Miniature Circuit Breakers (MCBs)

Compact breakers designed for low-voltage protection.

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  • Siemens BQ3B035 Miniature Circuit Breakers (MCBs)
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    Siemens BQ3B035 Miniature Circuit Breakers (MCBs)

    240 VAC, 35 A, 10 kA, 3-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Siemens BQ3B035 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...
    $124.80
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  • Siemens B350 Miniature Circuit Breakers (MCBs) Siemens B350 Miniature Circuit Breakers (MCBs)
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    Siemens B350 Miniature Circuit Breakers (MCBs)

    240 VAC, 50 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker

    Stock: 6
    Upgrade your hardware supply with surplus Siemens B350 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...
    $76.05
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  • Siemens B330 Miniature Circuit Breakers (MCBs) Siemens B330 Miniature Circuit Breakers (MCBs)
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    Siemens B330 Miniature Circuit Breakers (MCBs)

    240 VAC 50/60 Hz, 30 A, 10 kA, 3-Pole, BL Frame, Bolt-On, Molded Case, Thermal and Fixed Magnetic Trip, Common Trip, Panelboard Circuit Breaker

    Stock: 24
    Upgrade your hardware supply with surplus Siemens B330 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...
    $58.33
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  • Siemens Q350 Miniature Circuit Breakers (MCBs)
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    Siemens Q350 Miniature Circuit Breakers (MCBs)

    240 VAC, 50 A, 10 kA, 3-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center

    Stock: 2
    Upgrade your hardware supply with surplus Siemens Q350 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...
    $52.65
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  • Siemens Q340 Miniature Circuit Breakers (MCBs)
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    Siemens Q340 Miniature Circuit Breakers (MCBs)

    240 VAC, 40 A, 10 kA, 3-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center

    Stock: 1
    Upgrade your hardware supply with surplus Siemens Q340 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...
    $52.65
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  • Murray Q24030CT2 Miniature Circuit Breakers (MCBs)
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    Murray Q24030CT2 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 40/30 A, 10 kA, (2) 2-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QT Frame, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center

    Stock: 51
    Upgrade your hardware supply with surplus Murray Q24030CT2 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,...
    $50.54
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  • Siemens NGB1B020 Miniature Circuit Breakers (MCBs)
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    Siemens NGB1B020 Miniature Circuit Breakers (MCBs)

    SIEMENS NGB1B020 Breaker NGB 1P 20A 347V 14KA, Black

    Stock: 1
    Upgrade your hardware supply with surplus Siemens NGB1B020 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,...
    $57.50
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  • Siemens B215 Miniature Circuit Breakers (MCBs)
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    Siemens B215 Miniature Circuit Breakers (MCBs)

    Bolt-In Circuit Breaker, 120-Volt, 2-Pole, 15-A, 10KAIC

    Stock: 2
    Upgrade your hardware supply with surplus Siemens B215 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...
    $27.30
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  • Siemens B350H Miniature Circuit Breakers (MCBs)
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    Siemens B350H Miniature Circuit Breakers (MCBs)

    240 VAC, 50 A, 22 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Siemens B350H 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...
    $118.95
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  • Siemens QF130A Miniature Circuit Breakers (MCBs)
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    Siemens QF130A Miniature Circuit Breakers (MCBs)

    120 VAC, 30 A, 10 kA, 5 mA, 1-Pole, Plug-In Mount, QPF2 Frame, GFCI, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center

    Stock: 2
    Upgrade your hardware supply with surplus Siemens QF130A 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...
    $54.60
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  • Siemens QF115A Miniature Circuit Breakers (MCBs)
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    Siemens QF115A Miniature Circuit Breakers (MCBs)

    120 VAC, 15 A, 10 kA, 5 mA, 1-Pole, Plug-In Mount, Auxiliary Switch, 24 VDC Shunt Trip, QPF2 Frame, GFCI, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center

    Stock: 2
    Upgrade your hardware supply with surplus Siemens QF115A 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...
    $54.60
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