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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.

    • NW40H2 NW40H2
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      NW40H2

      Square D NW40H2 Insulated Case Circuit Breaker. Family Masterpact; Type NW; 3 Pole; 3 Phase; 4000 Amp; 100kA@440V AIC; Draw-Out Mounting.

      Amperage: 4000
      Family: Masterpact
      Trip Functions: LSIG
      Poles: 3
      Type: NW
      AIC: 100kA@480V
      Mount Type: Draw-Out
      RFQ
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    • NW40H3 NW40H3
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      NW40H3

      Square D NW40H3 Insulated Case Circuit Breaker. Family Masterpact; Type NW; 3 Pole; 3 Phase; 4000 Amp; 150kA@440V AIC; Draw-Out Mounting.

      Amperage: 4000
      Family: Masterpact
      Trip Functions: LSIG
      Poles: 3
      Type: NW
      AIC: 150kA@480V
      Mount Type: Draw-Out
      RFQ
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    • RL-4000
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      RL-4000

      Siemens RL-4000 Air Circuit Breaker. Family RL; Type RL; 3 Pole; 3 Phase; 4000 Amp; 85kA@635V AIC; Draw-Out Mounting.

      Amperage: 4000
      Family: RL
      Trip Functions: LSIG
      Poles: 3
      AIC: 85kA@480V
      Mount Type: Draw-Out
      RFQ
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    • RLF-4000
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      RLF-4000

      Siemens RLF-4000 Air Circuit Breaker. Family RL; Type RLF; 3 Pole; 3 Phase; 4000 Amp; 200kA@600V AIC; Draw-Out Mounting.

      Amperage: 4000
      Family: RL
      Trip Functions: LSIG
      Poles: 3
      AIC: 200kA@480V
      Mount Type: Draw-Out
      RFQ
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    • SBNC4N SBNC4N, front
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      SBNC4N

      Eaton Cutler-Hammer, SBNC4N Insulated Case Circuit Breaker. Family Magnum SB; Type SBNC Narrow frame; 3 Pole; 3 Phase; 4000 Amp; 100kA@480V AIC; Bolt-On Mounting, Phasing AABBCC, Multiple trip unit models available including LSIG functions and Arc Flash...

      Amperage: 4000
      Family: Magnum SB
      Trip Functions: LSIG
      Poles: 3
      Type: SBNC
      AIC: 100kA@480V
      Mount Type: Bolt-On
      RFQ
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    • SBNC4N3EA40CMNMNN4ENNNBX SBNC4N3EA40CMNMNN4ENNNBX, front
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      SBNC4N3EA40CMNMNN4ENNNBX

      Eaton Cutler-Hammer, SBNC4N Insulated Case Circuit Breaker. Family Magnum SB; Type SBNC Narrow frame; 3 Pole; 3 Phase; 4000 Amp; 100kA@480V AIC; Bolt-On Mounting, Phasing AABBCC, 520MC 5ARMLSIG Trip Unit with Arc Reduction Management System

      Amperage: 4000
      Family: Magnum SB
      Trip Functions: LSIG
      Poles: 3
      Type: SBNC
      AIC: 100kA@480V
      Mount Type: Bolt-On
      RFQ
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    • SBS4040
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      SBS4040

      Siemens SBS4040 Insulated Case Circuit Breaker. Family SB; Type SBS; 3 Pole; 3 Phase; 4000 Amp; 100kA@480V AIC; Bolt-On Mounting.

      Amperage: 4000
      Family: SB
      Trip Functions: LSIG
      Poles: 3
      Type: SBS
      AIC: 100kA@480V
      Mount Type: Bolt-On
      RFQ
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    • SBS4040DV
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      SBS4040DV

      Siemens SBS4040DV Insulated Case Circuit Breaker. Family SB; Type SBS; 3 Pole; 3 Phase; 4000 Amp; 100kA@480V AIC; Draw-Out Mounting.

      Amperage: 4000
      Family: SB
      Trip Functions: LSIG
      Poles: 3
      Type: SBS
      AIC: 100kA@480V
      Mount Type: Draw-Out
      RFQ
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    • SBS4040F
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      SBS4040F

      Siemens SBS4040F Insulated Case Circuit Breaker. Family SB; Type SBS; 3 Pole; 3 Phase; 4000 Amp; 100kA@480V AIC; Bolt-On Mounting.

      Amperage: 4000
      Family: SB
      Trip Functions: LSIG
      Poles: 3
      Type: SBS
      AIC: 100kA@480V
      Mount Type: Bolt-On
      RFQ
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    • SBS840
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      SBS840

      Cutler Hammer SBS840 Insulated Case Circuit Breaker. Family Magnum SB; Type SBS; 3 Pole; 3 Phase; 4000 Amp; 85kA@635V 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 SB
      Trip Functions: LSIG
      Poles: 3
      Type: SBS
      AIC: 85kA@480V
      Mount Type: Bolt-On
      RFQ
      View Details
    • SBSC40
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      SBSC40

      Cutler Hammer SBSC40 Insulated Case Circuit Breaker. Family Magnum SB; Type SBSC; 3 Pole; 3 Phase; 4000 Amp; 100kA@635V 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 SB
      Trip Functions: LSIG
      Poles: 3
      Type: SBSC
      AIC: 100kA@480V
      Mount Type: Bolt-On
      RFQ
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    • SBSE40
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      SBSE40

      Cutler Hammer SBSE40 Insulated Case Circuit Breaker. Family Magnum SB; Type SBSE; 3 Pole; 3 Phase; 4000 Amp; 150kA@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 SB
      Trip Functions: LSIG
      Poles: 3
      Type: SBSE
      AIC: 150kA@480V
      Mount Type: Bolt-On
      RFQ
      View Details
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