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    Industrial Circuit Breakers & Protection Devices

    Ensure electrical safety and operational continuity with our robust selection of air breakers, vacuum circuit breakers, and DIN rail-mounted solutions. Designed to provide dependable circuit protection across industrial power systems and critical infrastructure.

    Safeguard your electrical systems with our comprehensive range of circuit breakers. Our comprehensive range features air breakers, ground & test devices, DIN rail mount circuit breakers, vacuum circuit breakers, and panel mount circuit breakers to meet your circuit protection needs. Whether you're safeguarding critical electrical systems, upgrading industrial equipment, or maintaining power distribution networks, our circuit breakers provide the reliable protection and control you need for optimal performance and safety. Shop now for reliable circuit breakers to protect your electrical systems.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Radwell is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

    Filter Results
    Results 751-800 of 906.
    ALLEN BRADLEY 1492-GS1G010

    ALLEN BRADLEY

    1492-GS1G010

    MINI CIRCUIT BREAKERS, (TOGGLE STYLE), HIGH DENSITY, 1 POLE, G-TRIP CHARACTERISTICS - INDUCTIVE LOADS (AC), 1.0 AMP RATING
    ✓ IN STOCK!
    Buy Surplus As Low As $25.00
    $25.00
    ALLEN BRADLEY 1492-GHA010

    ALLEN BRADLEY

    1492-GHA010

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 1 AMP, 1 POLE, 250 VAC, IEC, OPEN STYLE, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $47.00
    $47.00
    ALLEN BRADLEY 1492-GH150

    ALLEN BRADLEY

    1492-GH150

    CIRCUIT BREAKER, MINIATURE, 15 AMP, 1 POLE, 125 VAC, 50/60 HZ, 65 VDC, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $69.00
    $69.00
    ALLEN BRADLEY 1492-GH100

    ALLEN BRADLEY

    1492-GH100

    MINIATURE CIRCUIT BREAKER, DIN-RAIL, 10 AMP, 1 POLE, 65/125 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $85.91
    $85.91
    ALLEN BRADLEY 1492-GH070

    ALLEN BRADLEY

    1492-GH070

    MINIATURE CIRCUIT BREAKER, 7 AMP, 1 POLE, 65 VDC, DIN RAIL MOUNT, 250 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $75.08
    $75.08
    ALLEN BRADLEY 1492-GH050

    ALLEN BRADLEY

    1492-GH050

    CIRCUIT BREAKER, MINIATURE, 1 POLE, 5 AMP, 250 VAC, 50/60 HZ, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $86.00
    $86.00
    SIEMENS ED43B030L

    SIEMENS

    SIEMENS INDUSTRY

    ED43B030L

    DISCONTINUED BY MANUFACTURER, MOLDED CASE CIRCUIT BREAKER, 3 POLES, 3 PHASE, 480V, 30A, THERMAL MAGNETIC PROTECTION, LINE AND LOAD SIDE LUG
    ✓ IN STOCK!
    Buy Surplus As Low As $471.24
    $471.24
    Repair Yours $424.00
    SIEMENS ED43B030

    SIEMENS

    ED43B030

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAGNETIC, STANDARD RATING, TYPE ED, 480 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 30 AMP
    ✓ IN STOCK!
    $1,030.92 Buy Surplus As Low As $385.54
    $385.54
    Repair Yours $333.38
    SIEMENS ED23B040

    SIEMENS

    ITE SIEMENS

    ED23B040

    CIRCUIT BREAKER, 240 VAC, 40 AMP, 50/60 HZ, 3 POLES, 3 PHASE, TYPE ED2, ED FRAME
    ✓ IN STOCK!
    $1,971.00 Buy Surplus As Low As $240.48
    $240.48
    Repair Yours $300.00
    SIEMENS 5SX2116-8

    SIEMENS

    5SX2116-8

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 1 POLE, 480 VAC, 16 AMP, D TRIP CURVE, HIGH INRUSH, (5SX21-D16)
    ✓ IN STOCK!
    Buy Surplus As Low As $8.09
    $8.09
    SIEMENS BQDHBD

    SIEMENS

    BQDHBD

    BREAKER BQD/CQD/NGG HDL BLOCK DEVICEBREA, BQD BREAKERS, MOLDED CASE CIRCUIT BREAKERS , BQDHBD , BQDHBD
    ✓ IN STOCK!
    $22.96 Buy Surplus As Low As $12.12
    $12.12
    Repair Yours $300.00
    SIEMENS BQ3B050

