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.

  • Q4L3400

    Q4L3400

    Square D Q4L3400 Molded Case Circuit Breaker. Family Q4L Series; Type Q4L; 240 Voltage; 3 Pole; 3 Phase; 400 Amp; 25kA@240V AIC; Feed-Through Mounting.

    Amperage: 400
    Family: Q4L Series
    Trip Functions: LI
    Poles: 3
    Voltage: 240
    AIC: 25kA@240V
    Mount Type: Feed-Through
    MSRP: $3,831.00
    $1,835.44
  • QB243015

    QB243015

    Zinsco QB243015 Molded Case Circuit Breaker. Family QB; Type QB; 240 Voltage; 3 Pole; 3 Phase; 15 Amp; 10kA@240V AIC; Bolt-On Mounting.

    Amperage: 15
    Family: QB
    Trip Functions: LI
    Poles: 3
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: Bolt-On
    $288.25
  • QB243020

    QB243020

    Zinsco QB243020 Molded Case Circuit Breaker. Family QB; Type QB; 240 Voltage; 3 Pole; 3 Phase; 20 Amp; 10kA@240V AIC; Bolt-On Mounting.

    Amperage: 20
    Family: QB
    Trip Functions: LI
    Poles: 3
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: Bolt-On
    $645.94
  • QB243030

    QB243030

    Zinsco QB243030 Molded Case Circuit Breaker. Family QB; Type QB; 240 Voltage; 3 Pole; 3 Phase; 30 Amp; 10kA@240V AIC; Bolt-On Mounting.

    Amperage: 30
    Family: QB
    Trip Functions: LI
    Poles: 3
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: Bolt-On
  • QB243040

    QB243040

    Zinsco QB243040 Molded Case Circuit Breaker. Family QB; Type QB; 240 Voltage; 3 Pole; 3 Phase; 40 Amp; 10kA@240V AIC; Bolt-On Mounting.

    Amperage: 40
    Family: QB
    Trip Functions: LI
    Poles: 3
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: Bolt-On
  • QB243050

    Zinsco QB243050 Molded Case Circuit Breaker. Family QB; Type QB; 240 Voltage; 3 Pole; 3 Phase; 50 Amp; 10kA@240V AIC; Bolt-On Mounting.

    Amperage: 50
    Family: QB
    Trip Functions: LI
    Poles: 3
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: Bolt-On
  • QB243060

    QB243060

    Zinsco QB243060 Molded Case Circuit Breaker. Family QB; Type QB; 240 Voltage; 3 Pole; 3 Phase; 60 Amp; 10kA@240V AIC; Bolt-On Mounting.

    Amperage: 60
    Family: QB
    Trip Functions: LI
    Poles: 3
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: Bolt-On
    $326.50
  • QB243070

    QB243070

    Zinsco QB243070 Molded Case Circuit Breaker. Family QB; Type QB; 240 Voltage; 3 Pole; 3 Phase; 70 Amp; 10kA@240V AIC; Bolt-On Mounting.

    Amperage: 70
    Family: QB
    Trip Functions: LI
    Poles: 3
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: Bolt-On
  • QB243100

    QB243100

    Zinsco QB243100 Molded Case Circuit Breaker. Family QB; Type QB; 240 Voltage; 3 Pole; 3 Phase; 100 Amp; 10kA@240V AIC; Bolt-On Mounting.

    Amperage: 100
    Family: QB
    Trip Functions: LI
    Poles: 3
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: Bolt-On
  • QBA221001

    QBA221001

    Square D QBA221001 Molded Case Circuit Breaker. Family I-Line; Type QBA; 240 Voltage; 2 Pole; 1 Phase; 100 Amp; 10kA@240V AIC; I-Line Style Plug-In Mounting.

    Amperage: 100
    Family: I-Line
    Trip Functions: LI
    Frame: Q Frame
    Poles: 2
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: I-Line Style Plug-In
    $497.50
  • QBA221002

    QBA221002

    Square D QBA221002 Molded Case Circuit Breaker. Family I-Line; Type QBA; 240 Voltage; 2 Pole; 1 Phase; 100 Amp; 10kA@240V AIC; I-Line Style Plug-In Mounting.

    Amperage: 100
    Family: I-Line
    Trip Functions: LI
    Frame: Q Frame
    Poles: 2
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: I-Line Style Plug-In
    $497.50
  • QBA221101

    QBA221101

    Square D QBA221101 Molded Case Circuit Breaker. Family I-Line; Type QBA; 240 Voltage; 2 Pole; 1 Phase; 110 Amp; 10kA@240V AIC; I-Line Style Plug-In Mounting.

    Amperage: 110
    Family: I-Line
    Trip Functions: LI
    Frame: Q Frame
    Poles: 2
    Voltage: 240
    AIC: 10kA@240V
    Mount Type: I-Line Style Plug-In