Circuit Breakers

Switching devices that automatically cut power in case of overloads or faults.
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  • Square D QOB340 Miniature Circuit Breakers (MCBs)
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    Square D QOB340 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 40 A, 10 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker

    Stock: 18
    Upgrade your hardware supply with surplus Square D QOB340 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: 
    $89.70
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  • Square D QOB330SWN Miniature Circuit Breakers (MCBs)
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    Square D QOB330SWN Miniature Circuit Breakers (MCBs)

    Mini circuit breaker, QO, 30A, 3 pole, 120/240VAC, 10kA, bolt on, switch neutral

    Stock: 3
    Upgrade your hardware supply with surplus Square D QOB330SWN 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: 
    $156.00
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  • Square D QOB160 Miniature Circuit Breakers (MCBs)
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    Square D QOB160 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 60 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QOB160 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: 
    $19.01
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  • Square D QO360 Miniature Circuit Breakers (MCBs)
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    Square D QO360 Miniature Circuit Breakers (MCBs)

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

    Stock: 64
    Upgrade your hardware supply with surplus Square D QO360 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: 
    $79.95
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  • Square D QO335 Miniature Circuit Breakers (MCBs)
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    Square D QO335 Miniature Circuit Breakers (MCBs)

    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: 21
    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...
    From: 
    $70.83
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  • Square D QO230VH Miniature Circuit Breakers (MCBs)
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    Square D QO230VH Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 30 A, 22 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QO230VH 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 QO220VH Miniature Circuit Breakers (MCBs)
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    Square D QO220VH Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 20 A, 22 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Square D QO220VH 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 HOM140 Miniature Circuit Breakers (MCBs)
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    Square D HOM140 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 40 A, 10 kA Interrupt, 1-Pole, 8 to 2 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Standard

    Stock: 5
    Upgrade your hardware supply with surplus Square D HOM140 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: 
    $7.54
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  • Square D HOM130 Miniature Circuit Breakers (MCBs)
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    Square D HOM130 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 30 A, 10 kA, 1-Pole, ClA Terminal, Plug-In Mount, Standard, Miniature Circuit Breaker

    Stock: 24
    Upgrade your hardware supply with surplus Square D HOM130 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: 
    $7.17
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  • Square D EJB14020 Miniature Circuit Breakers (MCBs)
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    Square D EJB14020 Miniature Circuit Breakers (MCBs)

    277 VAC, 20 A, 65 kA, 1-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker

    Stock: 4
    Upgrade your hardware supply with surplus Square D EJB14020 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: 
    $126.75
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  • Square D EGB34030 Miniature Circuit Breakers (MCBs) Square D EGB34030 Miniature Circuit Breakers (MCBs)
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    Square D EGB34030 Miniature Circuit Breakers (MCBs)

    480 Star/277 VAC, 30 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Square D EGB34030 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: 
    $351.00
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  • Square D EGB34015 Miniature Circuit Breakers (MCBs)
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    Square D EGB34015 Miniature Circuit Breakers (MCBs)

    480 Star/277 VAC, 15 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D EGB34015 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: 
    $351.00
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