Miniature Circuit Breakers (MCBs)

Compact breakers designed for low-voltage protection.

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  • Square D EJB34020 Miniature Circuit Breakers (MCBs)

    Square D EJB34020 Miniature Circuit Breakers (MCBs)

    480 Star/277 VAC, 20 A, 65 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker

    Stock: 3
    Upgrade your hardware supply with surplus Square D EJB34020 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: 
    $507.00
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    Square D EGB16020 Miniature Circuit Breakers (MCBs)

    600 Star/347 VAC, 20 A, 18 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 EGB16020 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: 
    $117.00
  • Square D HOM260 Miniature Circuit Breakers (MCBs)

    Square D HOM260 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 60 A, 10 kA, 2-Pole, Box Lug Terminal, Plug-In Mount, Standard, Common Trip, Miniature Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Square D HOM260 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: 
    $20.67
  • Square D QO220 Miniature Circuit Breakers (MCBs)

    Square D QO220 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 20 A, 5/10 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker

    Stock: 12
    Upgrade your hardware supply with surplus Square D QO220 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: 
    $23.98
  • Square D QOB260 Miniature Circuit Breakers (MCBs)

    Square D QOB260 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 60 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker

    Stock: 40
    Upgrade your hardware supply with surplus Square D QOB260 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: 
    $26.66
  • Square D QOB250 Miniature Circuit Breakers (MCBs)

    Square D QOB250 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker

    Stock: 49
    Upgrade your hardware supply with surplus Square D QOB250 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: 
    $24.99
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    Square D QOB230 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker

    Stock: 123
    Upgrade your hardware supply with surplus Square D QOB230 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: 
    $24.99
  • Square D QOB215 Miniature Circuit Breakers (MCBs)

    Square D QOB215 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 15 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Square D QOB215 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: 
    $26.32
  • Square D QOB130 Miniature Circuit Breakers (MCBs)

    Square D QOB130 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker

    Stock: 23
    Upgrade your hardware supply with surplus Square D QOB130 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: 
    $15.60
  • Square D QO330 Miniature Circuit Breakers (MCBs)

    Square D QO330 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 30 A, 5/10 kA Interrupt, 3-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker

    Stock: 63
    Upgrade your hardware supply with surplus Square D QO330 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: 
    $57.49
  • Bulk
    Square D QO220GFI Miniature Circuit Breakers (MCBs)

    Square D QO220GFI Miniature Circuit Breakers (MCBs)

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

    Stock: 131
    Upgrade your hardware supply with surplus Square D QO220GFI 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
  • Square D QO215 Miniature Circuit Breakers (MCBs)

    Square D QO215 Miniature Circuit Breakers (MCBs)

    120/240 VAC 50/60 Hz, 48 VDC, 15 A, 5/10 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker

    Stock: 4
    Upgrade your hardware supply with surplus Square D QO215 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: 
    $23.98