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Load Control Air Load Break Switch , High Voltage Load Break Switch Short Circuit Protection

    Buy cheap Load Control Air Load Break Switch , High Voltage Load Break Switch Short Circuit Protection from wholesalers
     
    Buy cheap Load Control Air Load Break Switch , High Voltage Load Break Switch Short Circuit Protection from wholesalers
    • Buy cheap Load Control Air Load Break Switch , High Voltage Load Break Switch Short Circuit Protection from wholesalers

    Load Control Air Load Break Switch , High Voltage Load Break Switch Short Circuit Protection

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    Brand Name : Comking
    Certification : ISO9001,ISO14001,OHSAS18001
    Model Number : CKWZ
    Delivery Time : 10-15 work days
    Price : To be discussed later
    Payment Terms : L/C, T/T, Western Union
    • Product Details
    • Company Profile

    Load Control Air Load Break Switch , High Voltage Load Break Switch Short Circuit Protection

    1. Description

    CKWZ is a three-phase AC outdoor vacuum circuit breaker maximum up to 24kV rated voltage and 50Hz rated frequency.


    2. Working Condition

    2.1 Ambient air temperature: -45℃~+40℃,daily range of temperature: diurnal variation 25℃

    2.2 Relative humidity: daily average data ≤95%, monthly average data ≤90%

    2.3 Seismic capacity: ≤magnitude 8, horizontal acceleration ≤ 0.4g, vertical acceleration ≤ 0.2g

    2.4 Altitude: ≤1000m

    2.5 Pollution classification: IV.

    2.6 Wind speed: ≤35m/s

    2.7 Applicable in the places without fire, without explosion risk, and without violent vibration

    (Exceeding above working condition is available as customized product)


    3. Technical Data

    DescriptionUnitParameter
    Rated voltagekV1224
    Rated frequencyHz5050
    Rated currentA630630
    Rated short-time withstand current(4s)kA2020
    Rated peak withstand currentkA5050
    Rated short-circuit making current(peak)kA5050
    Rated short-circuit breaking currentkA2020
    Breaking times for rated short-circuit breaking currenttimes3030
    Mechanical lifetimes1000010000
    Power frequency withstand voltage(1min)kV42/4850/60
    Lighting impulse withstand voltagekV75/85125/145
    Clearance between open contactsmm9±112±1
    Withstand voltage for secondary circuit (1 min)V20002000
    Opening speedm/s1.2±0.21.4±0.25
    Closing speedm/s0.8±0.20.8±0.2
    Bounce time for contact’s closingms≤2≤2
    Opening simultaneity for three-phasems≤2≤2
    Loop resistance (without disconnector)μΩ<80<80

    4. Standard

    ---- GB1984-2003

    ---- GB/T11022-2011

    ---- GB/T11023-1989

    ---- GB311.1-1997

    ---- DL/T593-1996

    ---- DL/T402-1999

    ---- GB/T3309-1989

    ---- DL403-1999

    ---- IEC62271-100

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