Miniature Circuit Breakers (MCBs)

Compact breakers designed for low-voltage protection.

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  • Square D QO345 Miniature Circuit Breaker Square D QO345 Miniature Circuit Breaker
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    Square D QO345 Miniature Circuit Breaker

    120/240 VAC 50/60 Hz, 48 VDC, 45 A, 5/10 kA Interrupt, 3-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QO345 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...
    $99.01
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  • Square D QO120VH Miniature Circuit Breaker
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    Square D QO120VH Miniature Circuit Breaker

    120/240 VAC 50/60 Hz, 20 A, 22 kA Interrupt, 1-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker

    Stock: 7
    Upgrade your hardware supply with surplus Square D QO120VH 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,...
    $31.44
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  • Square D QOB220GFI Miniature Circuit Breaker Square D QOB220GFI Miniature Circuit Breaker
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    Square D QOB220GFI Miniature Circuit Breaker

    120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Pressure Plate Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QOB220GFI 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,...
    $202.49
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  • Square D QO260GFI Miniature Circuit Breaker (Used)
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    Square D QO260GFI Miniature Circuit Breaker (Used)

    Used
    120/240 VAC 50/60 Hz, 60 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 2-Panel Space, Box Lug Terminal, 6 mA Class A Ground Fault, Pigtail, Miniature Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QO260GFI 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,...
    $61.31
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  • Square D QOB380VH Panelboard Circuit Breaker Square D QOB380VH Panelboard Circuit Breaker
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    Square D QOB380VH Panelboard Circuit Breaker

    120/240 VAC 50/60 Hz, 48 VDC, 80 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QOB380VH 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,...
    $264.69
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  • Square D QO335 Miniature Circuit Breaker Square D QO335 Miniature Circuit Breaker
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    Square D QO335 Miniature Circuit Breaker

    120/240 VAC 50/60 Hz, 48 VDC, 35 A, 5/10 kA Interrupt, 3-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker

    Stock: 23
    Upgrade your hardware supply with surplus Square D QO335 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...
    $68.66
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  • Square D QOB320 Panelboard Circuit Breaker Square D QOB320 Panelboard Circuit Breaker
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    Square D QOB320 Panelboard Circuit Breaker

    Stock: 5
    Upgrade your hardware supply with surplus Square D QOB320 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...
    $79.55
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  • Square D QO260 Miniature Circuit Breaker Square D QO260 Miniature Circuit Breaker
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    Square D QO260 Miniature Circuit Breaker

    120/240 VAC 50/60 Hz, 48 VDC, 60 A, 5/10 kA Interrupt, 2-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QO260 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...
    $32.18
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  • Square D HOM235 Miniature Circuit Breaker Square D HOM235 Miniature Circuit Breaker
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    Square D HOM235 Miniature Circuit Breaker

    120/240 VAC, 35 A, 10 kA Interrupt, 2-Pole, 8 to 2 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker

    Stock: 10
    Upgrade your hardware supply with surplus Square D HOM235 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...
    $19.89
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  • Siemens MQ240 Circuit Breaker Siemens MQ240 Circuit Breaker
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    Siemens MQ240 Circuit Breaker

    40 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Murray MQ240 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...
    $26.85
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  • Siemens BQD260 Panelboard Circuit Breaker (Repackaged)
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    Siemens BQD260 Panelboard Circuit Breaker (Repackaged)

    Unused Repackaged
    480 VAC Star/277 VAC, 60 A, 14 kA, 2-Pole, Low-Tab Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Siemens BQD260 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...
    $99.20
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  • Siemens BQD250 Panelboard Circuit Breaker (Repackaged)
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    Siemens BQD250 Panelboard Circuit Breaker (Repackaged)

    Unused Repackaged
    480 VAC Star/277 VAC, 50 A, 14 kA, 2-Pole, Low-Tab Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Siemens BQD250 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...
    $56.20
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