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.

  • B1E3B25 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 25A, 5 kA, 480 Vac

    B1E3B25

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 25A, 5 kA, 480 Vac
  • B1E3B3 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 3A, 5 kA, 480 Vac

    B1E3B3

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 3A, 5 kA, 480 Vac
  • B1E3B30 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 30A, 5 kA, 480 Vac

    B1E3B30

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 30A, 5 kA, 480 Vac
  • B1E3B32 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 32A, 5 kA, 480 Vac

    B1E3B32

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 32A, 5 kA, 480 Vac
  • B1E3B35 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 35A, 5 kA, 480 Vac

    B1E3B35

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 35A, 5 kA, 480 Vac
  • B1E3B4 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 4A, 5 kA, 480 Vac

    B1E3B4

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 4A, 5 kA, 480 Vac
  • B1E3B40 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 40A, 5 kA, 480 Vac

    B1E3B40

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 40A, 5 kA, 480 Vac
  • B1E3B5 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 5A, 5 kA, 480 Vac

    B1E3B5

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 5A, 5 kA, 480 Vac
  • B1E3B50 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 50A, 5 kA, 480 Vac

    B1E3B50

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 50A, 5 kA, 480 Vac
  • B1E3B6 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 6A, 5 kA, 480 Vac

    B1E3B6

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 6A, 5 kA, 480 Vac
  • B1E3B60 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 60A, 5 kA, 480 Vac

    B1E3B60

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 60A, 5 kA, 480 Vac
  • B1E3B63 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 63A, 5 kA, 480 Vac

    B1E3B63

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 63A, 5 kA, 480 Vac
  • B1E3B8 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 8A, 5 kA, 480 Vac

    B1E3B8

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 8A, 5 kA, 480 Vac
  • B1E3C1 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 1A, 5 kA, 480 Vac

    B1E3C1

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 1A, 5 kA, 480 Vac
  • B1E3C1.6 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 1.6A, 5 kA, 480 Vac

    B1E3C1.6

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 1.6A, 5 kA, 480 Vac
  • B1E3C10 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 10A, 5 kA, 480 Vac

    B1E3C10

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 10A, 5 kA, 480 Vac
  • B1E3C13 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 13A, 5 kA, 480 Vac

    B1E3C13

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 13A, 5 kA, 480 Vac
  • B1E3C15 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 15A, 5 kA, 480 Vac

    B1E3C15

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 15A, 5 kA, 480 Vac
  • B1E3C16 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 16A, 5 kA, 480 Vac

    B1E3C16

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 16A, 5 kA, 480 Vac
  • B1E3C2 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 2A, 5 kA, 480 Vac

    B1E3C2

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 2A, 5 kA, 480 Vac
  • B1E3C20 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 20A, 5 kA, 480 Vac

    B1E3C20

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 20A, 5 kA, 480 Vac
  • B1E3C25 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 25A, 5 kA, 480 Vac

    B1E3C25

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 25A, 5 kA, 480 Vac
  • B1E3C3 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 3A, 5 kA, 480 Vac

    B1E3C3

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 3A, 5 kA, 480 Vac
  • B1E3C30 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 30A, 5 kA, 480 Vac

    B1E3C30

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 30A, 5 kA, 480 Vac
  • B1E3C32 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 32A, 5 kA, 480 Vac

    B1E3C32

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 32A, 5 kA, 480 Vac
  • B1E3C35 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 35A, 5 kA, 480 Vac

    B1E3C35

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 35A, 5 kA, 480 Vac
  • B1E3C4 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 4A, 5 kA, 480 Vac

    B1E3C4

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 4A, 5 kA, 480 Vac
  • B1E3C40 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 40A, 5 kA, 480 Vac

    B1E3C40

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 40A, 5 kA, 480 Vac
  • B1E3C5 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 5A, 5 kA, 480 Vac

    B1E3C5

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 5A, 5 kA, 480 Vac
  • B1E3C50 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 50A, 5 kA, 480 Vac

    B1E3C50

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 50A, 5 kA, 480 Vac
  • B1E3C6 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 6A, 5 kA, 480 Vac

    B1E3C6

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 6A, 5 kA, 480 Vac
  • B1E3C60 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 60A, 5 kA, 480 Vac

    B1E3C60

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 60A, 5 kA, 480 Vac
  • B1E3C63 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 63A, 5 kA, 480 Vac

    B1E3C63

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 63A, 5 kA, 480 Vac
  • B1E3C8 Noark Supplementary Protectors, B1E UL 1077, 3P, C Curve, 8A, 5 kA, 480 Vac

    B1E3C8

    $36.95
    $41.06
    Supplementary Protectors, B1E UL 1077, 3P, C Curve, 8A, 5 kA, 480 Vac
  • B1E3D1 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 1A, 5 kA, 480 Vac

    B1E3D1

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 1A, 5 kA, 480 Vac
  • B1E3D1.6 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 1.6A, 5 kA, 480 Vac

    B1E3D1.6

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 1.6A, 5 kA, 480 Vac
  • B1E3D10 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 10A, 5 kA, 480 Vac

    B1E3D10

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 10A, 5 kA, 480 Vac
  • B1E3D13 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 13A, 5 kA, 480 Vac

    B1E3D13

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 13A, 5 kA, 480 Vac
  • B1E3D15 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 15A, 5 kA, 480 Vac

    B1E3D15

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 15A, 5 kA, 480 Vac
  • B1E3D16 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 16A, 5 kA, 480 Vac

    B1E3D16

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 16A, 5 kA, 480 Vac
  • B1E3D2 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 2A, 5 kA, 480 Vac

    B1E3D2

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 2A, 5 kA, 480 Vac
  • B1E3D20 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 20A, 5 kA, 480 Vac

    B1E3D20

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 20A, 5 kA, 480 Vac
  • B1E3D25 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 25A, 5 kA, 480 Vac

    B1E3D25

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 25A, 5 kA, 480 Vac
  • B1E3D3 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 3A, 5 kA, 480 Vac

    B1E3D3

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 3A, 5 kA, 480 Vac
  • B1E3D30 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 30A, 5 kA, 480 Vac

    B1E3D30

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 30A, 5 kA, 480 Vac
  • B1E3D32 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 32A, 5 kA, 480 Vac

    B1E3D32

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 32A, 5 kA, 480 Vac
  • B1E3D35 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 35A, 5 kA, 480 Vac

    B1E3D35

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 35A, 5 kA, 480 Vac
  • B1E3D4 Noark Supplementary Protectors, B1E UL 1077, 3P, D Curve, 4A, 5 kA, 480 Vac

    B1E3D4

    $38.04
    $42.27
    Supplementary Protectors, B1E UL 1077, 3P, D Curve, 4A, 5 kA, 480 Vac