Circuit Breakers

Switching devices that automatically cut power in case of overloads or faults.
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  • Square D EJB34050 Miniature Circuit Breakers (MCBs)
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    Square D EJB34050 Miniature Circuit Breakers (MCBs)

    480 Star/277 VAC, 50 A, 65 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 EJB34050 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,...
    $441.00
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  • Square D EJB34035 Miniature Circuit Breakers (MCBs) Square D EJB34035 Miniature Circuit Breakers (MCBs)
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    Square D EJB34035 Miniature Circuit Breakers (MCBs)

    480 Star/277 VAC, 35 A, 65 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus Square D EJB34035 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,...
    $434.00
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  • Square D A1L230 Miniature Circuit Breakers (MCBs)
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    Square D A1L230 Miniature Circuit Breakers (MCBs)

    A1L230, Square D, A1L Series, type A1L, 2P, 1PH, 30A, rated for 240VAC & 48VDC, 10kA@240V, standard interrupting capacity, 40°C

    Stock: 1
    Upgrade your hardware supply with surplus Square D A1L230 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...
    $61.88
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  • Square D A1L120 Miniature Circuit Breakers (MCBs)
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    Square D A1L120 Miniature Circuit Breakers (MCBs)

    A1L120 CIRCUIT BREAKER 20AMP 240VAC

    Stock: 1
    Upgrade your hardware supply with surplus Square D A1L120 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...
    $38.76
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  • Square D EGB34080 Miniature Circuit Breakers (MCBs)
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    Square D EGB34080 Miniature Circuit Breakers (MCBs)

    480 Star/277 VAC, 80 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker

    Stock: 33
    Upgrade your hardware supply with surplus Square D EGB34080 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,...
    $611.80
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  • GE THQL1140 Miniature Circuit Breakers (MCBs)
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    GE THQL1140 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 40 A, 10 kA Interrupt, 1-Pole, (1) 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Feeder Molded Case Circuit Breaker

    Stock: 10
    Upgrade your hardware supply with surplus GE THQL1140 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...
    $7.99
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  • GENERAL ELECTRIC THFK236F000 Miniature Circuit Breakers (MCBs)
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    GENERAL ELECTRIC THFK236F000 Miniature Circuit Breakers (MCBs)

    120 to 600 VAC, 90 to 225 A, 65 kA at 120/240 VAC, 25 kA at 277/480 VAC, 18 kA at 600 VAC, 3-Pole, Thermal Magnetic, Interchangeable Trip, Molded Case Circuit Breaker Frame

    Stock: 1
    Upgrade your hardware supply with surplus GENERAL ELECTRIC THFK236F000 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...
    $878.60
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  • GENERAL ELECTRIC THHQB32090 Miniature Circuit Breakers (MCBs)
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    GENERAL ELECTRIC THHQB32090 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 90 A, 22 kA Interrupt, 3-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Miniature Molded Case Circuit Breaker

    Stock: 2
    Upgrade your hardware supply with surplus GENERAL ELECTRIC THHQB32090 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...
    $189.15
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  • Siemens BE230 Miniature Circuit Breakers (MCBs) Siemens BE230 Miniature Circuit Breakers (MCBs)
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    Siemens BE230 Miniature Circuit Breakers (MCBs)

    120/240 VAC, 30 A, 10 kA, 30 mA, 2-Pole, Bolt-On Mount, BLE Frame, Ground Fault Equipment Protector, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard

    Stock: 1
    Upgrade your hardware supply with surplus Siemens BE230 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...
    $175.50
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  • GENERAL ELECTRIC THQB21WY30 Miniature Circuit Breakers (MCBs)
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    GENERAL ELECTRIC THQB21WY30 Miniature Circuit Breakers (MCBs)

    10kAIC@120V Bolt-On 1 Phase Long Time and Instantaneous Trip Functions Thermal Magnetic Switching Neutral Single Thermal Magnetic Pole Single Non-Automatic Pole Load Side Lug Terminals

    Stock: 10
    Upgrade your hardware supply with surplus GENERAL ELECTRIC THQB21WY30 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...
    $80.73
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  • GENERAL ELECTRIC TEY330ST12 Miniature Circuit Breakers (MCBs) GENERAL ELECTRIC TEY330ST12 Miniature Circuit Breakers (MCBs)
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    GENERAL ELECTRIC TEY330ST12 Miniature Circuit Breakers (MCBs)

    480 VAC Star/277 VAC, 30 A, 65 kA Interrupt, 3-Pole, 14 to 10 AWG Aluminum/Copper Integral Load Lug Terminal, 1" Bolt-On Mount, Non-Interchangeable Trip, Compact, Thermal Magnetic, Industrial Molded Case Circuit Breaker with 120 to 277 VAC Shunt Trip

    Stock: 1
    Upgrade your hardware supply with surplus GENERAL ELECTRIC TEY330ST12 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...
    $515.97
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