    SIEMENS

    ITE SIEMENS

    BQ3B050

    CIRCUIT BREAKER, BQ, 3POLE, 240V, 50AMP, 10K
    ✓ IN STOCK!
    $368.47 Buy Surplus As Low As $221.08
    $221.08
    Repair Yours $300.00
    SIEMENS BQ2B050

    SIEMENS

    ITE SIEMENS

    BQ2B050

    CIRCUIT BREAKER, 50AMP, 2POLE, 120/240V, 10K, BQ
    ✓ IN STOCK!
    $56.32 Buy Surplus As Low As $30.71
    $30.71
    Repair Yours $300.00
    WESTINGHOUSE EHD3060L

    WESTINGHOUSE

    EHD3060L

    DISCONTINUED BY MANUFACTURER, MOLDED CASE CIRCUIT BREAKER, F-FRAME, EHD, COMPLETE BREAKER, FIXED THERMAL, FIXED MAGNETIC TRIP TYPE, THREE-POLE, 60A, 18 KAIC AT 240 VAC, 14 KAIC AT 480 VAC, L ...
    ✓ IN STOCK!
    Buy Surplus As Low As $262.08
    $262.08
    SIEMENS BF120

    SIEMENS

    ITE SIEMENS

    BF120

    CIRCUIT BREAKER, 20AMP, 1POLE, 120VAC, W/GROUND FAULT
    ✓ IN STOCK!
    $359.18 Buy Surplus As Low As $126.59
    $126.59
    Repair Yours $300.00
    SIEMENS 5SX2330-7

    SIEMENS

    5SX2330-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 3 POLE, 480 VAC, 30 AMP, C TRIP CURVE, STANDARD, (5SX23-C30)
    ✓ IN STOCK!
    Buy Surplus As Low As $40.43
    $40.43
    SIEMENS 5SX2320-7

    SIEMENS

    5SX2320-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 3 POLE, 480 VAC, 20 AMP, C TRIP CURVE, STANDARD, (5SX23-C20)
    ✓ IN STOCK!
    Buy Surplus As Low As $35.00
    $35.00
    SIEMENS 5SX2240-7

    SIEMENS

    5SX2240-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 2 POLE, 480 VAC, 40 AMP, C TRIP CURVE, STANDARD, (5SX22-C40)
    ✓ IN STOCK!
    Buy Surplus As Low As $10.00
    $10.00
    SIEMENS HED43B020

    SIEMENS

    ITE SIEMENS

    HED43B020

    THERMAL MAGNETIC. 3 POLE. 480 VAC. 20 AMPERE AT 40 DEG C. INTERRUPTING RATING 100 KILOAMPERE AT 240 VAC 42 KILOAMPERE AT 480 VAC (UL). LUG LOAD TERMINAL TERMINAL. WIRE SIZE 12 TO 10 AWG (ALU ...
    ✓ IN STOCK!
    $873.25 Buy Surplus As Low As $408.04
    $408.04
    Repair Yours $300.00
    SCHNEIDER ELECTRIC GV4AU286

    SCHNEIDER ELECTRIC

    SQUARE D

    GV4AU286

    UNDERVOLTAGE RELEASE, 277VAC, 60HZ, INTERNAL MOUNTING, FOR TESYS GV4
    ✓ IN STOCK!
    $224.00 Buy Surplus As Low As $135.00
    $135.00
    F&G L8-10/3/C

    F&G

    L8-10/3/C

    F&G CIRCUIT BREAKER, 5KA, 277/480V, C10, 3POLE
    ✓ IN STOCK!
    $96.48 Buy Surplus As Low As $33.22
    $33.22
    GENERAL ELECTRIC 190B1704G1

    GENERAL ELECTRIC

    190B1704G1

    BREAKER, MOLDED CASE, HANDLE OPERATOR, VERTICAL, SIZE 1-4, SE/SF TYPE
    ✓ IN STOCK!
    $772.54 Buy Surplus As Low As $463.17
    $463.17
    Repair Yours $290.00
    SCHNEIDER ELECTRIC A9F55125

    SCHNEIDER ELECTRIC

    A9F55125

    CIRCUIT BREAKER, THERMAL MAGNETIC, 1POLE; PRODUCT RANGE:IC60H SERIES; CURRENT RATING:25A; NO. OF POLES:1 POLE; VOLTAGE RATING V DC:72VDC; VOLTAGE RATING VAC:240VAC; CIRCUIT BREAKER MOUNTING: ...
    ✓ IN STOCK!
    $54.00 Buy Surplus As Low As $33.41
    $33.41
    Repair Yours $300.00
    SCHNEIDER ELECTRIC 24296

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    24296

    CIRCUIT BREAKER 10AMP 4POLE 440V C-CURVE
    ✓ IN STOCK!
    $223.00 Buy Surplus As Low As $112.00
    $112.00
    SIEMENS 5SY32067

