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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 859.
    GENERAL ELECTRIC THQL1120

    GENERAL ELECTRIC

    THQL1120

    CIRCUIT BREAKER, Q-LINE, 1 POLE, 1 PHASE, 20A, 120V, 10KAIC @ 120V, PLUG-IN, LI TRIP, THERMAL MAGNETIC
    ✓ IN STOCK!
    $10.07 Buy Surplus As Low As $4.98
    $4.98
    FEDERAL PACIFIC ELECTRIC NA220

    FEDERAL PACIFIC ELECTRIC

    NA220

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 20AMP, 2POLE, 120/240VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $37.91
    $37.91
    EATON CORPORATION N110

    EATON CORPORATION

    CUTLER HAMMER

    N110

    NEUTRAL KIT, STANDARD DESIGN, TYPE TAP, RATED FOR FOR 30A-100A, 600V MAXIMUM, SUITABLE FOR USE WITH BPFB BREAKER TYPE BUS PLUGS
    ✓ IN STOCK!
    $405.72 Buy Surplus As Low As $243.43
    $243.43
    EATON CORPORATION MCP13300R

    EATON CORPORATION

    CUTLER HAMMER

    MCP13300R

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOLDED CASE, 30 AMP, 3 POLE, 600 VAC, TRIP SET, 100-300 AMP RANGE, SCREW TERMINAL, PANEL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $254.76
    $254.76
    Repair Yours Contact Us
    EATON CORPORATION CHB120

    EATON CORPORATION

    CUTLER HAMMER

    CHB120

    EATON CH THERMAL MAGNETIC CIRCUIT BREAKER,GROUND FAULT CIRCUIT BREAKER,5 MA GROUND FAULT,20 A,10 KAIC,SINGLE\-POLE,120/240 V,\#14\-8 AWG,CHB,CH LOADCENTERS ## ATTRIBUTES |-----------|----- ...
    ✓ IN STOCK!
    $87.16 Buy Surplus As Low As $45.21
    $45.21
    Repair Yours Contact Us
    SCHNEIDER ELECTRIC HLW1BL-EACH

    SCHNEIDER ELECTRIC

    SQUARE D

    HLW1BL-EACH

    *** PRICE / SINGLE, BLANK EXTENSION PLATE, WIDE SIDE, 1.5 INCH SPACE, BLACK, FOR I-LINE PANELBOARDS
    ✓ IN STOCK!
    $55.46 Buy Surplus As Low As $33.28
    $33.28
    FUJI ELECTRIC BW125JAGU-2P100

    FUJI ELECTRIC

    BW125JAGU-2P100

    CIRCUIT BREAKER, THERMAL MAGNETIC, 2POLE, 100A, 690VAC/250VDC
    ✓ IN STOCK!
    $591.55 Buy New $591.55
    $354.93
    ASEA BROWN BOVERI LNA-32

    ASEA BROWN BOVERI

    LNA-32

    DISCONTINUED BY MANUFACTURER, LIMITOR BREAKER, SACE SERIES, 32 AMP, 690V
    ✓ IN STOCK!
    Buy Surplus As Low As $151.00
    $151.00
    Repair Yours Contact Us
    SCHNEIDER ELECTRIC MG24524

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG24524

    DISCONTINUED BY MANUFACTURER, SUPPLEMENTARY PROTECTOR, 480Y/277 V, 16-AMP, 2-POLE
    ✓ IN STOCK!
    Buy Surplus As Low As $94.40
    $94.40
    Repair Yours Contact Us
    SCHNEIDER ELECTRIC LR12188

    SCHNEIDER ELECTRIC

    FEDERAL PIONEER

    LR12188

    DISCONTINUED BY MANUFACTURE,, CIRCUIT BREAKER 20AMP 3POLE STAB-LOK
    ✓ IN STOCK!
    Buy Surplus As Low As $78.22
    $78.22
    SCHNEIDER ELECTRIC GV2P16

