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    • Moulded Case Circuit Breaker
    • Moulded Case Circuit Breaker
    • Moulded Case Circuit Breaker
    Moulded Case Circuit Breaker Moulded Case Circuit Breaker Moulded Case Circuit Breaker

    Moulded Case Circuit Breaker

    Construction & Features

    SKB-E series moulded case circuit breaker is one of breakers which adopts international advanced design, manufacture technology to develop.

    The rated insulating voltage is 500V, suitable for AC 50/60Hz, rated working voltage 500V or below, rated working current is 15A-400A of circuit and use in distributing electric energy.

    The product conforms to IEC 60947-2 standard.

     

    Specifications

    Type

    100F

    100N

    250F

    250N

    400N

    400H

    Number of Pole In at 40℃

    3

    1

    3-4

    3

    3

    3-4

    3-4

    Rated Current(A)

    15,16,20,25,
    30,32,40,45,
    50,60,63,75,
    80,100

    100,125,
    150160,
    175,200,
    225,250

    250,300,
    320,350,
    400

    Rated Insulating Voltage(V) Ui

    690

    690

    690

    690

    690

    690

    690

    Rated Impulse Withstand Voltage (kv) Uimp

    6

    6

    6

    6

    6

    8

    8

    Rated Operational Voltage(V)   Ue

    AC 50/60Hz

    550

    415

    550

    550

    550

    550

    550

    DC

    250

    125

    250

    250

    250

    250

    250

    Electrical Characteristics as Per IEC 60947-2,EN60947-2, JISC8201-2-1

    Ultimate Breaking IcCapacity(kA rms)

    AC 50/60Hz       110/130V

    25

    25

    25

    25

    50

    -

    -

    220/230/240V

    25

    18

    25

    25

    50

    85

    100

    380V

    10

    2.5

    18

    18

    25

    36

    50

    400/415V

    10

    2.5

    15

    18

    25

    36

    50

    400V

    7.5

    -

    10

    15

    20

    36

    50

    550V

    5

    -

    5

    5

    8

    15

    20

    DC 215V(1P)

    5

    5

    5

    5

    20

    -

    -

    250V (2P in series)

    5

    -

    5

    5

    20

    20

    40

    Rated Service Breaking Ics
    Capacity (kA rms)

    %Lcu                 110-400V

    50%

    50%

    50%

    50%

    50%

    50%

    50%

    415-550V

    50%

    50%

    50%

    50%

    50%

    -

    -

    Suitability for Isolation

    Utilisation Category

    A

    A

    A

    A

    A

    A

    A

    Pollution Degree

    3

    3

    3

    3

    3

    3

    3

    Endurance(C-O cycles)

    Mechanical

    8500

    8500

    8500

    10000

    10000

    4000

    4000

    Electrical In/415V

    1500

    1500

    1500

    5000

    5000

    1000

    1000

     

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