Circuit Breakers

Switching devices that automatically cut power in case of overloads or faults.
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  • Siemens Q22050CT Miniature Circuit Breakers (MCBs)
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    Siemens Q22050CT Miniature Circuit Breakers (MCBs)

    120/240 VAC, 20/50 A, 10 kA, (2) 1-Pole/(1) 2-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QT Frame, Triplex, Thermal Magnetic Trip Unit

    Stock: 2
    Upgrade your hardware supply with surplus Siemens Q22050CT Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value,...
    $37.05
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  • Siemens BQD120 Miniature Circuit Breakers (MCBs)
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    Siemens BQD120 Miniature Circuit Breakers (MCBs)

    277 VAC, 125 VDC, 20 A, 14 kA Interrupt, 1-Pole, BQD-Frame, Thermal Magnetic Trip

    Stock: 4
    Upgrade your hardware supply with surplus Siemens BQD120 Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $51.80
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  • Siemens B350HH Miniature Circuit Breakers (MCBs)
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    Siemens B350HH Miniature Circuit Breakers (MCBs)

    240 VAC, 50 A, 65 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch

    Stock: 18
    Upgrade your hardware supply with surplus Siemens B350HH Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $250.04
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  • Square D EGB34040 Miniature Circuit Breakers (MCBs) Square D EGB34040 Miniature Circuit Breakers (MCBs)
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    Square D EGB34040 Miniature Circuit Breakers (MCBs)

    480 Star/277 VAC, 40 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature

    Stock: 2
    Upgrade your hardware supply with surplus Square D EGB34040 Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value,...
    $351.00
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  • Square D QO3401021 Miniature Circuit Breakers (MCBs)
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    Square D QO3401021 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 40 A, 10 kA Interrupt, 3-Pole, 8 to 2 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Standard, AC Shunt Trip

    Stock: 44
    Upgrade your hardware supply with surplus Square D QO3401021 Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value,...
    $505.40
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  • GENERAL ELECTRIC THHQB32040 Miniature Circuit Breakers (MCBs)
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    GENERAL ELECTRIC THHQB32040 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 40 A, 22 kA Interrupt, 3-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic

    Stock: 2
    Upgrade your hardware supply with surplus GENERAL ELECTRIC THHQB32040 Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional...
    $122.85
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  • Square D QO120GFI Miniature Circuit Breakers (MCBs) Square D QO120GFI Miniature Circuit Breakers (MCBs)
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    Square D QO120GFI Miniature Circuit Breakers (MCBs)

    120 VAC, 20 A, 10 kA, 1-Pole, Pressure Plate Terminal, Plug-In Mount, Ground Fault

    Stock: 4
    Upgrade your hardware supply with surplus Square D QO120GFI Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value,...
    $62.40
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  • Eaton QBH1020EP Miniature Circuit Breakers (MCBs) Eaton QBH1020EP Miniature Circuit Breakers (MCBs)
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    Eaton QBH1020EP Miniature Circuit Breakers (MCBs)

    EATON QB GFCI CIRCUIT BREAKER, BOLT-ON EQUIPMENT PROTECTION, 20A, 22KAIC,S INGLE

    Stock: 12
    Upgrade your hardware supply with surplus Eaton QBH1020EP Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $194.85
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  • Altech 1G10UM Miniature Circuit Breakers (MCBs) Altech 1G10UM Miniature Circuit Breakers (MCBs)
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    Altech 1G10UM Miniature Circuit Breakers (MCBs)

    Altech Corp 1G10UM Circuit Breaker, Thermal Magnetic, 10A, 1 Pole, G Trip, Ring Tongue, V-EA Series

    Stock: 13
    Upgrade your hardware supply with surplus Altech 1G10UM Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $4.42
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  • Eaton FAZ-B1/1N Miniature Circuit Breakers (MCBs)
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    Eaton FAZ-B1/1N Miniature Circuit Breakers (MCBs)

    277/480 VAC 50/60 Hz, 1 A, 1-Pole+ Neutral, 10 kA, 3 to 5 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, B-Curve, Current Limiting, Thermal Magnetic

    Stock: 1
    Upgrade your hardware supply with surplus Eaton FAZ-B1/1N Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $51.50
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  • Siemens Q150 Miniature Circuit Breakers (MCBs)
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    Siemens Q150 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 50 A, 10 kA, 1-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center

    Stock: 2
    Upgrade your hardware supply with surplus Siemens Q150 Miniature Circuit Breakers (MCBs), a smart choice for any warehouse. This product delivers solid functionality and enduring performance. Because it is surplus, you get an exceptional value, making...
    $6.43
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