    SCHNEIDER ELECTRIC

    TELEMECANIQUE

    GV2P16

    MOTOR CIRCUIT BREAKER, TESYS GV2, 3 POLE, 9-14 A, THERMAL MAGNETIC, SCREW CLAMP TERMINALS
    ✓ IN STOCK!
    $207.10 Buy Surplus As Low As $111.28
    $111.28
    SCHNEIDER ELECTRIC GV2P06

    SCHNEIDER ELECTRIC

    TELEMECANIQUE

    GV2P06

    MOTOR CIRCUIT BREAKER, THERMAL MAGNETIC, ROTARY HANDLE, 1-1.6 AMP, 3 POLE, 690 VAC, 50-60 HZ, 2.5 W, DIN RAIL MOUNT, PANEL MOUNT
    ✓ IN STOCK!
    $198.31 Buy Surplus As Low As $114.05
    $114.05
    SCHNEIDER ELECTRIC GV1-M21

    SCHNEIDER ELECTRIC

    TELEMECANIQUE

    GV1-M21

    DISCONTINUED BY MANUFACTURER , CIRCUIT BREAKER, GV SERIES, MOTOR PROTECTOR, 3 POLE, 220-600 VAC, 16-20 AMP, 50/60 HZ, 5.5-15 KW
    ✓ IN STOCK!
    Buy Surplus As Low As $146.37
    $146.37
    WOHNER 32412

    WOHNER

    32412

    BUSBAR ADAPTER, 45 AMP, 2 ADJUSTABLE MOUTING RAILS, SYSTEM: 60 CLASSIC, FOR BUSBARS 12/15/20/25/30X 5/10 AND SECTION BUSBARS , 32412
    ✓ IN STOCK!
    $154.00 Buy New $154.00
    $102.00
    ALLEN BRADLEY 1492-D1C010

    ALLEN BRADLEY

    1492-D1C010

    CIRCUIT BREAKER, MINIATURE, 1 AMP, 1 POLE, 250 VDC, TYPE C TRIP CURVE, IEC, OPEN STYLE, DIN RAIL MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $100.73
    $100.73
    ALLEN BRADLEY 2198-BARCON-55DCAC100

    ALLEN BRADLEY

    2198-BARCON-55DCAC100

    BUS BAR ,K5500, 50 MM, AKA: 140586 & PN-140586, *** 8 PIECES TO PACK ***
    ✓ IN STOCK!
    Buy Surplus As Low As $150.66
    $150.66
    WOHNER 01601

    WOHNER

    01601

    BUSBAR SUPPORT, 60 CLASSIC SERIES, 1 POLE, 690 VAC RATED VOLTAGE, 50/60 HZ, INDIVIDUALLY MOUNTABLE, 1000 V ISOLATION VOLTAGE, 6 KV SURGE VOLTAGE , 01601
    ✓ IN STOCK!
    $23.56 Buy New $23.56
    $11.36
    EATON CORPORATION FAZ-G6A-CNA

    EATON CORPORATION

    KLOCKNER MOELLER

    FAZ-G6A-CNA

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 6 AMP, 1 POLE, 240VAC/50AMP, 60VDC/50AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $11.90
    $11.90
    ALLEN BRADLEY 1489-M1C100

    ALLEN BRADLEY

    1489-M1C100

    MINIATURE CIRCUIT BREAKER, 1489-M SERIES, STANDARD CONFIGURATION, 480Y/277V AC MAX, 1-POLE, TRIP CURVE C, 10 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $65.00
    $65.00
    EATON CORPORATION DNBA2020

    EATON CORPORATION

    CUTLER HAMMER

    DNBA2020

    CIRCUIT BREAKER, DUPLEX, 2X SINGLE-POLE CIRCUITS, 20 / 20 AMP, 120/240 V, 10 KAIC
    ✓ IN STOCK!
    $79.06 Buy Surplus As Low As $49.80
    $49.80
    SIEMENS QPF120

    SIEMENS

    ITE SIEMENS

    QPF120

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 20AMP, 1POLE, 120VAC, 14-8AWG
    ✓ IN STOCK!
    Buy Surplus As Low As $13.59
    $13.59
    MECHANICAL PRODUCTS 252-001-150

