Home /Circuit Breakers /

Vacuum Circuit Breaker CKVB-12/G

Vacuum Circuit Breaker CKVB-12/G

Brand Name:Comking
Certification:Type Test Report
Model Number:CKVB-12/G
Payment Terms:T/T, L/C
Place of Origin:China
Packaging Details:Plywood Carton
Contact Now

Add to Cart

Active Member
Location: Zhuhai Guangdong China
Address: No.6, Futian Road, Xiangzhou,Zhuhai,China 519000
Supplier`s last login times: within 2 hours
Shipping
lt's easy to get a shipping quote! Just click the button below and complete the short form.
Get Shipping Quote
Product Details Company Profile
Product Details

1.Description

CKVB-12/G is a solid insulated vacuum circuit breaker with epoxy resin pole and working in a voltage range maximum up to 12kV. The CKVB-12/G family includes CKVB-12/GA, CKVB-12/GB, CKVB-12/GC, and CKVB-12/GD.


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

kV

12

Short-time withstand voltage

kV

42

Lighting impulse withstand voltage

kV

75

Rated frequency

Hz

50

Rated current

A

630

1250

1600

2000,2500

3150,4000

Pole centre distance

mm

150

210

150

210

275

210

275

275

275

Rated short-circuit breaking current

kA

25

31.5

25

31.5

25

31.5

25

31.5

40

40

31.5

40

31.5

40

31.5

40

40

Rated short-circuit making current

kA

63

80

63

80

63

80

63

80

100

100

80

100

80

100

80

100

100

Short-time withstand current(4s)

kA

25

31.5

25

31.5

25

31.5

25

31.5

40

40

31.5

40

31.5

40

31.5

40

40

Rated peak withstand current

kA

63

80

63

80

63

80

63

80

100

100

80

100

80

100

80

100

100

Operating sequence


Opening-0.3s –closing opening-180s –closing opening

Opening time

ms

20~50

Arc time

ms

≤15

Closing time

ms

30~70

Average closing speed

m/s

0.5~0.8

Average opening speed

m/s

0.9~1.2

Bounce time for contact’s closing

ms

≤2

Asynchronous time for contact’s closing / opening

ms

≤2

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

China Vacuum Circuit Breaker CKVB-12/G supplier

Vacuum Circuit Breaker CKVB-12/G

Inquiry Cart 0