Circuit Breakers

Electrical Breaker Panel & Circuit Breaker Panels

Quality Switchgear sells and repairs electrical breaker panels of many types. If you need your circuit breaker components new, rebuilt, or refurbished, we can sell you the parts you need, when you need them. We understand how crucial circuit breaker panels can be and how time sensitive these parts are.

When a machine in a plant breaks down, you need reliable components that ship quickly. We are available for service 24 hours a day, seven days a week. Let us know how we can help and how fast you need your electrical breaker panel order, and we will make it happen.

  • MJA36450

    MJA36450

    Square D MJA36450 Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 3 Pole; 3 Phase; 450 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 450
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In
  • MJA36500

    MJA36500

    Square D MJA36500 Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 3 Pole; 3 Phase; 500 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 500
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In
  • MJA36600

    MJA36600

    Square D MJA36600 Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 3 Pole; 3 Phase; 600 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 600
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In
  • MJA36600LV

    MJA36600LV

    Square D MJA36600LV Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 3 Pole; 3 Phase; 600 Amp; 65kA@480V AIC; Plug-In Mounting.

    Amperage: 600
    Family: Powerpact
    Trip Functions: LI
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: Plug-In
  • MJA36700

    MJA36700

    Square D MJA36700 Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 3 Pole; 3 Phase; 700 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 700
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In
  • MJA367006

    MJA367006

    Square D MJA367006 Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 3 Pole; 3 Phase; 700 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 700
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In
  • MJA36800

    MJA36800

    Square D MJA36800 Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 3 Pole; 3 Phase; 800 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 800
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In
  • MJF36400

    MJF36400

    Square D MJF36400 Molded Case Circuit Breaker. Family Powerpact; Type MJF; 600 Voltage; 3 Pole; 3 Phase; 400 Amp; 65kA@480V AIC; Bolt-On Mounting.

    Amperage: 400
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: Bolt-On
  • MJF36600

    MJF36600

    Square D MJF36600 Molded Case Circuit Breaker. Family Powerpact; Type MJF; 600 Voltage; 3 Pole; 3 Phase; 600 Amp; 65kA@480V AIC; Bolt-On Mounting.

    Amperage: 600
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: Bolt-On
  • MJF36800

    MJF36800

    Square D MJF36800 Molded Case Circuit Breaker. Family Powerpact; Type MJF; 600 Voltage; 3 Pole; 3 Phase; 800 Amp; 65kA@480V AIC; Bolt-On Mounting.

    Amperage: 800
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: Bolt-On
  • MJL26300

    MJL26300

    Square D MJL26300 Molded Case Circuit Breaker. Family Powerpact; Type MJL; 600 Voltage; 2 Pole; 1 Phase; 300 Amp; 65kA@480V AIC; Feed-Through Mounting.

    Amperage: 300
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 2
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: Feed-Through
  • MJL26350

    MJL26350

    Square D MJL26350 Molded Case Circuit Breaker. Family Powerpact; Type MJL; 600 Voltage; 2 Pole; 1 Phase; 350 Amp; 65kA@480V AIC; Feed-Through Mounting.

    Amperage: 350
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 2
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: Feed-Through