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Vacuum Circuit Breaker CKVB-24/G
Vacuum Circuit Breaker CKVB-24/G
Vacuum Circuit Breaker CKVB-24/G
Vacuum Circuit Breaker CKVB-24/G
Specifications
Place of Origin :
China
Brand Name :
Comking
Model Number :
CKVB-24/G
Certification :
Type Test Report
Packaging Details :
Plywood Carton
Payment Terms :
T/T, L/C
Rated Voltage :
24kV
Description

1.Description

CKVB-24/G is a solid insulated vacuum circuit breaker with epoxy resin pole and working in a voltage range maximum up to 24kV. The CKVB-24/G family includes CKVB-24/GB, CKVB-24/GE.

2. Working Condition

2.1Ambient air temperature: -25℃～+40℃

2.2Ambient humidity:

----relative average daily humidity: ≤95%

----relative average daily water vapor pressure: ≤2.2kPa

----relative average monthly humidity: ≤90%

----relative average monthly water vapor pressure: ≤1.8kPa

2.3Altitude: ≤1000m

2.4 Earthquake intensity: ≤magnitude 8

2.5 Ambient air doesn’t obviously pollute by dust, smoke, corrosive or combustible gas, vapors or salt spray.

(Exceeding above working condition is available as customized product)

3.Technical Data

Description

Unit

Parameter

Rated voltage

kA

24

Rated short-time withstand voltage

phase-to-phase phase-to-earth

kA

65

open contact

kA

79

Rated lighting impulse withstand voltage

phase-to-phase phase-to-earth

kA

125

open contact

kA

145

Rated frequency

Hz

50

Pole centre distance

mm

210, 230

Rated current

A

630

1250

Rated short-time withstand current(4s)

kA

25

31.5

25

31.5

Rated peak withstand current

kA

63

80

63

80

Rated short-circuit breaking current

kA

25

31.5

25

31.5

Rated short-circuit making current

kA

63

80

63

80

Rated breaking cable charging current

A

25

Rated capacitor bank inrush making current

kA

12.5

Rated single capacitor bank breaking current

A

630

Rated back to back capacitor bank breaking current

A

400

Operating sequence

/

Opening-0.3s-Closing/Opening-180s-Closing/Opening

Mechanism life

times

20000

Opening times for rated current

times

20000

Opening times for rated short-circuit current

times

50

Clearance between open contacts

mm

13±1

Overtravel

mm

4±1

Average closing speed

m/s

0.8～1.2

Average opening speed

m/s

1.1～1.7

Closing time

ms

35～70

Opening time

ms

20～50

Bounce time for contact’s closing

ms

≤2

Asynchronous time for three-phase contacts closing / opening

ms

≤1

Allowable accumulated wearing thickness of moving/fixing contact

mm

3

4. Standard

----GB1984-2003

----IEC60056-2001

----GB/T16927-1997

----GB/T 4473-2008

----DL/T403-2000

----JB/T3855-2008

Contact: Summer Yang (+86 15916286020)
Email: international-sales01@zhcomking.com;comkingswitchgear@gmail.com
http://www.comkingswitchgear.com
www.zhcomking.com

Product tags

33kv vacuum circuit breaker

,

vacuum circuit breaker zn632

,

3ah5 vacuum circuit breakers
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Vacuum Circuit Breaker CKVB-24/G

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Product Detail
Place of Origin :
China
Brand Name :
Comking
Model Number :
CKVB-24/G
Certification :
Type Test Report
Packaging Details :
Plywood Carton
Payment Terms :
T/T, L/C
Contact Supplier
Vacuum Circuit Breaker CKVB-24/G
Vacuum Circuit Breaker CKVB-24/G

Zhuhai Comking Electric Co.,Ltd.

Active Member
9 Years
guangdong, zhuhai
Since 2006
Business Type :
Manufacturer
Main Products :
Load Break Switch, Ring Main Unit, Outdoor Circuit Breaker
Employee Number :
300~500
Certification Level :
Active Member
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