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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-K0BE-1.6A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 1.6A - 1 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    26 Weeks

    5
    $11.19
    25
    $10.14
    50
    $9.68
    100
    $9.40
    250
    $8.89
    4230-T110-K0BE-16A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 16A - 1 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 50
    Immediately
    MANUFACTURER STOCK 140
    Ships 10/9/26

    5
    $11.04
    25
    $10.34
    50
    $10.04
    100
    $9.74
    250
    $9.34
    4230-T110-K0BE-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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    MANUFACTURER STOCK 124
    Ships 10/9/26

    5
    $11.87
    25
    $10.75
    50
    $10.27
    100
    $9.97
    250
    $9.42
    4230-T110-K0CE-10A E-T-A Engineering Technology
    A single-pole, 10A thermal-magnetic miniature circuit breaker for DIN rail mounting with a C trip characteristic.
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    In Stock: 308
    Immediately
    MANUFACTURER STOCK 804
    Ships 10/9/26

    5
    $13.93
    25
    $13.06
    50
    $11.83
    100
    $10.00
    250
    $9.53
    4230-T110-K0CE-20A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 20A - 1 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 292
    Immediately
    MANUFACTURER STOCK 1118
    Ships 10/9/26

    5
    $16.33
    25
    $15.73
    50
    $15.61
    100
    $15.53
    250
    $15.50
    4230-T110-K0CE-25A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 25A - 1 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 100
    Immediately
    MANUFACTURER STOCK 138
    Ships 10/9/26

    5
    $11.04
    25
    $10.34
    50
    $10.04
    100
    $9.74
    250
    $9.34
    4230-T110-K0CE-30A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 30A - 1 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    MANUFACTURER STOCK 98
    Ships 10/9/26

    5
    $24.54
    25
    $20.18
    50
    $19.01
    100
    $17.24
    250
    $17.06
    4230-T110-K0CE-5A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 5A - 1 Pole - Screw Terminals - IEC/EN 60947-2(TÜV)/UL1077
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    In Stock: 128
    Immediately
    MANUFACTURER STOCK 312
    Ships 10/9/26

    5
    $17.35
    25
    $16.72
    50
    $15.67
    100
    $14.67
    250
    $14.64
    4230-T110-K0CU-10A E-T-A Engineering Technology
    A single-pole, 10A thermal-magnetic miniature circuit breaker with a C trip curve, designed for DIN rail mounting ...
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    In Stock: 46
    Immediately
    MANUFACTURER STOCK 485
    Ships 10/9/26

    1
    $35.14
    5
    $33.98
    10
    $31.99
    25
    $30.09
    50
    $28.27
    4230-T110-K0CU-20A E-T-A Engineering Technology
    Thermal-magnetic Circuit Breaker - DIN Mount - 20A - 1 Pole - Screw Terminals - UL489/IEC/EN60947-2(TÜV)
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    In Stock: 29
    Immediately
    MANUFACTURER STOCK 491
    Ships 10/9/26

    1
    $21.76
    5
    $20.39
    10
    $19.82
    25
    $19.03
    50
    $18.45