Miniature Circuit Breakers (MCBs)

Compact breakers designed for low-voltage protection.

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  • Square D EGB34045 Miniature Circuit Breakers (MCBs)
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    Square D EGB34045 Miniature Circuit Breakers (MCBs)

    480 Star/277 VAC, 45 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 EGB34045 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,...
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    $370.50
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  • Siemens HEB2B015B Miniature Circuit Breakers (MCBs) Siemens HEB2B015B Miniature Circuit Breakers (MCBs)
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    Siemens HEB2B015B Miniature Circuit Breakers (MCBs)

    BRKR HEB 15A 2P 480V 65K LD LUG

    Stock: 3
    Upgrade your hardware supply with surplus Siemens HEB2B015B 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: 
    $397.40
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  • Murray MQJ390 Miniature Circuit Breakers (MCBs) Murray MQJ390 Miniature Circuit Breakers (MCBs)
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    Murray MQJ390 Miniature Circuit Breakers (MCBs)

    a 3-pole, 90-amp, 240-volt miniature circuit breaker designed to protect electrical circuits from overcurrents

    Stock: 2
    Upgrade your hardware supply with surplus Murray MQJ390 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: 
    $400.40
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  • Murray MQJ2200 Miniature Circuit Breakers (MCBs)
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    Murray MQJ2200 Miniature Circuit Breakers (MCBs)

    Type: MQ; Amperage: 200; Poles: 2; Voltage: 240. MQJ2200 Description. BREAKER QJ 2P 200A 240V 10KA-MURRAY Molded Case Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Murray MQJ2200 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: 
    $213.46
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  • Murray MQJ2150 Miniature Circuit Breakers (MCBs)
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    Murray MQJ2150 Miniature Circuit Breakers (MCBs)

    2 Pole thermal magnetic molded case circuit breaker with a current rating of 150 Amps and a voltage rating of 120/240VAC

    Stock: 1
    Upgrade your hardware supply with surplus Murray MQJ2150 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: 
    $160.48
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  • Siemens Q2125H Miniature Circuit Breakers (MCBs)
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    Siemens Q2125H Miniature Circuit Breakers (MCBs)

    120/240 VAC, 125 A, 22 kA, 2-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center

    Stock: 2
    Upgrade your hardware supply with surplus Siemens Q2125H 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: 
    $53.82
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  • Siemens BQD3100 Miniature Circuit Breakers (MCBs)
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    Siemens BQD3100 Miniature Circuit Breakers (MCBs)

    480 VAC Star/277 VAC, 100 A, 14 kA, 3-Pole, Bolt-On Mount, Molded Case, Branch, Thermal Magnetic, Panelboard Circuit Breaker

    Stock: 10
    Upgrade your hardware supply with surplus Siemens BQD3100 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: 
    $202.80
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  • Siemens B3100H Miniature Circuit Breakers (MCBs)
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    Siemens B3100H Miniature Circuit Breakers (MCBs)

    240 VAC, 100 A, 22 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Branch, Panelboard Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Siemens B3100H 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: 
    $192.69
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  • Siemens BQD380 Miniature Circuit Breakers (MCBs) Siemens BQD380 Miniature Circuit Breakers (MCBs)
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    Siemens BQD380 Miniature Circuit Breakers (MCBs)

    480 VAC Star/277 VAC, 80 A, 14 kA, 3-Pole, Bolt-On Mount, Molded Case, Branch, Thermal Magnetic, Panelboard Circuit Breaker

    Stock: 1
    Upgrade your hardware supply with surplus Siemens BQD380 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: 
    $202.80
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  • Siemens BQD370 Miniature Circuit Breakers (MCBs)
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    Siemens BQD370 Miniature Circuit Breakers (MCBs)

    480 VAC Star/277 VAC, 70 A, 14 kA, 3-Pole, Bolt-On Mount, Molded Case, Branch, Thermal Magnetic, Panelboard Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Siemens BQD370 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: 
    $202.80
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  • Siemens BQD350 Miniature Circuit Breakers (MCBs) Siemens BQD350 Miniature Circuit Breakers (MCBs)
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    Siemens BQD350 Miniature Circuit Breakers (MCBs)

    480 VAC Star/277 VAC, 50 A, 14 kA, 3-Pole, Bolt-On Mount, Molded Case, Branch, Thermal Magnetic, Panelboard Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Siemens BQD350 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: 
    $179.40
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  • Siemens HEB1B020B Miniature Circuit Breakers (MCBs) Siemens HEB1B020B Miniature Circuit Breakers (MCBs)
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    Siemens HEB1B020B Miniature Circuit Breakers (MCBs)

    BRKR HEB 20A 1P 277V 65K LD LUG

    Stock: 3
    Upgrade your hardware supply with surplus Siemens HEB1B020B 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: 
    $179.63
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