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.

  • E12-XNM1H150T3L Noark Enclosed Breaker, Type 12, 3P-3W, M1, 150A, 100kA@480V

    E12-XNM1H150T3L

    $1,142.52
    $1,269.47
    Enclosed Breaker, Type 12, 3P-3W, M1, 150A, 100kA@480V
  • E12-XNM1H30T3L Noark Enclosed Breaker, Type 12, 3P-3W, M1, 30A, 100kA@480V

    E12-XNM1H30T3L

    $966.29
    $1,073.65
    Enclosed Breaker, Type 12, 3P-3W, M1, 30A, 100kA@480V
  • E12-XNM1H60T3L Noark Enclosed Breaker, Type 12, 3P-3W, M1, 60A, 100kA@480V

    E12-XNM1H60T3L

    $966.29
    $1,073.65
    Enclosed Breaker, Type 12, 3P-3W, M1, 60A, 100kA@480V
  • E12-XNM1N150T3L Noark Enclosed Breaker, Type 12, 3P-3W, M1, 150A, 65kA@480V

    E12-XNM1N150T3L

    $1,030.31
    $1,144.79
    Enclosed Breaker, Type 12, 3P-3W, M1, 150A, 65kA@480V
  • E12-XNM1N30T3L Noark Enclosed Breaker, Type 12, 3P-3W, M1, 30A, 65kA@480V

    E12-XNM1N30T3L

    $879.32
    $977.02
    Enclosed Breaker, Type 12, 3P-3W, M1, 30A, 65kA@480V
  • E12-XNM1N60T3L Noark Enclosed Breaker, Type 12, 3P-3W, M1, 60A, 65kA@480V

    E12-XNM1N60T3L

    $879.32
    $977.02
    Enclosed Breaker, Type 12, 3P-3W, M1, 60A, 65kA@480V
  • E12-XNM1S30T3L Noark Enclosed Breaker, Type 12, 3P-3W, M1, 30A, 35kA@480V

    E12-XNM1S30T3L

    $850.00
    $944.44
    Enclosed Breaker, Type 12, 3P-3W, M1, 30A, 35kA@480V
  • E12-XNM1S60T3L Noark Enclosed Breaker, Type 12, 3P-3W, M1, 60A, 35kA@480V

    E12-XNM1S60T3L

    $850.00
    $944.44
    Enclosed Breaker, Type 12, 3P-3W, M1, 60A, 35kA@480V
  • E12-XNM2H175T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 175A, 100kA@480V

    E12-XNM2H175T3L

    $1,481.35
    $1,645.94
    Enclosed Breaker, Type 12, 3P-3W, M2, 175A, 100kA@480V
  • E12-XNM2H200T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 200A, 100kA@480V

    E12-XNM2H200T3L

    $1,481.35
    $1,645.94
    Enclosed Breaker, Type 12, 3P-3W, M2, 200A, 100kA@480V
  • E12-XNM2H225T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 225A, 100kA@480V

    E12-XNM2H225T3L

    $1,481.35
    $1,645.94
    Enclosed Breaker, Type 12, 3P-3W, M2, 225A, 100kA@480V
  • E12-XNM2H250T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 250A, 100kA@480V

    E12-XNM2H250T3L

    $1,653.01
    $1,836.68
    Enclosed Breaker, Type 12, 3P-3W, M2, 250A, 100kA@480V
  • E12-XNM2N175T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 175A, 65kA@480V

    E12-XNM2N175T3L

    $1,284.37
    $1,427.08
    Enclosed Breaker, Type 12, 3P-3W, M2, 175A, 65kA@480V
  • E12-XNM2N200T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 200A, 65kA@480V

    E12-XNM2N200T3L

    $1,284.37
    $1,427.08
    Enclosed Breaker, Type 12, 3P-3W, M2, 200A, 65kA@480V
  • E12-XNM2N225T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 225A, 65kA@480V

    E12-XNM2N225T3L

    $1,284.37
    $1,427.08
    Enclosed Breaker, Type 12, 3P-3W, M2, 225A, 65kA@480V
  • E12-XNM2N250T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 250A, 65kA@480V

