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E-T-A UL 1077 & UL 489 4230-T Miniature Circuit Breakers

The 4230 is a thermal-magnetic Miniature Circuit Breaker (MCB) in an industry standard footprint in accordance with DIN 43880. It can be used to protect motors, generators, and transformers, in addition to industrial control systems and machines.

  • In-Stock and Reay to Ship - the 4230-T is in stock and ready to ship to you directly from Master Electronics
  • Fit for Global Use - Do you install equipment globally? The 4230-T's conformity with UL1077, UL 489, and IEC 60947-2 standards, make it ideal for global use
  • Streamlined Inventory - Looking for ways to reduce inventory investment and complexity? You can use the 4230-T in both AC and DC applications.
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38 PRODUCT RESULTS FOR ""

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38 Products

    4230-T110-K0CU-30A
    Data Sheet
    4230-T110-K0CU-30A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 30A - 1 Pole - Screw Terminals - UL489/IEC/EN60947-2(TÜV)
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    In Stock: 3
    Ships Immediately
    MANUFACTURER STOCK 25
    can ship 12/5/25
    1
    $71.481
    10
    $42.203
    25
    $39.002
    50
    $32.310
    100
    $28.835
    4230-T110-K0DE-40A
    Data Sheet
    4230-T110-K0DE-40A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 40A - 1 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    26 Weeks
    5
    $16.630
    25
    $15.068
    50
    $14.394
    100
    $13.981
    250
    $13.215
    4230-T110-K0DE-50A
    Data Sheet
    4230-T110-K0DE-50A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 50A - 1 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 6
    Ships Immediately
    MANUFACTURER STOCK 144
    can ship 12/5/25
    5
    $12.435
    25
    $11.822
    50
    $11.546
    100
    $11.378
    250
    $11.071
    4230-T110-K0DE-6A
    Data Sheet
    4230-T110-K0DE-6A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 6A - 1 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    MANUFACTURER STOCK 129
    can ship 12/5/25
    5
    $16.630
    25
    $15.068
    50
    $14.394
    100
    $13.981
    250
    $13.215
    4230-T120-K0BE-50A
    Data Sheet
    4230-T120-K0BE-50A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 50A - 2 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 133
    Ships Immediately
    MANUFACTURER STOCK 36
    can ship 12/5/25
    1
    $40.871
    10
    $33.000
    25
    $32.525
    50
    $26.936
    100
    $24.700
    4230-T120-K0CE-10A
    Data Sheet
    4230-T120-K0CE-10A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 10A - 2 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 186
    Ships Immediately
    MANUFACTURER STOCK 20
    can ship 12/5/25
    1
    $42.386
    10
    $34.087
    25
    $33.550
    50
    $27.595
    100
    $25.420
    4230-T120-K0CE-15A
    Data Sheet
    4230-T120-K0CE-15A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 15A - 2 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 55
    Ships Immediately
    MANUFACTURER STOCK 176
    can ship 12/5/25
    1
    $42.937
    10
    $34.087
    25
    $33.567
    50
    $27.425
    100
    $25.619
    4230-T120-K0CE-20A
    Data Sheet
    4230-T120-K0CE-20A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 20A - 2 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 119
    Ships Immediately
    MANUFACTURER STOCK 122
    can ship 12/5/25
    1
    $29.263
    10
    $26.645
    25
    $25.619
    50
    $24.822
    100
    $24.041
    4230-T120-K0CE-25A
    Data Sheet
    4230-T120-K0CE-25A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 25A - 2 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 3
    Ships Immediately
    1
    $57.424
    10
    $45.419
    25
    $41.973
    50
    $40.458
    100
    $37.655
    4230-T120-K0CE-35A
    Data Sheet
    4230-T120-K0CE-35A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 35A - 2 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 8
    Ships Immediately
    1
    $22.418
    10
    $21.117
    25
    $20.811
    50
    $20.488
    100
    $19.953