Circuit Breakers

Circuit breakers are an essential component of any electrical system, protecting against power surges, short circuits, and other electrical hazards. They are also designed to trip when the electrical current exceeds a certain level, preventing damage to the electrical system. The breaker should be able to handle the amount of electrical current that flows through your system, so it's important to choose a breaker that is appropriately sized. A breaker that is too small won't be able to protect your electrical system, while a breaker that is too large will be more expensive and difficult to install.

  • B1H1B13 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 13A, 10 kA, 277 Vac, Box Lug

    B1H1B13

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 13A, 10 kA, 277 Vac, Box Lug
  • B1H1B15 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 15A, 10 kA, 277 Vac, Box Lug

    B1H1B15

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 15A, 10 kA, 277 Vac, Box Lug
  • B1H1B16 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 16A, 10 kA, 277 Vac, Box Lug

    B1H1B16

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 16A, 10 kA, 277 Vac, Box Lug
  • B1H1B2 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 2A, 10 kA, 277 Vac, Box Lug

    B1H1B2

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 2A, 10 kA, 277 Vac, Box Lug
  • B1H1B20 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 20A, 10 kA, 277 Vac, Box Lug

    B1H1B20

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 20A, 10 kA, 277 Vac, Box Lug
  • B1H1B25 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 25A, 10 kA, 277 Vac, Box Lug

    B1H1B25

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 25A, 10 kA, 277 Vac, Box Lug
  • B1H1B3 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 3A, 10 kA, 277 Vac, Box Lug

    B1H1B3

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 3A, 10 kA, 277 Vac, Box Lug
  • B1H1B30 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 30A, 10 kA, 277 Vac, Box Lug

    B1H1B30

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 30A, 10 kA, 277 Vac, Box Lug
  • B1H1B32 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 32A, 10 kA, 277 Vac, Box Lug

    B1H1B32

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 32A, 10 kA, 277 Vac, Box Lug
  • B1H1B4 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 4A, 10 kA, 277 Vac, Box Lug

    B1H1B4

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 4A, 10 kA, 277 Vac, Box Lug
  • B1H1B5 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 5A, 10 kA, 277 Vac, Box Lug

    B1H1B5

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 5A, 10 kA, 277 Vac, Box Lug
  • B1H1B6 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 6A, 10 kA, 277 Vac, Box Lug

    B1H1B6

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 6A, 10 kA, 277 Vac, Box Lug
  • B1H1B7 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 7A, 10 kA, 277 Vac, Box Lug

    B1H1B7

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 7A, 10 kA, 277 Vac, Box Lug
  • B1H1B8 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 8A, 10 kA, 277 Vac, Box Lug

    B1H1B8

    $19.92
    $22.13
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 8A, 10 kA, 277 Vac, Box Lug
  • B1H1C0.5 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 0.5A, 10 kA, 277 Vac, Box Lug

    B1H1C0.5

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 0.5A, 10 kA, 277 Vac, Box Lug
  • B1H1C1 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 1A, 10 kA, 277 Vac, Box Lug

    B1H1C1

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 1A, 10 kA, 277 Vac, Box Lug
  • B1H1C1.6 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 1.6A, 10 kA, 277 Vac, Box Lug

    B1H1C1.6

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 1.6A, 10 kA, 277 Vac, Box Lug
  • B1H1C10 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 10A, 10 kA, 277 Vac, Box Lug

    B1H1C10

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 10A, 10 kA, 277 Vac, Box Lug
  • B1H1C13 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 13A, 10 kA, 277 Vac, Box Lug

    B1H1C13

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 13A, 10 kA, 277 Vac, Box Lug
  • B1H1C15 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 15A, 10 kA, 277 Vac, Box Lug

    B1H1C15

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 15A, 10 kA, 277 Vac, Box Lug
  • B1H1C16 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 16A, 10 kA, 277 Vac, Box Lug

    B1H1C16

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 16A, 10 kA, 277 Vac, Box Lug
  • B1H1C2 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 2A, 10 kA, 277 Vac, Box Lug

    B1H1C2

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 2A, 10 kA, 277 Vac, Box Lug
  • B1H1C20 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 20A, 10 kA, 277 Vac, Box Lug

