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.

  • B1H1D7 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 7A, 10 kA, 277 Vac, Box Lug

    B1H1D7

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 7A, 10 kA, 277 Vac, Box Lug
  • B1H1D8 Noark Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 8A, 10 kA, 277 Vac, Box Lug

    B1H1D8

    $20.94
    $23.27
    Miniature Circuit Breakers, B1H UL 489, 1P, D Curve, 8A, 10 kA, 277 Vac, Box Lug
  • B1H2B0.5 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 0.5A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B0.5

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 0.5A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B1 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 1A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B1

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 1A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B1.6 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 1.6A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B1.6

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 1.6A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B10 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 10A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B10

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 10A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B13 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 13A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B13

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 13A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B15 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 15A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B15

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 15A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B16 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 16A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B16

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 16A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B2 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 2A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B2

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 2A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B20 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 20A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B20

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 20A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B25 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 25A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B25

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 25A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B3 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 3A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B3

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 3A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B30 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 30A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B30

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 30A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B32 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 32A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B32

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 32A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B4 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 4A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B4

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 4A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B5 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 5A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B5

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 5A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B6 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 6A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B6

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 6A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B7 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 7A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B7

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 7A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2B8 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 8A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B8

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 8A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C0.5 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 0.5A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C0.5

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 0.5A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C1 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 1A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C1

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 1A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C1.6 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 1.6A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C1.6

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 1.6A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C10 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 10A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C10

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 10A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C13 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 13A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C13

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 13A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C15 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 15A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C15

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 15A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C16 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 16A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C16

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 16A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C2 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 2A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C2

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 2A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C20 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 20A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C20

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 20A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C25 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 25A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C25

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 25A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C3 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 3A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C3

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 3A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C30 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 30A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C30

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 30A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C32 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 32A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C32

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 32A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C4 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 4A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C4

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 4A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C5 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 5A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C5

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 5A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C6 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 6A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C6

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 6A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C7 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 7A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C7

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 7A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2C8 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 8A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C8

    $39.93
    $44.37
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 8A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2D0.5 Noark Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 0.5A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2D0.5

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 0.5A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2D1 Noark Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 1A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2D1

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 1A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2D1.6 Noark Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 1.6A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2D1.6

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 1.6A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2D10 Noark Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 10A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2D10

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 10A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2D13 Noark Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 13A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2D13

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 13A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2D15 Noark Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 15A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2D15

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 15A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2D16 Noark Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 16A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2D16

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 16A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2D2 Noark Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 2A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2D2

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 2A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2D20 Noark Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 20A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2D20

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 20A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H2D25 Noark Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 25A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2D25

    $38.93
    $43.26
    Miniature Circuit Breakers, B1H UL 489, 2P, D Curve, 25A, 10 kA, 480Y/277 Vac, Box Lug