    E12-XNM2N250T3L

    $1,448.44
    $1,609.38
    Enclosed Breaker, Type 12, 3P-3W, M2, 250A, 65kA@480V
  • E12-XNM2S175T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 175A, 35kA@480V

    E12-XNM2S175T3L

    $1,233.91
    $1,371.01
    Enclosed Breaker, Type 12, 3P-3W, M2, 175A, 35kA@480V
  • E12-XNM2S200T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 200A, 35kA@480V

    E12-XNM2S200T3L

    $1,233.91
    $1,371.01
    Enclosed Breaker, Type 12, 3P-3W, M2, 200A, 35kA@480V
  • E12-XNM2S225T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 225A, 35kA@480V

    E12-XNM2S225T3L

    $1,233.91
    $1,371.01
    Enclosed Breaker, Type 12, 3P-3W, M2, 225A, 35kA@480V
  • E12-XNM2S250T3L Noark Enclosed Breaker, Type 12, 3P-3W, M2, 250A, 35kA@480V

    E12-XNM2S250T3L

    $1,326.76
    $1,474.18
    Enclosed Breaker, Type 12, 3P-3W, M2, 250A, 35kA@480V
  • E12-XNM3H300T3L Noark Enclosed Breaker, Type 12, 3P-3W, M3, 300A, 100kA@480V

    E12-XNM3H300T3L

    $2,205.08
    $2,450.09
    Enclosed Breaker, Type 12, 3P-3W, M3, 300A, 100kA@480V
  • E12-XNM3H350T3L Noark Enclosed Breaker, Type 12, 3P-3W, M3, 350A, 100kA@480V

    E12-XNM3H350T3L

    $2,205.08
    $2,450.09
    Enclosed Breaker, Type 12, 3P-3W, M3, 350A, 100kA@480V
  • E12-XNM3H400T3L Noark Enclosed Breaker, Type 12, 3P-3W, M3, 400A, 100kA@480V

    E12-XNM3H400T3L

    $2,205.08
    $2,450.09
    Enclosed Breaker, Type 12, 3P-3W, M3, 400A, 100kA@480V
  • E12-XNM3N300T3L Noark Enclosed Breaker, Type 12, 3P-3W, M3, 300A, 65kA@480V

    E12-XNM3N300T3L

    $1,914.70
    $2,127.44
    Enclosed Breaker, Type 12, 3P-3W, M3, 300A, 65kA@480V
  • E12-XNM3N350T3L Noark Enclosed Breaker, Type 12, 3P-3W, M3, 350A, 65kA@480V

    E12-XNM3N350T3L

    $1,914.70
    $2,127.44
    Enclosed Breaker, Type 12, 3P-3W, M3, 350A, 65kA@480V
  • E12-XNM3N400T3L Noark Enclosed Breaker, Type 12, 3P-3W, M3, 400A, 65kA@480V

    E12-XNM3N400T3L

    $1,915.34
    $2,128.15
    Enclosed Breaker, Type 12, 3P-3W, M3, 400A, 65kA@480V
  • E12-XNM3S300T3L Noark Enclosed Breaker, Type 12, 3P-3W, M3, 300A, 42kA@480V

    E12-XNM3S300T3L

    $1,827.42
    $2,030.47
    Enclosed Breaker, Type 12, 3P-3W, M3, 300A, 42kA@480V
  • E12-XNM3S350T3L Noark Enclosed Breaker, Type 12, 3P-3W, M3, 350A, 42kA@480V

    E12-XNM3S350T3L

    $1,827.42
    $2,030.47
    Enclosed Breaker, Type 12, 3P-3W, M3, 350A, 42kA@480V
  • E12-XNM3S400T3L Noark Enclosed Breaker, Type 12, 3P-3W, M3, 400A, 42kA@480V

