Miniature Circuit Breakers (MCBs)

Compact breakers designed for low-voltage protection.

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  • Square D EDB14030 Miniature Circuit Breakers (MCBs)
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    Square D EDB14030 Miniature Circuit Breakers (MCBs)

    277 VAC, 30 A, 18 kA, 1-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 EDB14030 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: 
    $56.55
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  • Siemens D130 Miniature Circuit Breakers (MCBs)
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    Siemens D130 Miniature Circuit Breakers (MCBs)

    1/40 HP, 115 VAC 60 Hz 1-Phase, 1 A, 4-Pole, 1550 RPM, 1-Speed, Steel Frame, Class B Insulation, Extended Stud Mount, Clockwise Shaft End, Sleeve Drive End Bearing, Flat Shaft, Shaded Pole, OAO, HVAC/R Motor

    Stock: 1
    Upgrade your hardware supply with surplus Siemens D130 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: 
    $11.58
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  • Siemens Q170 Miniature Circuit Breakers (MCBs)
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    Siemens Q170 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 70 A, 10 kA, 1-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center

    Stock: 2
    Upgrade your hardware supply with surplus Siemens Q170 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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  • Murray MPD2150 Miniature Circuit Breakers (MCBs)
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    Murray MPD2150 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 150 A, 10 kA, 2-Pole, MD-T Frame, Non-Reversible, Main Circuit Breaker for Load Center

    Stock: 1
    Upgrade your hardware supply with surplus Murray MPD2150 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: 
    $157.53
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  • Siemens B24000S01 Miniature Circuit Breakers (MCBs)
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    Siemens B24000S01 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 40 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Panelboard Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Siemens B24000S01 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: 
    $136.50
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  • Murray MP240GF Miniature Circuit Breakers (MCBs)
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    Murray MP240GF Miniature Circuit Breakers (MCBs)

    120/240 VAC, 40 A, 10 kA, 5 mA, 2-Pole, Plug-In Mount, MP-GT Frame, GFCI, Personal Protect, Miniature Circuit Breaker

    Stock: 3
    Upgrade your hardware supply with surplus Murray MP240GF 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: 
    $128.02
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  • Murray MQ260 Miniature Circuit Breakers (MCBs)
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    Murray MQ260 Miniature Circuit Breakers (MCBs)

    60 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker

    Stock: 4
    Upgrade your hardware supply with surplus Murray MQ260 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: 
    $15.48
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  • Murray MQ250 Miniature Circuit Breakers (MCBs)
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    Murray MQ250 Miniature Circuit Breakers (MCBs)

    50 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Murray MQ250 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: 
    $20.24
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  • Murray MQ240 Miniature Circuit Breakers (MCBs)
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    Murray MQ240 Miniature Circuit Breakers (MCBs)

    40 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker

    Stock: 7
    Upgrade your hardware supply with surplus Murray MQ240 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: 
    $18.05
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  • Murray MQ220 Miniature Circuit Breakers (MCBs)
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    Murray MQ220 Miniature Circuit Breakers (MCBs)

    20 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker

    Stock: 6
    Upgrade your hardware supply with surplus Murray MQ220 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: 
    $19.02
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  • Murray MQ130 Miniature Circuit Breakers (MCBs)
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    Murray MQ130 Miniature Circuit Breakers (MCBs)

    30 A, 10 kA, 1-Pole, 3/4" Format, MSQ Frame, Circuit Breaker

    Stock: 8
    Upgrade your hardware supply with surplus Murray MQ130 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: 
    $48.91
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  • Murray MQ120 Miniature Circuit Breakers (MCBs)
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    Murray MQ120 Miniature Circuit Breakers (MCBs)

    20 A, 10 kA, 1-Pole, 3/4" Format, MSQ Frame, Circuit Breaker

    Stock: 34
    Upgrade your hardware supply with surplus Murray MQ120 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: 
    $12.55
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