    SIEMENS

    5SY32067

    DISCONTINUED BY MANUFACTURER SINCE 10.01.2017, CIRCUIT BREAKER, 400 V, 4.5 KA, 2-POLE, C, 6A
    ✓ IN STOCK!
    Buy Surplus As Low As $80.00
    $80.00
    SCHNEIDER ELECTRIC 29124

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    29124

    DISCONTINUED BY MANUFACTURER 02/09/2023, TRIP UNIT, 3 POLE, 6.3 AMP, 50/60 HZ, IP40, REPLACED BY C103MA007
    ✓ IN STOCK!
    Buy Surplus As Low As $418.00
    $418.00
    SCHNEIDER ELECTRIC 21333

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    21333

    CIRCUIT BREAKER 5AMP C45N 8KA 2POLE 415VAC
    ✓ IN STOCK!
    $64.00 Buy Surplus As Low As $39.00
    $39.00
    SCHNEIDER ELECTRIC 26860

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    26860

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 20 AMP, 1P+N, 240 VAC, C-CURVE, REPLACEMENT: A9D11820
    ✓ IN STOCK!
    Buy Surplus As Low As $30.00
    $30.00
    SCHNEIDER ELECTRIC 24331

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    24331

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 1AMP, 2POLE, MULTI 9, MINIATURE
    ✓ IN STOCK!
    Buy Surplus As Low As $360.00
    $360.00
    EATON CORPORATION PLSM-B50-DW

    EATON CORPORATION

    KLOCKNER MOELLER

    PLSM-B50-DW

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 50AMP, 230-400VAC, 10KA
    ✓ IN STOCK!
    Buy Surplus As Low As $18.00
    $18.00
    EATON CORPORATION ZM9-250-CNA

    EATON CORPORATION

    MOELLER ELECTRIC

    ZM9-250-CNA

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 3 POLE, W/ THERMAL TRIP: 200-250 AMP, INSTANTANEOUS TRIP RANGE : 1600-2400 AMP, LOAD SIDE LUG TERMINALS
    ✓ IN STOCK!
    Buy Surplus As Low As $309.65
    $309.65
    Repair Yours $300.00
    ASEA BROWN BOVERI S203PR-K15

    ASEA BROWN BOVERI

    S203PR-K15

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 10 KA INTERRUPTING RATING, 15 AMP RATED, 400 RATED OPER VOLTAGE, 3 POLE, 50/60 HZ, RING-TONGUE TERMINAL W/CAPTIVE SCREW, IP20 ENCL W/ ...
    ✓ IN STOCK!
    Buy Surplus As Low As $49.00
    $49.00
    SIEMENS 5SN1-332

    SIEMENS

    ITE SIEMENS

    5SN1-332

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 32AMP, 1POLE, G-CURVE, DIN-RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $33.93
    $33.93
    EATON CORPORATION PN1-4-63

    EATON CORPORATION

    MOELLER ELECTRIC

    PN1-4-63

    SWITCH-DISCONNECTOR 4P 63A ROHS COMPLIANT: NA
    ✓ IN STOCK!
    $490.00 Buy Surplus As Low As $373.00
    $373.00
    EATON CORPORATION PLHT-C125/4

    EATON CORPORATION

    MOELLER ELECTRIC

    PLHT-C125/4

    CIRCUIT BREAKER, MINIATURE, PLHT SERIES, 125 AMP, 4 POLE, 400 VAC, 15 KA, C CURVE, SCREW TERMINAL, DIN RAIL MOUNT, IP40, 248093
    ✓ IN STOCK!
    $382.00 Buy Surplus As Low As $253.00
    $253.00
    WESTINGHOUSE LA3600SNW

    WESTINGHOUSE

    LA3600SNW

    CIRCUIT BREAKER, MOLDED CASE, 600AMP CONTINUOUS, 3-POLE, 600VAC, NON AUTOMATIC SWITCH, 24VDC UNDERVOLTAGE RELAY, 2A2B AUXILIARY SWITCH, SAF-T-VUE
    ✓ IN STOCK!
    Buy Surplus As Low As $250.18
    $250.18
    Repair Yours $300.00
    ASEA BROWN BOVERI S203M-D16

    ASEA BROWN BOVERI

    ABB ROBOTICS

    S203M-D16

    (PRICE/EA) CIRCUIT BREAKER, THERMAL MAG, 3 POLE; PRODUCT RANGE:SYSTEM PRO M COMPACT S200 SERIES; CURRENT RATING:16A; NO. OF POLES:3 POLE; VOLTAGE RATING V DC:-; VOLTAGE RATING VAC:400VAC; CI ...
    ✓ IN STOCK!
    $230.00 Buy Surplus As Low As $175.00
    $175.00
    ASEA BROWN BOVERI S203M-D10

