Circuit Breakers

Switching devices that automatically cut power in case of overloads or faults.
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  • Square D EGB14020 Miniature Circuit Breakers (MCBs)
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    Square D EGB14020 Miniature Circuit Breakers (MCBs)

    277 VAC, 20 A, 35 kA, 1-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker

    Stock: 12
    Upgrade your hardware supply with surplus Square D EGB14020 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,...
    From: 
    $83.85
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  • Square D EDB34030 Miniature Circuit Breakers (MCBs)
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    Square D EDB34030 Miniature Circuit Breakers (MCBs)

    480 Star/277 VAC, 30 A, 18 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker

    Stock: 7
    Upgrade your hardware supply with surplus Square D EDB34030 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,...
    From: 
    $241.80
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  • Square D QOB330VH Miniature Circuit Breakers (MCBs)
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    Square D QOB330VH Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 30 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker

    Stock: 70
    Upgrade your hardware supply with surplus Square D QOB330VH 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,...
    From: 
    $173.55
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  • Square D QOB3100VH Miniature Circuit Breakers (MCBs)
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    Square D QOB3100VH Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 100 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker

    Stock: 6
    Upgrade your hardware supply with surplus Square D QOB3100VH 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,...
    From: 
    $196.95
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  • Square D QOB240EPD Miniature Circuit Breakers (MCBs)
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    Square D QOB240EPD Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 40 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Box Lug Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QOB240EPD 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,...
    From: 
    $313.95
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  • Square D QOB220GFI Miniature Circuit Breakers (MCBs) Square D QOB220GFI Miniature Circuit Breakers (MCBs)
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    Square D QOB220GFI Miniature Circuit Breakers (MCBs)

    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: 2
    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,...
    From: 
    $195.00
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  • Square D QO260GFI Miniature Circuit Breakers (MCBs)
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    Square D QO260GFI Miniature Circuit Breakers (MCBs)

    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,...
    From: 
    $74.88
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  • Square D QO240VH Miniature Circuit Breakers (MCBs)
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    Square D QO240VH Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 40 A, 22 kA Interrupt, 2-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Square D QO240VH 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,...
    From: 
    $83.85
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    Square D QO240GFI Miniature Circuit Breakers (MCBs) Square D QO240GFI Miniature Circuit Breakers (MCBs)
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    Square D QO240GFI Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 40 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: 145
    Upgrade your hardware supply with surplus Square D QO240GFI 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,...
    From: 
    $120.90
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  • Square D QO2175 Miniature Circuit Breakers (MCBs)
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    Square D QO2175 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 175 A, 10 kA Interrupt, 2-Pole, 1 AWG to 300 KCMIL Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QO2175 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...
    From: 
    $290.55
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  • Square D QO215GFI Miniature Circuit Breakers (MCBs) Square D QO215GFI Miniature Circuit Breakers (MCBs)
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    Square D QO215GFI Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 15 A, 10 kA Interrupt, 2-Pole, Plug-In Mount, 2-Panel Space, Pressure Plate Terminal, 6 mA Class A Ground Fault, Pigtail, Miniature Circuit Breaker

    Stock: 10
    Upgrade your hardware supply with surplus Square D QO215GFI 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,...
    From: 
    $124.80
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  • Square D QO2150 Miniature Circuit Breakers (MCBs) Square D QO2150 Miniature Circuit Breakers (MCBs)
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    Square D QO2150 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 150 A, 10 kA Interrupt, 2-Pole, 1 AWG to 300 KCMIL Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QO2150 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...
    From: 
    $290.55
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