Circuit Breakers

Switching devices that automatically cut power in case of overloads or faults.
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  • Square D LA36400 Molded Case Breakers (MCCBs)
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    Square D LA36400 Molded Case Breakers (MCCBs)

    600 VAC, 250 VDC, 400 A, 22 kA, 3-Pole, L-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker

    Stock: 17
    Upgrade your hardware supply with surplus Square D LA36400 Molded Case Breakers (MCCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $4,841.20
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  • Siemens LGB3B125B Molded Case Circuit Breaker
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    Siemens LGB3B125B Molded Case Circuit Breaker

    600 VAC Star/347 VAC, 125 A, 65 kA at 480 VAC Star/277 VAC, 3-Pole, 8 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, LGB Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard

    Stock: 7
    Upgrade your hardware supply with surplus Siemens LGB3B125B Molded Case Breakers (MCCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $572.42
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  • Siemens HFD63B225 Molded Case Circuit Breaker Siemens HFD63B225 Molded Case Circuit Breaker
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    Siemens HFD63B225 Molded Case Circuit Breaker

    600 VAC, 500 VDC, 225 A at 40 Deg C, 65 kA at 480 VAC, 3-Pole, FD Frame, Thermal Magnetic Trip Unit, Interchangeable Trip, Molded Case Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Siemens HFD63B225 Molded Case Breakers (MCCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $1,355.25
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  • Siemens FD63T225 Interchangeable Molded Case Circuit Breaker Trip Unit
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    Siemens FD63T225 Interchangeable Molded Case Circuit Breaker Trip Unit

    600 VAC, 500 VDC, 225 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit

    Stock: 3
    Upgrade your hardware supply with surplus Siemens FD63T225 Molded Case Breakers (MCCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $331.44
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  • Siemens HFXD63B250L Molded Case Breakers (MCCBs)
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    Siemens HFXD63B250L Molded Case Breakers (MCCBs)

    BRKR HFD6 3P 600V 250A FX LUG

    Stock: 1
    Upgrade your hardware supply with surplus Siemens HFXD63B250L Molded Case Breakers (MCCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $2,492.26
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  • Siemens FD63T150 Interchangeable Molded Case Circuit Breaker Trip Unit
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    Siemens FD63T150 Interchangeable Molded Case Circuit Breaker Trip Unit

    600 VAC, 500 VDC, 150 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit

    Stock: 3
    Upgrade your hardware supply with surplus Siemens FD63T150 Molded Case Breakers (MCCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $421.20
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  • Siemens HHED63B040L Circuit Breaker
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    Siemens HHED63B040L Circuit Breaker

    600 V, 40 A, 3-Pole, 18/65 kA, Line and Load Side Lug, ED Frame, Molded Case, Thermal Magnetic, Low Vage, Extra High Breaking Capacity, Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Siemens HHED63B040L Molded Case Breakers (MCCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $671.44
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  • Siemens HED43B045L Molded Case Circuit Breaker
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    Siemens HED43B045L Molded Case Circuit Breaker

    BRKR HED4 3P 480V 45A LUG

    Stock: 1
    Upgrade your hardware supply with surplus Siemens HED43B045L Molded Case Breakers (MCCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $652.53
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  • Siemens ED43B030 Molded Case Circuit Breaker Siemens ED43B030 Molded Case Circuit Breaker
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    Siemens ED43B030 Molded Case Circuit Breaker

    480 VAC 50/60 Hz, 30 A at 40 Deg C, 18 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Siemens ED43B030 Molded Case Breakers (MCCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $485.55
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