    E12-XNM3S400T3L

    $1,827.42
    $2,030.47
    Enclosed Breaker, Type 12, 3P-3W, M3, 400A, 42kA@480V
  • E12-XNM4H400T3L Noark Enclosed Breaker, Type 12, 3P-3W, M4, 400A, 100kA@480V

    E12-XNM4H400T3L

    $4,061.27
    $4,512.52
    Enclosed Breaker, Type 12, 3P-3W, M4, 400A, 100kA@480V
  • E12-XNM4H500T3L Noark Enclosed Breaker, Type 12, 3P-3W, M4, 500A, 100kA@480V

    E12-XNM4H500T3L

    $4,061.27
    $4,512.52
    Enclosed Breaker, Type 12, 3P-3W, M4, 500A, 100kA@480V
  • E12-XNM4H600T3L Noark Enclosed Breaker, Type 12, 3P-3W, M4, 600A, 100kA@480V

    E12-XNM4H600T3L

    $4,061.53
    $4,512.81
    Enclosed Breaker, Type 12, 3P-3W, M4, 600A, 100kA@480V
  • E12-XNM4N400T3L Noark Enclosed Breaker, Type 12, 3P-3W, M4, 400A, 65kA@480V

    E12-XNM4N400T3L

    $3,388.70
    $3,765.22
    Enclosed Breaker, Type 12, 3P-3W, M4, 400A, 65kA@480V
  • E12-XNM4N500T3L Noark Enclosed Breaker, Type 12, 3P-3W, M4, 500A, 65kA@480V

    E12-XNM4N500T3L

    $3,388.70
    $3,765.22
    Enclosed Breaker, Type 12, 3P-3W, M4, 500A, 65kA@480V
  • E12-XNM4N600T3L Noark Enclosed Breaker, Type 12, 3P-3W, M4, 600A, 65kA@480V

    E12-XNM4N600T3L

    $3,388.70
    $3,765.22
    Enclosed Breaker, Type 12, 3P-3W, M4, 600A, 65kA@480V
  • E12-XNM4S400T3L Noark Enclosed Breaker, Type 12, 3P-3W, M4, 400A, 42kA@480V

    E12-XNM4S400T3L

    $3,208.46
    $3,564.96
    Enclosed Breaker, Type 12, 3P-3W, M4, 400A, 42kA@480V
  • E12-XNM4S500T3L Noark Enclosed Breaker, Type 12, 3P-3W, M4, 500A, 42kA@480V

    E12-XNM4S500T3L

    $3,208.46
    $3,564.96
    Enclosed Breaker, Type 12, 3P-3W, M4, 500A, 42kA@480V
  • E12-XNM4S600T3L Noark Enclosed Breaker, Type 12, 3P-3W, M4, 600A, 42kA@480V

    E12-XNM4S600T3L

    $3,208.46
    $3,564.96
    Enclosed Breaker, Type 12, 3P-3W, M4, 600A, 42kA@480V
  • E3R-1AM1H100T3L Noark Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 100A, 100kA@480V

    E3R-1AM1H100T3L

    $1,101.29
    $1,223.65
    Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 100A, 100kA@480V
  • E3R-1AM1H150T3L Noark Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 150A, 100kA@480V

    E3R-1AM1H150T3L

    $1,277.52
    $1,419.47
    Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 150A, 100kA@480V
  • E3R-1AM1H30T3L Noark Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 30A, 100kA@480V

    E3R-1AM1H30T3L

    $1,101.29
    $1,223.65
    Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 30A, 100kA@480V
  • E3R-1AM1H60T3L Noark Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 60A, 100kA@480V

    E3R-1AM1H60T3L

    $1,101.29
    $1,223.65
    Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 60A, 100kA@480V
  • E3R-1AM1N100T3L Noark Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 100A, 65kA@480V

    E3R-1AM1N100T3L

    $1,014.32
    $1,127.02
    Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 100A, 65kA@480V
  • E3R-1AM1N150T3L Noark Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 150A, 65kA@480V

    E3R-1AM1N150T3L

    $1,165.31
    $1,294.79
    Enclosed Breaker, Type 3R, 3P-4W, 100% Neutral, M1, 150A, 65kA@480V