    MECHANICAL PRODUCTS

    252-001-150

    CIRCUIT BREAKER, 15AMP, 1-POLE, 120VAC
    ✓ IN STOCK!
    $32.25 Buy Surplus As Low As $21.21
    $21.21
    ALLEN BRADLEY 20-750-PBUS

    ALLEN BRADLEY

    20-750-PBUS

    ADAPTER, COMMUNICATION, PROFIBUS DPV1, SINGLE NODE, INTERNAL MOUNT, PROVIDES ACYCLIC MESSAGING SUPPORT, MASTER-SLAVE HIERARCHYANDUSER-DEFINED FAULT ACTIONS, USE WITH POWERFLEX 750 SERIES
    ✓ IN STOCK!
    Buy Surplus As Low As $366.45
    $366.45
    Repair Yours Contact Us
    SIEMENS 3RV2021-1FA10

    SIEMENS

    3RV2021-1FA10

    CIRCUIT BREAKER, SIZE S0, FOR MOTOR PROTECTION, 3.5-5 AMP A-RELEASE, 65 AMP N-RELEASE, CLASS 10, SCREW TERMINAL, STANDARD SWITCHING CAPACITY
    ✓ IN STOCK!
    $270.97 Buy Surplus As Low As $162.58
    $162.58
    Repair Yours Contact Us
    SIEMENS 3RV2021-1AA10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV2021-1AA10

    CIRCUIT BREAKER, SIZE S0, FOR MOTOR PROTECTION, 3 POLE, 1.1 TO 1.6 AMP, 1.1 KW, 20-690 VAC, 50/60 HZ, CLASS 10, SCREW TYPE TERMINAL, DIN RAIL MOUNT, -50 TO +80 DEGREES C, IP20
    ✓ IN STOCK!
    $120.41 Buy Surplus As Low As $72.24
    $72.24
    ASEA BROWN BOVERI S202M-C4

    ASEA BROWN BOVERI

    S202M-C4

    MINIATURE CIRCUIT BREAKER, 2 POLE, C-CURVE, 4 AMP, 400 VAC, 50/60HZ, IP20/40
    ✓ IN STOCK!
    $81.00 Buy Surplus As Low As $33.00
    $33.00
    Repair Yours Contact Us
    WESTINGHOUSE BA1030

    WESTINGHOUSE

    BA1030

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 30AMP, 1POLE, 120/240VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $13.00
    $13.00
    SIEMENS 3RV2711-1CD10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV2711-1CD10

    CIRCUIT BREAKER, SIZE S00, FOR SYSTEM PROTECTION WITH APPROVAL CIRCUIT BREAKER UL 489, CSA C22.2, 2.5 A N-RELEASE 33 A SCREW TERMINAL STANDARD SWITCHING CAPACITY
    ✓ IN STOCK!
    $505.05 Buy Surplus As Low As $268.70
    $268.70
    Repair Yours Contact Us
    SIEMENS 3RV2011-1BA15

    SIEMENS

    3RV2011-1BA15

    CIRCUIT BREAKER, SIZE S00, FOR MOTOR PROTECTION, 26 AMP, 690 VAC, 1 NO/NC, SCREW TYPE TERMINAL, DIN RAIL MOUNT, -50 TO +80 DEGREE C, IP20, SUCCESSOR TO 3RV1021-1BA15
    ✓ IN STOCK!
    $294.00 Buy Surplus As Low As $143.32
    $143.32
    SIEMENS 3RV2021-4DA10

    SIEMENS

    3RV2021-4DA10

    CIRCUIT BREAKER, FOR MOTOR PROTECTION, CLASS 10, 18-25 AMP A-RELEASE, 325 AMP N-RELEASE, SIZE S0, SCREW TERMINAL, STANDARD SWITCHING CAPACITY, SUCCESSOR FOR 3RV1021-4DA10
    ✓ IN STOCK!
    $294.12 Buy Surplus As Low As $156.00
    $156.00
    ALLEN BRADLEY 1489-D1C020

