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.

  • E01-3BM3N350T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M3, 350A, 65kA@480V

    E01-3BM3N350T3L

    $1,955.20
    $2,172.44
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M3, 350A, 65kA@480V
  • E01-3BM3N400T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M3, 400A, 65kA@480V

    E01-3BM3N400T3L

    $1,955.84
    $2,173.15
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M3, 400A, 65kA@480V
  • E01-3BM3S300T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M3, 300A, 42kA@480V

    E01-3BM3S300T3L

    $1,867.92
    $2,075.47
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M3, 300A, 42kA@480V
  • E01-3BM3S350T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M3, 350A, 42kA@480V

    E01-3BM3S350T3L

    $1,867.92
    $2,075.47
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M3, 350A, 42kA@480V
  • E01-3BM3S400T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M3, 400A, 42kA@480V

    E01-3BM3S400T3L

    $1,867.92
    $2,075.47
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M3, 400A, 42kA@480V
  • E01-4BM4H400T3L Noark Enclosed Breaker, Type 01, 3P-4W, 2 Hole NT, M4, 400A, 100kA@480V

    E01-4BM4H400T3L

    $4,187.27
    $4,652.52
    Enclosed Breaker, Type 01, 3P-4W, 2 Hole NT, M4, 400A, 100kA@480V
  • E01-4BM4H500T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 500A, 100kA@480V

    E01-4BM4H500T3L

    $4,187.27
    $4,652.52
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 500A, 100kA@480V
  • E01-4BM4H600T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 600A, 100kA@480V

    E01-4BM4H600T3L

    $4,187.53
    $4,652.81
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 600A, 100kA@480V
  • E01-4BM4N400T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 400A, 65kA@480V

    E01-4BM4N400T3L

    $3,514.70
    $3,905.22
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 400A, 65kA@480V
  • E01-4BM4N500T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 500A, 65kA@480V

    E01-4BM4N500T3L

    $3,514.70
    $3,905.22
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 500A, 65kA@480V
  • E01-4BM4N600T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 600A, 65kA@480V

    E01-4BM4N600T3L

    $3,514.70
    $3,905.22
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 600A, 65kA@480V
  • E01-4BM4S400T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 400A, 42kA@480V

    E01-4BM4S400T3L

    $3,334.46
    $3,704.96
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 400A, 42kA@480V
  • E01-4BM4S500T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 500A, 42kA@480V

    E01-4BM4S500T3L

    $3,334.46
    $3,704.96
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 500A, 42kA@480V
  • E01-4BM4S600T3L Noark Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 600A, 42kA@480V

    E01-4BM4S600T3L

    $3,334.46
    $3,704.96
    Enclosed Breaker, Type 1, 3P-4W, 100% Neutral, M4, 600A, 42kA@480V
  • E01-XNM1H30T3L Noark Enclosed Breaker, Type 1, 3P-3W, M1, 30A, 100kA@480V

    E01-XNM1H30T3L

    $808.79
    $898.65
    Enclosed Breaker, Type 1, 3P-3W, M1, 30A, 100kA@480V
  • E01-XNM1H60T3L Noark Enclosed Breaker, Type 1, 3P-3W, M1, 60A, 100kA@480V

    E01-XNM1H60T3L

    $808.79
    $898.65
    Enclosed Breaker, Type 1, 3P-3W, M1, 60A, 100kA@480V
  • E01-XNM2H175T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 175A, 100kA@480V

    E01-XNM2H175T3L

    $1,341.85
    $1,490.94
    Enclosed Breaker, Type 1, 3P-3W, M2, 175A, 100kA@480V
  • E01-XNM2H200T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 200A, 100kA@480V

    E01-XNM2H200T3L

    $1,341.85
    $1,490.94
    Enclosed Breaker, Type 1, 3P-3W, M2, 200A, 100kA@480V
  • E01-XNM2H225T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 225A, 100kA@480V

    E01-XNM2H225T3L

    $1,341.85
    $1,490.94
    Enclosed Breaker, Type 1, 3P-3W, M2, 225A, 100kA@480V
  • E01-XNM2H250T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 250A, 100kA@480V

    E01-XNM2H250T3L

    $1,513.51
    $1,681.68
    Enclosed Breaker, Type 1, 3P-3W, M2, 250A, 100kA@480V
  • E01-XNM2N175T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 175A, 65kA@480V

    E01-XNM2N175T3L

    $1,144.87
    $1,272.08
    Enclosed Breaker, Type 1, 3P-3W, M2, 175A, 65kA@480V
  • E01-XNM2N200T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 200A, 65kA@480V