    ASEA BROWN BOVERI

    ABB ROBOTICS

    S203M-D10

    (PRICE/EA) CIRCUIT BREAKER, THERMAL MAG, 3 POLE; PRODUCT RANGE:SYSTEM PRO M COMPACT S200 SERIES; CURRENT RATING:10A; NO. OF POLES:3 POLE; VOLTAGE RATING V DC:-; VOLTAGE RATING VAC:400VAC; CI ...
    ✓ IN STOCK!
    $230.00 Buy Surplus As Low As $175.00
    $175.00
    ASEA BROWN BOVERI PS1-3-1-65

    ASEA BROWN BOVERI

    ABB ROBOTICS

    PS1-3-1-65

    (PRICE/EA) BUSBAR, 3-PHASE, 65A, MOTOR STARTER; PRODUCT RANGE:-; ACCESSORY TYPE:BUSBAR ; FOR USE WITH:ABB MS116, MS132 MANUAL MOTOR STARTERS ROHS COMPLIANT: YES , PS1-3-1-65
    ✓ IN STOCK!
    $50.00 Buy Surplus As Low As $33.00
    $33.00
    ASEA BROWN BOVERI S272-C20

    ASEA BROWN BOVERI

    S272-C20

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 2-POLE, 20 AMP, 400 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $40.00
    $40.00
    ALTECH CORP 3C2.5UM

    ALTECH CORP

    3C2.5UM

    3C2.5UM, 2.5A, CIRCUIT BREAKER, C CHAR,3POLE,480Y/277VAC,UL508
    ✓ IN STOCK!
    $92.00 Buy Surplus As Low As $61.00
    $61.00
    RITTAL 9676.621

    RITTAL

    9676.621

    LONGITUDINAL CONNECTOR, FOR CONNECTING FLAT-PLS BUSBAR SYSTEMS, NO DRILLING REQUIRED, E-CU, SV9676.621
    ✓ IN STOCK!
    $188.00 Buy New $188.00
    $143.00
    ETA ENGINEERING TECHNOLOGY 91H2202

    ETA ENGINEERING TECHNOLOGY

    E-T-A CIRCUIT BREAKERS

    91H2202

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 2AMP, 2POLE, 480VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $79.17
    $79.17
    SIEMENS 3RV2021-4EA25

    SIEMENS

    3RV2021-4EA25

    CIRCUIT BREAKER, SIZE S0, FOR MOTOR PROTECTION, 400 A, 50/60 HZ
    ✓ IN STOCK!
    $486.00 Buy Surplus As Low As $370.00
    $370.00
    Repair Yours $300.00
    EATON CORPORATION WMZS2B16

    EATON CORPORATION

    CUTLER HAMMER

    WMZS2B16

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 16 AMP, 2 POLE, 480 V
    ✓ IN STOCK!
    Buy Surplus As Low As $158.17
    $158.17
    GENERAL ELECTRIC THHQC2130

    GENERAL ELECTRIC

    THHQC2130

    CIRCUIT BREAKER, 30AMP, 2POLE, 120/240VAC, 22K , THHQC2130
    ✓ IN STOCK!
    $470.00 Buy Surplus As Low As $117.00
    $117.00
    Repair Yours $300.00
    ALLEN BRADLEY 1492-MCBA2H80

    ALLEN BRADLEY

    1492-MCBA2H80

    MINIATURE CIRCUIT BREAKER,CIRCUIT BREAKER - 1" WIDE PER POLE, DIN RAIL MOUNTING, 10 KA, STANDARD TERMINAL, NONE,2-POLE (240V AC),80 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $160.43
    $160.43
    FUJI ELECTRIC BU-ECA-3040

    FUJI ELECTRIC

    BU-ECA-3040

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 40AMP, 3POLE, 240VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $58.66
    $58.66
    Repair Yours $300.00
    EATON CORPORATION AM12-MG6

    EATON CORPORATION

    HEINEMANN

    AM12-MG6

    CIRCUIT BREAKER, 7.5AMP, 250VAC, 50/60HZ
    ✓ IN STOCK!
    $26.64 Buy Surplus As Low As $10.38
    $10.38
    EATON CORPORATION FI3020L

    EATON CORPORATION

    CUTLER HAMMER

    FI3020L

    (PRICE/EA) FI UNIVERSAL BKR 3P 14KA 20A WITH LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    $480.00 Buy Surplus As Low As $220.00
    $220.00
    Repair Yours $300.00
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