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Zhejiang Sefie Electric Co.,Ltd.

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Overload Miniature Current Circuit Breaker B / C / D Tripping Curve

Overload Miniature Current Circuit Breaker B / C / D Tripping Curve

    • Overload Miniature Current Circuit Breaker B / C / D Tripping Curve
    • Overload Miniature Current Circuit Breaker B / C / D Tripping Curve
  • Overload Miniature Current Circuit Breaker B / C / D Tripping Curve

    Product Details:

    Place of Origin: Wenzhou,China
    Brand Name: SEFIE
    Certification: CE, ROHS, CB
    Model Number: SFM4-63

    Payment & Shipping Terms:

    Minimum Order Quantity: 2000-3000
    Price: Negotiable
    Packaging Details: 240 pcs per carton, 12 pcs per box
    Delivery Time: 14 days after receipt of deposit
    Supply Ability: 200000 pcs per month
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    Detailed Product Description
    Pole Number: 1,2,3,4 Handle: Orange Or Other
    Material: Bakelite , Plastic Rated Vurrent: 6a-63a
    Breaking Capacity: 6kA Tripping Curve: B,C,D
    High Light:

    miniature circuit breakers

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    SFM4-63 series mini Circuit Breaker mini circuit breaker is mainly suitable for overload and short circuit protection. It is especially used for illumination and distribution in industry and commerce, etc. it has pleasing outlook & high breaking capacity, reliable performance, high inflammable resistance and shock resistance for long service life. It is within the circuit of AC 50/60Hz, rated voltage of single pole up to 240V, two, three or four poles up to 415V. It can also be used for an infrequent change over of the circuit and illumination under normal condition.

     

    Electrical Feature
     
    1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63
    Poles 1P, 2P, 3P, 4P
    Rate voltage(V) Ue 230/400~240/415
    Insulation voltage(V) Ui 500
    Rated frequency(Hz) 50
    Tripping curve B,C,D Type
    Standard IEC60898-1
    Breaking capacity(Ka) 10
     
     
    Power loss per pole
     
    Rated current(A) Max power loss per pole(W)
    1, 2, 3, 4, 6, 10 2
    16, 20, 25, 32, 3.5
    40, 50, 63, 5
    Pollution degree
    Energy limiting class 3

     

     

    Mechanical Features
    Electrical life 4000
    Mechanical life 20000
    Contact position indicator NO
    Protection degree IP20
    Reference temperature for setting of thermal element 30℃
    Working ambient temperature -5~40℃
    Storage temperature -25~70℃

     

     

    Installation
    Terminal connection type Cable
    Mounting On DIN rail IEC60715(35mm) by means of fast clip device

    Temperature derating

    The maximum permissible crrent in a circuit breaker depends on the ambient temperature where the circuit breaker is placed. Ambient termperature is the temperature in side the enclosure or switchboard in which the circuit breakers are installed.
    The reference temperature is 30℃

    Overload Miniature Current Circuit Breaker B / C / D Tripping Curve

    Rated current(A)
    -35℃
    -30℃
    -20℃
    -10℃
    0℃
    10℃
    1
    1.3
    1.26
    1.23
    1.19
    1.15
    1.11
    2
    2.6
    2.52
    2.46
    2.38
    2.28
    2.2
    3
    3.9
    3.78
    3.69
    3.57
    3.42
    3.3
    4
    5.2
    5.04
    4.92
    4.76
    4.56
    4.4
    6
    7.8
    7.56
    7.38
    7.14
    6.86
    6.6
    10
    13.2
    12.7
    12.5
    12
    11.5
    11.1
    16
    21.12
    20.48
    20
    19.2
    18.4
    17.76
    20
    26.4
    25.6
    25
    24
    23
    22.2
    25
    33
    32
    31.25
    30
    28.75
    27.75
    32
    42.56
    41.28
    40
    38.72
    37.12
    35.52
    40
    53.2
    51.2
    50
    48
    46.4
    44.8
    50
    67
    65.5
    63
    60.5
    58
    56
    63
    83.79
    81.9
    80
    76.86
    73.71
    70.56

     

     

    Rated current(A)
    20℃
    30℃
    40℃
    50℃
    60℃
    70℃
    1
    1.05
    1
    0.96
    0.93
    0.88
    0.83
    2
    2.08
    2
    1.92
    1.86
    1.76
    1.66
    3
    3.12
    3
    2.88
    2.79
    2.64
    2.49
    4
    4.16
    4
    3.84
    3.76
    3.52
    3.32
    6
    6.24
    6
    5.76
    5.64
    5.28
    4.98
    10
    10.6
    10
    9.6
    9.3
    8.9
    8.4
    16
    16.96
    16
    15.36
    14.88
    14.24
    13.44
    20
    21.2
    20
    19.2
    18.6
    17.8
    16.8
    25
    26.5
    25
    24
    23.25
    22.25
    21
    32
    33.92
    32
    30.72
    29.76
    28.16
    26.88
    40
    42.4
    40
    38.4
    37.2
    35.6
    33.6
    50
    53
    50
    48
    46.5
    44
    41.5
    63
    66.78
    63
    60.48
    58.9
    55.44
    52.29

    Contact Details
    Zhejiang Sefie Electric Co.,Ltd.

    Contact Person: Zhang

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    Zhejiang Sefie Electric Co.,Ltd.
    Xiangyang Industrial Zone,Liushi,Wenzhou,china
    Tel:86--13757878660
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