Home >  Products > Low-voltage Electrical Products > MCB > YCB6-63 Miniature Circuit Breaker

YCB6-63 Miniature Circuit Breaker


  • 1.Overload protection
    2.Short circuit protection
    3.Controlling
    4.Used in residential building, non-residential building, energy source industr y and infrastructure.
    5.Classified as follows according to the type of instantaneous release: type B(3-5)ln, type C(5-10)ln, type D(10-16)ln


  • TypeTest currentTripping timeTypeTest currenTripping time
    B,C,D1.13Int≤1h(In≤63A)B3Int≤0.1s
    1.13Int≤2h(In>63A)C5Int≤0.1s
    B,C,D1.45Int<1h(In≤63A)D10Int≤0.1s
    1.45Int<2h(In>63A)B5Int<0.1s
    B,C,D2.55In1s<t<60s(In≤32A)C10Int<0.1s
    2.55In1s<t<120s(In>32A)D16Int<0.1s

    TypeStandardlEC/EN 60947-3
    Electrical
    features
    Rated current InA32, 40, 50, 63, 80, 100
    PolesP1, 2, 3, 4
    Rated voltage UeV230/400
    Insulation voltage UiV500
    Rated frequencyHz50/60
    Rated breaking capacity Icn12Ie, 1s
    Rated impulse withstand voltage (1.2/50) UimpV4000
    Dielectric test voltage at ind. Freq. for 1minkV2.5
    Rated making and breaking capacity3Ie, 1.05Ue, cosφ=0.65
    Rated short circuit making capacity20Ie, t=0.1s
    Pollution degree2
    Utilization categoryAC-22A
    Mechanical
    features
    Electrical lifet1500
    Mechanical lifet8500
    Protection degreeIP20
    Ambient temperature (with daily average≤35℃)-5~+40
    InstallationTerminal size top / bottom for cablemm²50
    AWG18-1/0
    ConnectionFrom top and bottom
  • Curve

    B,C,D Curve


    Overall and mounting dimensions(mm)