    ALLEN BRADLEY

    1489-D1C020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 2 AMP, 1 POLE, 125 VDC, IOPEN STYLE, DIN RAIL MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $127.62
    $127.62
    SIEMENS 3RV2011-0DA10

    SIEMENS

    3RV2011-0DA10

    CIRCUIT BREAKER, SIZE S00, FOR MOTOR PROTECTION, 0.22-0.32 AMP A-RELEASE, 4.2 AMP N-RELEASE, CLASS 10, SCREW TERMINAL, STANDARD SWITCHING CAPACITY, DIN RAIL MOUNT
    ✓ IN STOCK!
    $218.25 Buy Surplus As Low As $130.95
    $130.95
    EATON CORPORATION TCP-2.0A

    EATON CORPORATION

    CUTLER HAMMER

    TCP-2.0A

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, THERMAL DEVICE, FUSED TERMINAL BLOCK, 2 AMP, 250 VAC, 72 VDC, 2 BLADE PINS, PLUG-IN
    ✓ IN STOCK!
    Buy Surplus As Low As $3.99
    $3.99
    SCHNEIDER ELECTRIC M9F22102

    SCHNEIDER ELECTRIC

    SQUARE D

    M9F22102

    MINIATURE CIRCUIT BREAKER, 240/415 VAC, 50/60 HZ, 2 AMP, MULTI 9, CURVE C, 1 POLE, TOGGLE CONTROL, ON/OFF INDICATION, SCREW TYPE TERMINATION, THERMAL MAGNETIC, REPLACES MG17413 , M9F22102
    ✓ IN STOCK!
    $103.00 Buy Surplus As Low As $55.48
    $55.48
    Repair Yours Contact Us
    SIEMENS QR22B200

    SIEMENS

    QR22B200

    MOLDED CASE CIRCUIT BREAKER, 2P, 200A, 240V, 10KA , QR22B200 , QR22B200
    ✓ IN STOCK!
    $365.70 Buy Surplus As Low As $241.36
    $241.36
    Repair Yours Contact Us
    ZINSCO QC20

    ZINSCO

    QC20

    CIRCUIT BREAKER, 2POLE, 20AMP, 120/240V COMMON TRIP
    ✓ IN STOCK!
    $74.33 Buy Surplus As Low As $46.73
    $46.73
    EATON CORPORATION MCP03150R

    EATON CORPORATION

    CUTLER HAMMER

    MCP03150R

    DISCONTINUED BY MANUFACTURER, MOTOR CIRCUIT PROTECTOR, 15AMP, 600VAC MAX, 3-POLE, 3-PHASE, 65KA@480VAC, ADJUSTABLE TRIP RANGE:50-150AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $179.00
    $179.00
    Repair Yours Contact Us
    RADWELL VERIFIED SUBSTITUTE TCLK65-SUB

    RADWELL VERIFIED SUBSTITUTE

    TCLK65-SUB

    SUBSTITUTE FOR GENERAL ELECTRIC TCLK65, SINGLE LUG, 2 BARREL, 8-500MCM, SUITABLE FOR USE WITH 150A, 400A & 600A SPECTRA MOLDED CASE CIRCUIT BREAKER FRAMES
    ✓ IN STOCK!
    $25.00 Buy New $25.00
    RADWELL VERIFIED SUBSTITUTE TA-350-SUB

    RADWELL VERIFIED SUBSTITUTE

    TA-350-SUB

    SUBSTITUTE FOR ILSCO TA350, ALUMINUM MECHANICAL LUG, CONDUCTOR RANGE 350-6, 1 PORT, 1 HOLE, 3/8IN BOLT SIZE, TIN PLATED
    ✓ IN STOCK!
    $9.26 Buy New $9.26
    RADWELL VERIFIED SUBSTITUTE TCAL121-SUB

