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Small Size Indoor Vacuum Circuit Breaker Device High Reliability Three Phase
Small Size Indoor Vacuum Circuit Breaker Device High Reliability Three Phase
Specifications
Brand Name :
Comking
Model Number :
CKVB-12/GB
Certification :
Type Test Report
Place of Origin :
China
Payment Terms :
L/C, T/T, Western Union
Packaging Details :
Wooden Packing
MOQ :
1set
Price :
To be discussed later
Delivery Time :
10-15 work days
Rated Voltage :
12kV
Rated Current :
630A,1250A,1600A,2000A,2500A,3150A,4000A
Rated Frequency :
50Hz
Type :
Indoor
Description

1. CKVB-12/GB is fixed/withdrawable circuit breaker.

2. Working Condition

2.1 Ambient air temperature: -25℃～+40℃

2.2 Ambient 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

2.3 Altitude: ≤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

Product tags

indoor high voltage vacuum breaker

,

indoor vacuum circuit breaker

,

vacuum circuit breaker panel
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Small Size Indoor Vacuum Circuit Breaker Device High Reliability Three Phase

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Product Detail
Brand Name :
Comking
Model Number :
CKVB-12/GB
Certification :
Type Test Report
Place of Origin :
China
Payment Terms :
L/C, T/T, Western Union
Packaging Details :
Wooden Packing
Contact Supplier
Small Size Indoor Vacuum Circuit Breaker Device High Reliability Three Phase

Zhuhai Comking Electric Co.,Ltd.

Active Member
6 Years
guangdong, zhuhai
Since 2006
Business Type :
Manufacturer
Main Products :
Power Distribution Switchgear, Solid Insulated Switchgear, Gas Insulated Switchgear
Employee Number :
300~500
Certification Level :
Active Member
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