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CKWB Smart Outdoor Vacuum Breaker
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CKWB Smart Outdoor Vacuum Breaker

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Contact Person Summer

No.6,Xianggong Road, Hongwan Industrial Park, Xiangzhou, Zhuhai, Guangdong

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Product Specification

  • Brand Name: Comking

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 *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 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 **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
 
 
4. Standard
***-GB********3
***-GB/T*********9
***-GB/T*********9
***-GB**1.*****7
***-DL/T*******6
***-DL/T*******7
***-GB/T********9
***-DL*******0
***-IEC****1

Country: China
Model No: -
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Summer < Zhuhai Comking Electric Co., Ltd. >

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