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.

  • MGL36400

    MGL36400

    Square D MGL36400 Molded Case Circuit Breaker. Family Powerpact; Type MGL; 600 Voltage; 3 Pole; 3 Phase; 400 Amp; 35kA@480V AIC; Feed-Through Mounting.

    Amperage: 400
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 35kA@480V
    Mount Type: Feed-Through
  • MGP36400

    MGP36400

    Square D MGP36400 Molded Case Circuit Breaker. Family Powerpact; Type MGP; 600 Voltage; 3 Pole; 3 Phase; 400 Amp; 35kA@480V AIC; Bolt-On Mounting.

    Amperage: 400
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 35kA@480V
    Mount Type: Bolt-On
  • MJA264002

    MJA264002

    Square D MJA264002 Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 2 Pole; 1 Phase; 400 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 400
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 2
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In
  • MJA264005

    MJA264005

    Square D MJA264005 Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 2 Pole; 1 Phase; 400 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 400
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 2
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In
  • MJA36400

    MJA36400

    Square D MJA36400 Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 3 Pole; 3 Phase; 400 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 400
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In
    MSRP: $9,456.00
    $7,589.00
  • MJA36400YP

    MJA36400YP

    Square D MJA36400YP Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 3 Pole; 3 Phase; 400 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 400
    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
  • MJL26400

    MJL26400

    Square D MJL26400 Molded Case Circuit Breaker. Family Powerpact; Type MJL; 600 Voltage; 2 Pole; 1 Phase; 400 Amp; 65kA@480V AIC; Feed-Through Mounting.

    Amperage: 400
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 2
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: Feed-Through
  • MJL36400

    MJL36400

    Square D MJL36400 Molded Case Circuit Breaker. Family Powerpact; Type MJL; 600 Voltage; 3 Pole; 3 Phase; 400 Amp; 65kA@480V AIC; Feed-Through Mounting.

    Amperage: 400
    Family: Powerpact
    Trip Functions: LI
    Frame: M Frame
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: Feed-Through
  • MJP36400

    MJP36400

    Square D MJP36400 Molded Case Circuit Breaker. Family Powerpact; Type MJP; 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
  • MX36400

    MX36400

    Square D MX36400 Molded Case Circuit Breaker. Family I-Line; Type MX; 600 Voltage; 3 Pole; 3 Phase; 400 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 400
    Family: I-Line
    Trip Functions: LSI
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In
  • MX36400G

    MX36400G

    Square D MX36400G Molded Case Circuit Breaker. Family I-Line; Type MX; 600 Voltage; 3 Pole; 3 Phase; 400 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

    Amperage: 400
    Family: I-Line
    Trip Functions: LSIG
    Poles: 3
    Voltage: 600
    AIC: 65kA@480V
    Mount Type: I-Line Style Plug-In