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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 results Products
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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

  • 26 Weeks
  • 5
    $10.86
  • 25
    $9.84
  • 50
    $9.40
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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

  • In Stock: 50

    Ships Immediately

  • MANUFACTURER STOCK 161

    can ship 5/18/26

  • 5
    $13.67
  • 25
    $12.99
  • 50
    $10.69
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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

  • 16 Weeks
  • 5
    $10.86
  • 25
    $9.84
  • 50
    $9.40
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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.

  • In Stock: 280

    Ships Immediately

  • MANUFACTURER STOCK 563

    can ship 5/18/26

  • 5
    $13.53
  • 25
    $12.90
  • 50
    $11.64
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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

  • In Stock: 174

    Ships Immediately

  • 5
    $18.22
  • 25
    $14.53
  • 50
    $11.65
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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

  • In Stock: 100

    Ships Immediately

  • MANUFACTURER STOCK 140

    can ship 5/18/26

  • 5
    $17.60
  • 25
    $14.46
  • 50
    $13.97
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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

  • MANUFACTURER STOCK 111

    can ship 5/18/26

  • 5
    $10.86
  • 25
    $9.84
  • 50
    $9.40
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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

  • In Stock: 128

    Ships Immediately

  • MANUFACTURER STOCK 319

    can ship 5/18/26

  • 5
    $10.86
  • 25
    $9.84
  • 50
    $9.40
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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 ...

  • In Stock: 46

    Ships Immediately

  • MANUFACTURER STOCK 216

    can ship 5/18/26

  • 5
    $29.88
  • 10
    $28.73
  • 25
    $26.54
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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)

  • In Stock: 29

    Ships Immediately

  • MANUFACTURER STOCK 463

    can ship 5/18/26

  • 1
    $39.28
  • 5
    $33.87
  • 10
    $27.57
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