    RADWELL VERIFIED SUBSTITUTE

    TCAL121-SUB

    SUBSTITUTE FOR GENERAL ELECTRIC TCAL121, LUG, MAX BREAKER CURRENT 1200A, 4 CONDUCTORS, CONDUCTOR SIZE 250 KCMIL TO 350 KCMIL (COPPER)/500 KCMIL (ALUMINUM), ALUMINUM/COPPER BODY, USED ON K120 ...
    ✓ IN STOCK!
    $70.00 Buy New $70.00
    SCHNEIDER ELECTRIC 60115

    SCHNEIDER ELECTRIC

    SQUARE D

    60115

    CIRCUIT BREAKER / MINIATURE, THERMAL MAGNETIC TRIP, 30 AMP, SINGLE POLE, 125-240 VAC, 60 VDC, DIN RAIL MOUNT, FIXED MOUNT, MULTIPLE BREAKING CAPACITY RATINGS, 73 D X 81 H X 18 W MM
    ✓ IN STOCK!
    $111.03 Buy Surplus As Low As $32.57
    $32.57
    SIEMENS 5SY6202-7

    SIEMENS

    5SY6202-7

    CIRCUIT BREAKER, MINIATURE, 2 AMP, 2 POLE, 400 V, 6 KA, C-CURVE, D=70 MM, DIN-RAIL MOUNT
    ✓ IN STOCK!
    $137.05 Buy Surplus As Low As $84.54
    $84.54
    Repair Yours Contact Us
    SIEMENS 3RV2011-1FA20

    SIEMENS

    3RV2011-1FA20

    CIRCUIT BREAKER, SIZE S00, FOR MOTOR PROTECTION, CLASS 10, 3.5-5 AMP A-RELEASE, 65 AMP N RELEASE, SPRING-TYPE TERMINAL, STANDARD SWITCHING CAPACITY
    ✓ IN STOCK!
    $116.67 Buy Surplus As Low As $77.00
    $77.00
    EATON CORPORATION WMZS1D10

    EATON CORPORATION

    CUTLER HAMMER

    WMZS1D10

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10AMP, WMZS SERIES, 1POLE, 277/480V, THERMAL/MAGNETIC, 18 TO 8 AWG,DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $68.34
    $68.34
    TE CONNECTIVITY W28-XQ1A-12

    TE CONNECTIVITY

    W28-XQ1A-12

    CIRCUIT BREAKER, THERMAL, 1P, 250V
    ✓ IN STOCK!
    $7.42 Buy Surplus As Low As $6.18
    $6.18
    Repair Yours Contact Us
    FUJI ELECTRIC BW125JAGU-3P125

    FUJI ELECTRIC

    BW125JAGU-3P125

    CIRCUIT BREAKER, 3POLE, 125AMP, 690VAC/250VDC
    ✓ IN STOCK!
    $736.09 Buy New $736.09
    $441.65
    Repair Yours Contact Us
    GENERAL ELECTRIC TEY315ST12

    GENERAL ELECTRIC

    TEY315ST12

    MOLDED CASE CIRCUIT BREAKER, 3P 15A W/120-277VAC SHUNT TRIP , TEY315ST12
    ✓ IN STOCK!
    $685.18 Buy Surplus As Low As $411.11
    $411.11
    Repair Yours Contact Us
    GENERAL ELECTRIC APP2

    GENERAL ELECTRIC

    APP2

    FULL WIDTH FILLER 2X 36IN BOX
    ✓ IN STOCK!
    $268.55 Buy Surplus As Low As $161.13
    $161.13
    Repair Yours Contact Us
    BRADY 65396

    BRADY

    65396

    NO HOLE CIRCUIT BREAKER LOCKOUT 277 V, NO HOLE CIRCUIT BREAKER LOCKOUT 277 V SAFETY AND SECURITY UNSPSC=46171511 UPC=754473 5
    ✓ IN STOCK!
    $21.34 Buy Surplus As Low As $12.81
    $12.81
    SPRECHER & SCHUH KT3-25-DB-45-3

    SPRECHER & SCHUH

    KT3-25-DB-45-3

    BUS BAR 45MM 65AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $33.00
    $33.00
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