Front Panel Installation Indoor Vacuum Circuit Breaker Environmental Friendly

Brand Name:Comking
Certification:Type Test Report
Model Number:CKVB-24/GE
Minimum Order Quantity:1set
Delivery Time:10-15 work days
Payment Terms:L/C, T/T, Western Union
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Location: Zhuhai Guangdong China
Address: No.6, Futian Road, Xiangzhou,Zhuhai,China 519000
Supplier`s last login times: within 43 hours
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Product Details

1. CKVB-24/GE is the circuit breaker with right lateral.


2. Technical Data


DescriptionUnitParameter
Rated voltagekA24
Rated short-time withstand voltagephase-to-phase phase-to-earthkA65
open contactkA79
Rated lighting impulse withstand voltagephase-to-phase phase-to-earthkA125
open contactkA145
Rated frequencyHz50
Pole centre distancemm210, 230
Rated currentA6301250
Rated short-time withstand current(4s)kA2531.52531.5
Rated peak withstand currentkA63806380
Rated short-circuit breaking currentkA2531.52531.5
Rated short-circuit making currentkA63806380
Rated breaking cable charging currentA25
Rated capacitor bank inrush making currentkA12.5
Rated single capacitor bank breaking currentA630
Rated back to back capacitor bank breaking currentA400
Operating sequence/Opening-0.3s-Closing/Opening-180s-Closing/Opening
Mechanism lifetimes20000
Opening times for rated currenttimes20000
Opening times for rated short-circuit currenttimes50
Clearance between open contactsmm13±1
Overtravelmm4±1
Average closing speedm/s0.8~1.2
Average opening speedm/s1.1~1.7
Closing timems35~70
Opening timems20~50
Bounce time for contact’s closingms≤2
Asynchronous time for three-phase contacts closing / openingms≤1
Allowable accumulated wearing thickness of moving/fixing contactmm3

3. Standard

----GB1984-2003

---- IEC60056-2001

---- GB/T16927-1997

---- GB/T 4473-2008

---- DL/T403-2000

--- J B/T3855-2008


4. Working Condition

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

4.2 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

4.3 Altitude: ≤1000m

4.4 Earthquake intensity: ≤magnitude 8

4.5 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)


China Front Panel Installation Indoor Vacuum Circuit Breaker Environmental Friendly supplier

Front Panel Installation Indoor Vacuum Circuit Breaker Environmental Friendly

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