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    • 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.

    • MDN640 MDN640
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      MDN640

      Cutler Hammer MDN640 Insulated Case Circuit Breaker. Family Magnum DS; Type MDN; 3 Pole; 3 Phase; 4000 Amp; 65kA@508V AIC; Bolt-On Mounting. Eaton's Magnum DS Low Voltage Power Circuit Breakers offer the highest ANSI interrupting and withstand ratings...

      Amperage: 4000
      Family: Magnum DS
      Trip Functions: LI
      Poles: 3
      Type: MDN
      AIC: 65kA@480V
      Mount Type: Bolt-On
      RFQ
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    • MWI641
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      MWI641

      Cutler Hammer MWI641 Air Breaker Circuit Breaker. Family Magnum Air; Type MWI; 3 Pole; 3 Phase; 4000 Amp; 65kA@690V AIC; Bolt-On Mounting. Eaton's Magnum DS Low Voltage Power Circuit Breakers offer the highest ANSI interrupting and withstand ratings in...

      Amperage: 4000
      Family: Magnum Air
      Trip Functions: LSIG
      Poles: 3
      AIC: 65kA@480V
      Mount Type: Bolt-On
      RFQ
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    • MWI64N
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      MWI64N

      Cutler Hammer MWI64N Air Breaker Circuit Breaker. Family Magnum Air; Type MWI; 3 Pole; 3 Phase; 4000 Amp; 65kA@690V AIC; Bolt-On Mounting. Eaton's Magnum DS Low Voltage Power Circuit Breakers offer the highest ANSI interrupting and withstand ratings in...

      Amperage: 4000
      Family: Magnum Air
      Trip Functions: LSIG
      Poles: 3
      AIC: 65kA@480V
      Mount Type: Bolt-On
      RFQ
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    • MWN64N
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      MWN64N

      Cutler Hammer MWN64N Air Breaker Circuit Breaker. Family Magnum Air; Type MWN; 3 Pole; 3 Phase; 4000 Amp; 65kA@690V AIC; Bolt-On Mounting. Eaton's Magnum DS Low Voltage Power Circuit Breakers offer the highest ANSI interrupting and withstand ratings in...

      Amperage: 4000
      Family: Magnum MWI
      Trip Functions: LSIG
      Poles: 3
      AIC: 65kA@480V
      Mount Type: Bolt-On
      RFQ
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    • NW40BH1 NW40BH1
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      NW40BH1

      Square D NW40BH1 Insulated Case Circuit Breaker. Family Masterpact; Type NW; 3 Pole; 3 Phase; 4000 Amp; 65kA@440V AIC; Draw-Out Mounting.

      Amperage: 4000
      Family: Masterpact
      Trip Functions: LSIG
      Poles: 3
      Type: NW
      AIC: 65kA@480V
      Mount Type: Draw-Out
      RFQ
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    • NW40H1 NW40H1
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      NW40H1

      Square D NW40H1 Insulated Case Circuit Breaker. Family Masterpact; Type NW; 3 Pole; 3 Phase; 4000 Amp; 65kA@440V AIC; Draw-Out Mounting.

      Amperage: 4000
      Family: Masterpact
      Trip Functions: LSIG
      Poles: 3
      Type: NW
      AIC: 65kA@480V
      Mount Type: Draw-Out
      RFQ
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    • SSD40G440H
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      SSD40G440H

      General Electric SSD40G440H Insulated Case Circuit Breaker. Family Power Break II; Type SSD; 3 Pole; 3 Phase; 4000 Amp; 65kA@480V AIC; Draw-Out Mounting. Power Break II Insulated Case Circuit Breakers are highly compact, heavy-duty breakers that combine...

      Amperage: 4000
      Family: Power Break II
      Trip Functions: LSIG
      Poles: 3
      Type: SSD
      AIC: 65kA@480V
      Mount Type: Draw-Out
      RFQ
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    • TPMM9640
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      TPMM9640

      General Electric TPMM9640 Insulated Case Circuit Breaker. Family Power Break I; Type TPMM; 3 Pole; 3 Phase; 4000 Amp; 65kA@480V AIC; Bolt-On Mounting. The GE line of Power Break Insulated case circuit breakers offers the rugged, reliable type of system...

      Amperage: 4000
      Family: Power Break I
      Trip Functions: LSIG
      Poles: 3
      Operator: Manual
      Type: TPMM
      AIC: 65kA@480V
      Mount Type: Bolt-On
      RFQ
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