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China
Model No:
CKWZ
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Contact Person Summer
No.6,Xianggong Road, Hongwan Industrial Park, Xiangzhou, Zhuhai, Guangdong
1.Description
CKWZ is a three-phase AC outdoor vacuum circuit breaker maximum up to *4kV rated voltage and *0Hz rated frequency.
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 fire, without explosion risk, and without violent vibration
(Exceeding above working condition is available as customized product)
3.Technical Data
|
Description |
Unit |
Parameter |
|
|
Rated voltage |
kV |
*2 |
*4 |
|
Rated frequency |
Hz |
*0 |
*0 |
|
Rated current |
A |
**0 |
**0 |
|
Rated short-time withstand current(4s) |
kA |
*0 |
*0 |
|
Rated peak withstand current |
kA |
*0 |
*0 |
|
Rated short-circuit making current(peak) |
kA |
*0 |
*0 |
|
Rated short-circuit breaking current |
kA |
*0 |
*0 |
|
Breaking times for rated short-circuit breaking current |
times |
*0 |
*0 |
|
Mechanical life |
times |
****0 |
****0 |
|
Power frequency withstand voltage(1min) |
kV |
*2/*8 |
*0/*0 |
|
Lighting impulse withstand voltage |
kV |
*5/*5 |
**5/**5 |
|
Clearance between open contacts |
mm |
9±1 |
*2±1 |
|
Withstand voltage for secondary circuit (1 min) |
V |
***0 |
***0 |
|
Opening speed |
m/s |
1.2±0.2 |
1.4±0.*5 |
|
Closing speed |
m/s |
0.8±0.2 |
0.8±0.2 |
|
Bounce time for contacts closing |
ms |
≤2 |
≤2 |
|
Opening simultaneity for three-phase |
ms |
≤2 |
≤2 |
|
Loop resistance (without disconnector) |
μΩ |
<*0 |
<*0 |
4. Standard
| Country: | China |
| Model No: | CKWZ |
| 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 : | - |
