Miniature circuit breaker-FTB3LE

Short Description:

Mainly used in distribution lines of AC 50HZ, rated working voltage 400V, rated current not more than 63A. For overload & short circuit protection, also can be used for line non-frequent on-off operation and conversion.


  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Port: Shenzhen
  • Payment Terms: L/C,D/A,D/P,T/T
  • Technical data

    Product illustration

    Tripping characteristic

    Exterior and dimensions

    Related video

    Product illustration:

    FTB3LE

    Technical Data

    Model FTB3LE Residual current circuit-breaker
    Number of poles IP+N,2P,3P,3P+N,4P
    Rated frequency: AC 50/60Hz
    Rated voltage (V) AC 230/400
    Rated current (A) CD 6, 10, 16, 20, 25, 32, 40, 50, 636,10,16,20,25,32,40

    Rated residual operating current(mA)

    AC A 3030,50

    Rated residual non-operating current(mA)

    ACA 1515,25
    Residual current breaking time 30mA≦0.1s  250mA≦0.04s
    Rated short-circuit breaking capacity (KA) 40~63A6~32A 1012
    Rated residual current breaking capacity(KA) 4.5
    Mechanical & electrical life: 20,000 operations
    Installation  
    Protection rating IP20
    Installation On DIN rail 35mm according to JB6525
    Connection capacity: Cross-section of conductors up to 25mm², Cross-section of busbar from 0.8-2mm²,reversibility of connections
    Tightening torque 2 Nm
    Ambient temperature (°C) -5°C ~ +40°C
    Altitude (m) ≤2000m
    Relative air humidity no more than 95%
    Pollution degree
    Installation condition Used in place without obvious shock and vibration
    Weight (g) 80 490 610 710 820

    Exterior and dimensions

    FTB3LE11

    Number of poles width(mm) Modules
    1 / 2 54 3
    2 / 2 72 4
    3 / 3 100 5.5
    3 / 4 112.5 6.25
    4 / 4 130.5 7.25

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