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Small Size Indoor Vacuum Circuit Breaker Device High Reliability Three Phase

    Buy cheap Small Size Indoor Vacuum Circuit Breaker Device High Reliability Three Phase from wholesalers
     
    Buy cheap Small Size Indoor Vacuum Circuit Breaker Device High Reliability Three Phase from wholesalers
    • Buy cheap Small Size Indoor Vacuum Circuit Breaker Device High Reliability Three Phase from wholesalers

    Small Size Indoor Vacuum Circuit Breaker Device High Reliability Three Phase

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    Brand Name : Comking
    Model Number : CKVB-12/GB
    Certification : Type Test Report
    Payment Terms : L/C, T/T, Western Union
    Price : To be discussed later
    Delivery Time : 10-15 work days
    • Product Details
    • Company Profile

    Small Size Indoor Vacuum Circuit Breaker Device High Reliability Three Phase

    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

    DescriptionUnitParameter
    Rated voltagekV12
    Short-time withstand voltagekV42
    Lighting impulse withstand voltagekV75
    Rated frequencyHz50
    Rated currentA630125016002000,25003150,4000
    Pole centre distancemm150210150210275210275275275
    Rated short-circuit breaking currentkA2531.52531.52531.52531.5404031.54031.54031.54040
    Rated short-circuit making currentkA6380638063806380100100801008010080100100
    Short-time withstand current(4s)kA2531.52531.52531.52531.5404031.54031.54031.54040
    Rated peak withstand currentkA6380638063806380100100801008010080100100
    Operating sequenceOpening-0.3s –closing opening-180s –closing opening
    Opening timems20~50
    Arc timems≤15
    Closing timems30~70
    Average closing speedm/s0.5~0.8
    Average opening speedm/s0.9~1.2
    Bounce time for contact’s closingms≤2
    Asynchronous time for contact’s closing / openingms≤2
    Allowable accumulated wearing thickness of moving/fixing contactmm3

    4. Standard

    ---- GB1984-2003

    ---- IEC60056-2001

    ---- GB/T16927-1997

    ---- GB/T 4473-2008

    ---- DL/T403-2000

    ---- JB/T3855-2008



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