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.

  • 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
  • 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