Circuit Breakers

Switching devices that automatically cut power in case of overloads or faults.
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  • Murray MP130 Miniature Circuit Breakers (MCBs)
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    Murray MP130 Miniature Circuit Breakers (MCBs)

    120 VAC, 30 A, 10 kA, 1-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker

    Stock: 42
    Upgrade your hardware supply with surplus Murray MP130 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: 
    $16.63
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  • Murray MP240 Miniature Circuit Breakers (MCBs)
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    Murray MP240 Miniature Circuit Breakers (MCBs)

    120/240 V, 40 A, 10 kA, 2-Pole, Load Lug Terminal, MP-T Frame, Thermal Magnetic, Low Vage, Miniature, Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Murray MP240 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: 
    $34.42
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  • Siemens Q315 Miniature Circuit Breakers (MCBs)
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    Siemens Q315 Miniature Circuit Breakers (MCBs)

    240 VAC, 15 A, 10 kA, 3-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center

    Stock: 2
    Upgrade your hardware supply with surplus Siemens Q315 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: 
    $52.65
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  • Siemens Q235 Miniature Circuit Breakers (MCBs)
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    Siemens Q235 Miniature Circuit Breakers (MCBs)

    120/240 V, 35 A, 10 kA, 2-Pole, Plug-In, QP Frame, Common Trip, Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Siemens Q235 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
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  • Siemens BQ3B025 Miniature Circuit Breakers (MCBs)
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    Siemens BQ3B025 Miniature Circuit Breakers (MCBs)

    240 VAC, 25 A, 10 kA Interrupt, 3-Pole, BQ-Frame, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Common Trip, Molded Case Circuit Breaker

    Stock: 4
    Upgrade your hardware supply with surplus Siemens BQ3B025 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: 
    $124.80
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  • Siemens BQ2B045 Miniature Circuit Breakers (MCBs)
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    Siemens BQ2B045 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 45 A, 10 kA, 2-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Siemens BQ2B045 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: 
    $40.95
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  • Eaton BR120 Miniature Circuit Breakers (MCBs) Eaton BR120 Miniature Circuit Breakers (MCBs)
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    Eaton BR120 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 20 A, 10 kA, 1-Pole, Lug Screw Terminal, Plug-On Mount, Thermal Magnetic

    Stock: 58
    Genuine Eaton BR120 Miniature Circuit Breakers (MCBs). Surplus from verified OEM partners, fully inspected for authentic quality, at a fraction of distributor pricing.Critical Surplus specializes in responsibly sourced OEM surplus parts, giving...
    From: 
    $2.11
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  • Siemens B22500S01 Miniature Circuit Breakers (MCBs) Siemens B22500S01 Miniature Circuit Breakers (MCBs)
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    Siemens B22500S01 Miniature Circuit Breakers (MCBs)

    BREAKER 25A 2P 120/240V 10K BL 120V SHNT

    Stock: 2
    Upgrade your hardware supply with surplus Siemens B22500S01 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: 
    $167.66
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