    B1H1C20

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 20A, 10 kA, 277 Vac, Box Lug
  • B1H1C25 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 25A, 10 kA, 277 Vac, Box Lug

    B1H1C25

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 25A, 10 kA, 277 Vac, Box Lug
  • B1H1C3 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 3A, 10 kA, 277 Vac, Box Lug

    B1H1C3

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 3A, 10 kA, 277 Vac, Box Lug
  • B1H1C30 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 30A, 10 kA, 277 Vac, Box Lug

    B1H1C30

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 30A, 10 kA, 277 Vac, Box Lug
  • B1H1C32 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 32A, 10 kA, 277 Vac, Box Lug

    B1H1C32

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 32A, 10 kA, 277 Vac, Box Lug
  • B1H1C4 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 4A, 10 kA, 277 Vac, Box Lug

    B1H1C4

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 4A, 10 kA, 277 Vac, Box Lug
  • B1H1C5 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 5A, 10 kA, 277 Vac, Box Lug

    B1H1C5

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 5A, 10 kA, 277 Vac, Box Lug
  • B1H1C6 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 6A, 10 kA, 277 Vac, Box Lug

    B1H1C6

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 6A, 10 kA, 277 Vac, Box Lug
  • B1H1C7 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 7A, 10 kA, 277 Vac, Box Lug

    B1H1C7

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 7A, 10 kA, 277 Vac, Box Lug
  • B1H1C8 Noark Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 8A, 10 kA, 277 Vac, Box Lug

    B1H1C8

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, C Curve, 8A, 10 kA, 277 Vac, Box Lug
  • B1H1D0.5 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 0.5A, 10 kA, 277 Vac, Box Lug

    B1H1D0.5

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 0.5A, 10 kA, 277 Vac, Box Lug
  • B1H1D1 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 1A, 10 kA, 277 Vac, Box Lug

    B1H1D1

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 1A, 10 kA, 277 Vac, Box Lug
  • B1H1D1.6 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 1.6A, 10 kA, 277 Vac, Box Lug

    B1H1D1.6

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 1.6A, 10 kA, 277 Vac, Box Lug
  • B1H1D10 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 10A, 10 kA, 277 Vac, Box Lug

    B1H1D10

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 10A, 10 kA, 277 Vac, Box Lug
  • B1H1D13 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 13A, 10 kA, 277 Vac, Box Lug

    B1H1D13

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 13A, 10 kA, 277 Vac, Box Lug
  • B1H1D15 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 15A, 10 kA, 277 Vac, Box Lug

    B1H1D15

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 15A, 10 kA, 277 Vac, Box Lug
  • B1H1D16 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 16A, 10 kA, 277 Vac, Box Lug

    B1H1D16

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 16A, 10 kA, 277 Vac, Box Lug
  • B1H1D2 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 2A, 10 kA, 277 Vac, Box Lug

    B1H1D2

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 2A, 10 kA, 277 Vac, Box Lug
  • B1H1D20 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 20A, 10 kA, 277 Vac, Box Lug

    B1H1D20

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 20A, 10 kA, 277 Vac, Box Lug
  • B1H1D25 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 25A, 10 kA, 277 Vac, Box Lug

    B1H1D25

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 25A, 10 kA, 277 Vac, Box Lug
  • B1H1D3 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 3A, 10 kA, 277 Vac, Box Lug

    B1H1D3

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 3A, 10 kA, 277 Vac, Box Lug
  • B1H1D30 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 30A, 10 kA, 277 Vac, Box Lug

    B1H1D30

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 30A, 10 kA, 277 Vac, Box Lug
  • B1H1D32 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 32A, 10 kA, 277 Vac, Box Lug

    B1H1D32

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 32A, 10 kA, 277 Vac, Box Lug
  • B1H1D4 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 4A, 10 kA, 277 Vac, Box Lug

    B1H1D4

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 4A, 10 kA, 277 Vac, Box Lug
  • B1H1D5 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 5A, 10 kA, 277 Vac, Box Lug

    B1H1D5

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 5A, 10 kA, 277 Vac, Box Lug
  • B1H1D6 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 6A, 10 kA, 277 Vac, Box Lug

    B1H1D6

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 6A, 10 kA, 277 Vac, Box Lug