Smart Outdoor Vacuum Breaker
| Model: | CKWB |
|---|---|
| Brand: | Comking |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Breaker & Protector |
| Label: | Outdoor VCB , Outdoor Breaker |
| Price: |
-
|
| Min. Order: | - |
Product Description
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 24kV.
2. Working Condition
2.1 Ambient air temperature: -45℃～+40℃,daily range of temperature: diurnal variation 25℃
2.2 Relative humidity: daily average data ≤95%, monthly average data ≤90%
2.3 Seismic capacity: ≤magnitude 8, horizontal acceleration ≤ 0.4g, vertical acceleration ≤ 0.2g
2.4 Altitude: ≤3000m
2.5 Pollution classification: IV.
2.6 Wind speed: ≤35m/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 |
12 |
|
Rated frequency |
Hz |
50 |
|
Rated current |
A |
630 |
|
Rated short-time withstand current(4s) |
kA |
20 |
|
Rated peak withstand current |
kA |
50 |
|
Rated short-circuit making current(peak) |
kA |
50 |
|
Rated short-circuit breaking current |
kA |
20 |
|
Breaking times for rated short-circuit breaking current |
times |
30 |
|
Rated current breaking time |
times |
10000 |
|
Power frequency withstand voltage(1min) |
kV |
42/48 |
|
Lighting impulse withstand voltage |
kV |
75/85 |
|
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 contact’s closing |
ms |
≤2 |
|
Opening simultaneity for three-phase |
ms |
≤2 |
|
Resistance for each phase conductive circuit |
uΩ |
≤130 |
|
Closing time |
ms |
20~60 |
|
Opening time |
ms |
18~60 |
|
Rated power for stored-energy electromotor |
W |
≯40 |
|
Rated voltage for stored-energy electromotor |
V |
AC220 |
|
Rated operating voltage for closing/opening |
V |
AC220 |
|
Max./ Min. operating voltage for closing |
V |
AC264/143 |
|
Max./ Min operating voltage for opening |
V |
AC264/143 |
|
Max./ Min. electromotor operating voltage |
V |
AC242/187 |
|
Mechanical life |
times |
10000 |
|
SF6gas gauge pressure SF6 |
Mpa |
“0” |
4. Standard
----GB1984-2003
----GB/T11022-1999
----GB/T11023-1989
----GB311.1-1997
----DL/T593-2006
----DL/T402-2007
----GB/T3309-1989
----DL403-2000
----IEC62271
Member Information
| Zhuhai Comking Electric Co.,Ltd. | |
|---|---|
| Country/Region: | Guang Dong - China |
| Business Nature: | Manufacturer |
| Phone: | 3951888 |
| Contact: | Summer (Sales) |
| Last Online: | 26 Feb, 2014 |
