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Contact Person Summer
No.6,Xianggong Road, Hongwan Industrial Park, Xiangzhou, Zhuhai, Guangdong
1. Description
CKWB is a three-phase AC smart outdoor vacuum
breaker use vacuum interrupter for arc extinguishing and
SF6gas
for insulation. It can work in the range of rated voltage maximum
up to *4kV.
2. Working Condition
2.1 Ambient air temperature:
**5℃～**0℃,daily range of temperature: diurnal variation
*5℃
2.2 Relative humidity: daily average data ≤*5%,
monthly average data ≤*0%
2.3 Seismic capacity: ≤magnitude 8, horizontal
acceleration ≤ 0.4g, vertical acceleration ≤ 0.2g
2.4 Altitude: ≤***0m
2.5 Pollution
classification:IV.
2.6 Wind speed: ≤*5m/s
2.7 Applicable in the places without obviously
pollution, fire, explosion risk and violent
vibration.
(Exceeding above working condition is available
as customized product)
3.Technical Data
| Description | Unit | Parameter |
| Rated voltage | kV | *2 |
| Rated frequency | Hz | *0 |
| Rated current | A | **0 |
| Rated short-time withstand current(4s) | kA | *0 |
| Rated peak withstand current | kA | *0 |
| Rated short-circuit making current(peak) | kA | *0 |
| Rated short-circuit breaking current | kA | *0 |
| Breaking times for rated short-circuit breaking current | times | *0 |
| Rated current breaking time | times | ****0 |
| Power frequency withstand voltage(1min) | kV | *2/*8 |
| Lighting impulse withstand voltage | kV | *5/*5 |
| Clearance between open contacts | mm | 9±1 0.5 |
| Overtravel for contacts | mm | 3±0.5 1 |
| Opening speed | m/s | 1.2±0.2 |
| Closing speed | m/s | 0.6±0.2 |
| Bounce time for contacts closing | ms | ≤2 |
| Opening simultaneity for three-phase | ms | ≤2 |
| Resistance for each phase conductive circuit | uΩ | ≤**0 |
| Closing time | ms | *0~*0 |
| Opening time | ms | *8~*0 |
| Rated power for stored-energy electromotor | W | ≯*0 |
| Rated voltage for stored-energy electromotor | V | AC**0 |
| Rated operating voltage for closing/opening | V | AC**0 |
| Max./ Min. operating voltage for closing | V | AC**4/**3 |
| Max./ Min operating voltage for opening | V | AC**4/**3 |
| Max./ Min. electromotor operating voltage | V | AC**2/**7 |
| Mechanical life | times | ****0 |
| SF6gas gauge pressure SF6 | Mpa | 0 |
| Country: | China |
| Model No: | - |
| FOB Price: | Get Latest Price |
| Place of Origin: | - |
| Price for Minimum Order: | - |
| Minimum Order Quantity: | - |
| Packaging Detail: | - |
| Delivery Time: | - |
| Supplying Ability: | - |
| Payment Type: | - |
| Product Group : | - |
