondary circuit power frequency withstand voltage 1 min | kV | 2 |
| 13 | Net weight | kg | 140 |
| 14 | Rated SF6 gas pressure (gauge pressure) | Mpa | "0" |
3. Application
Altitude: ≤2000m
Ambient Temperature: -40ºC ~ +40ºC
Relative humidity: daily≤95%, month≤90%
Earthquake intensity: ≤8
Wind speed: ≤34m/s
Installation site: Not including inflammable, explosive, chemical corrosion
4. Photo and drawing
5. Factory
6. Delivery
7. FAQ
1. Send the technical data, better for all useful information; we will make a good recommendation.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
2. The lead time depend on quantity of order. Some standard type is on stock. Otherwise, it will take 3-15 days.
3. Usually shipped by sea, small order or urgent order we can send you by air.
4. All our activities are accredited to ISO 14001:2015 and IEC standard.
5. Technology ensure the quality satisfy international request.