    E01-XNM2N200T3L

    $1,144.87
    $1,272.08
    Enclosed Breaker, Type 1, 3P-3W, M2, 200A, 65kA@480V
  • E01-XNM2N225T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 225A, 65kA@480V

    E01-XNM2N225T3L

    $1,144.87
    $1,272.08
    Enclosed Breaker, Type 1, 3P-3W, M2, 225A, 65kA@480V
  • E01-XNM2N250T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 250A, 65kA@480V

    E01-XNM2N250T3L

    $1,308.94
    $1,454.38
    Enclosed Breaker, Type 1, 3P-3W, M2, 250A, 65kA@480V
  • E01-XNM2S175T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 175A, 35kA@480V

    E01-XNM2S175T3L

    $1,094.41
    $1,216.01
    Enclosed Breaker, Type 1, 3P-3W, M2, 175A, 35kA@480V
  • E01-XNM2S200T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 200A, 35kA@480V

    E01-XNM2S200T3L

    $1,094.41
    $1,216.01
    Enclosed Breaker, Type 1, 3P-3W, M2, 200A, 35kA@480V
  • E01-XNM2S225T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 225A, 35kA@480V

    E01-XNM2S225T3L

    $1,094.41
    $1,216.01
    Enclosed Breaker, Type 1, 3P-3W, M2, 225A, 35kA@480V
  • E01-XNM2S250T3L Noark Enclosed Breaker, Type 1, 3P-3W, M2, 250A, 35kA@480V

    E01-XNM2S250T3L

    $1,187.26
    $1,319.18
    Enclosed Breaker, Type 1, 3P-3W, M2, 250A, 35kA@480V
  • E01-XNM3H300T3L Noark Enclosed Breaker, Type 1, 3P-3W, M3, 300A, 100kA@480V

    E01-XNM3H300T3L

    $1,998.08
    $2,220.09
    Enclosed Breaker, Type 1, 3P-3W, M3, 300A, 100kA@480V
  • E01-XNM3H350T3L Noark Enclosed Breaker, Type 1, 3P-3W, M3, 350A, 100kA@480V

    E01-XNM3H350T3L

    $1,998.08
    $2,220.09
    Enclosed Breaker, Type 1, 3P-3W, M3, 350A, 100kA@480V
  • E01-XNM3H400T3L Noark Enclosed Breaker, Type 1, 3P-3W, M3, 400A, 100kA@480V

    E01-XNM3H400T3L

    $1,998.08
    $2,220.09
    Enclosed Breaker, Type 1, 3P-3W, M3, 400A, 100kA@480V
  • E01-XNM3N300T3L Noark Enclosed Breaker, Type 1, 3P-3W, M3, 300A, 65kA@480V

    E01-XNM3N300T3L

    $1,707.70
    $1,897.44
    Enclosed Breaker, Type 1, 3P-3W, M3, 300A, 65kA@480V
  • E01-XNM3N350T3L Noark Enclosed Breaker, Type 1, 3P-3W, M3, 350A, 65kA@480V

    E01-XNM3N350T3L

    $1,707.70
    $1,897.44
    Enclosed Breaker, Type 1, 3P-3W, M3, 350A, 65kA@480V
  • E01-XNM3N400T3L Noark Enclosed Breaker, Type 1, 3P-3W, M3, 400A, 65kA@480V

    E01-XNM3N400T3L

    $1,708.34
    $1,898.15
    Enclosed Breaker, Type 1, 3P-3W, M3, 400A, 65kA@480V
  • E01-XNM3S300T3L Noark Enclosed Breaker, Type 1, 3P-3W, M3, 300A, 42kA@480V

    E01-XNM3S300T3L

    $1,620.42
    $1,800.47
    Enclosed Breaker, Type 1, 3P-3W, M3, 300A, 42kA@480V
  • E01-XNM3S350T3L Noark Enclosed Breaker, Type 1, 3P-3W, M3, 350A, 42kA@480V

    E01-XNM3S350T3L

    $1,620.42
    $1,800.47
    Enclosed Breaker, Type 1, 3P-3W, M3, 350A, 42kA@480V
  • E01-XNM3S400T3L Noark Enclosed Breaker, Type 1, 3P-3W, M3, 400A, 42kA@480V

    E01-XNM3S400T3L

    $1,620.42
    $1,800.47
    Enclosed Breaker, Type 1, 3P-3W, M3, 400A, 42kA@480V
  • E01-XNM4H400T3L Noark Enclosed Breaker, Type 01, 3P-3W, M4, 400A, 100kA@480V

    E01-XNM4H400T3L

    $3,899.27
    $4,332.52
    Enclosed Breaker, Type 01, 3P-3W, M4, 400A, 100kA@480V