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    Circuit Breakers

    (a.k.a. mini breakers, MCB, MCCB, molded case breaker, supplementary protection)

    The basics: a circuit breaker is a device that will interrupt the flow of current in an electrical circuit. This protects the surrounding electrical components and wiring from damage by electrical overloads or short circuits.
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    Items 1-12 of 713

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    1. MCB, 1P, 277 VAC, C Curve, 5A, UL1077, 5kA
      MCB, 1-Pole, 277VAC, C-Curve, 5A, UL1077, 5kA, Min UMBW-1C1-5
      14353585, This is the Recommended Replacement for UMBW-1B1-5 (14361538)
      $9.25
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    2. MCB, 1P, 277 VAC, C Curve, 20A, UL1077, 5kA
      MCB, 1-Pole, 277VAC, C-Curve, 20A, UL1077, 5kA, Mi UMBW-1C1-20
      13912234, This is the Recommended Replacement for UMBW-1B1-20 (14351012)
      $9.25
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    3. MCB, 1P, 277 VAC, C Curve, 15A, UL1077, 5kA
      MCB, 1-Pole, 277VAC, C-Curve, 15A, UL1077, 5kA, Mi UMBW-1C1-15
      14353581, This is the Recommended Replacement for UMBW-1B1-15 (14361512), UMBW-1B1-16 (14350148)
      $9.25
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    4. B1E1C2
      Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve B1E1C2
      1000443
      $11.05
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    5. B1E1C15
      Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve B1E1C15
      1000451
      $11.05
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    6. B1E1C5
      Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve B1E1C5
      1000446
      $11.05
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    7. Circuit Breaker, 1 Pole, C-Curve, 10 Amp, UL1077
      Circuit Breaker, 1-Pole, C-Curve, 10 Amp, UL1077, 1C10UR
      $13.25
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    8. Mini Circuit Breaker, 1P, C-Curve, 2A, UL489
      Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, B1N1C2
      1000025
      $13.60
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    9. Mini Circuit Breaker, 1P, C-Curve, 3A, UL489
      Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, B1N1C3
      1000026
      $13.60
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    10. Mini Circuit Breaker, 1P, C-Curve, 10A, UL489
      Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, B1N1C10
      1000031
      $13.60
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    11. Mini Circuit Breaker, 1P, C-Curve, 15A, UL489
      Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, B1N1C15
      1000033
      $13.60
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    12. Mini Circuit Breaker, 1P, C-Curve, 5A, UL489
      Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, B1N1C5
      1000028
      $13.60
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    Manufacturer
    1. ABL Sursum 2 items
    2. Altech Corp. 1 item
    3. Carlo Gavazzi 48 items
    4. LS Electric 196 items
    5. Noark 340 items
    6. Weg 126 items
    Voltage
    1. 60VDC 23 items
    2. 120/60 VAC/DC 6 items
    3. 125VDC 27 items
    4. 120/240VAC 113 items
    5. 220/240VAC 144 items
    6. 250VDC 46 items
    7. 277VAC 55 items
    8. 277/60 VAC/DC 13 items
    9. 277/480Y VAC 96 items
    10. 480Y/277VAC 212 items
    Trip Curve
    1. B Curve 522 items
    2. C Curve 713 items
    3. D Curve 671 items
    4. MCCB - Molded Case 334 items
    5. MMP - Manual Motor Protector 33 items
    6. See Spec or N/A 17 items
    Circuit Breaker Type
    1. UL1077 311 items
    2. UL489 401 items
    3. UL508 1 item
    Poles
    1. 1 Pole 247 items
    2. 2 Pole 243 items
    3. 3 Pole 168 items
    4. 4 Pole 55 items
    Product Series
    1. B1D Series 46 items
    2. B1E Series 84 items
    3. B1H Series (Ex9B1H) 53 items
    4. B1N Series (Ex9B1N) 69 items
    5. B1NQ Series 88 items
    6. BK Series 196 items
    7. GMB63 Series 25 items
    8. GSB63 Series 23 items
    9. UMBW Series 126 items
    10. UM Series 1 item
    11. UR Series 2 items
    Amp Rating
    1. 0.5 Amp 10 items
    2. 1 Amp 37 items
    3. 1.2 Amp 6 items
    4. 1.5 Amp 6 items
    5. 1.6 Amp 21 items
    6. 2 Amp 36 items
    7. 3 Amp 37 items
    8. 4 Amp 37 items
    9. 5 Amp 35 items
    10. 6 Amp 36 items
    11. 7 Amp 7 items
    12. 8 Amp 36 items
    13. 10 Amp 42 items
    14. 13 Amp 22 items
    15. 15 Amp 36 items
    16. 16 Amp 32 items
    17. 20 Amp 39 items
    18. 25 Amp 34 items
    19. 30 Amp 32 items
    20. 32 Amp 36 items
    21. 35 Amp 20 items
    22. 40 Amp 33 items
    23. 45 Amp 4 items
    24. 50 Amp 31 items
    25. 60 Amp 20 items
    26. 63 Amp 27 items
    27. See Spec 1 item
    Short Circuit Capacity
    1. 5kA 173 items
    2. 6kA 68 items
    3. 10kA 472 items
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