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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.

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    Results 801-850 of 859.
    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
    ALLEN BRADLEY 140MT-C3E-B25

    ALLEN BRADLEY

    140MT-C3E-B25

    MOTOR PROTECTION CIRCUIT BREAKER, C FRAME, 1.6-2.5 AMP, TRIP CLASS 10, STANDARD BREAKING CAPACITY, STD MGNTC TRP (FXD AT 14 X LE), REPLACEMENT FOR 140M-C2E-B25
    ✓ IN STOCK!
    Buy Surplus As Low As $198.00
    $198.00
    ALLEN BRADLEY 140MT-C3E-C10

    ALLEN BRADLEY

    140MT-C3E-C10

    MOTOR PROTECTION CIRCUIT BREAKER, C FRAME, 6.3-10 AMP, TRIP CLASS 10, STANDARD BREAKING CAPACITY, STANDARD MAGNETIC TRIP (FIXED AT 14 X LE)
    ✓ IN STOCK!
    Buy Surplus As Low As $211.00
    $211.00
    ALLEN BRADLEY 140MT-C3E-B63

    ALLEN BRADLEY

    140MT-C3E-B63

    MOTOR PROTECTION CIRCUIT BREAKER, C FRAME, 4 - 6.3 AMP, TRIP CLASS 10, STANDARD BREAKING CAPACITY, STANDARD MAGNETIC TRP (FXD AT 14 X LE)
    ✓ IN STOCK!
    Buy Surplus As Low As $188.00
    $188.00
    EATON CORPORATION FS320015A

    EATON CORPORATION

    CUTLER HAMMER

    FS320015A

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, TYPE FS, 3P, 3PH, 15A, 240V, 40C, 22KA@240V
    ✓ IN STOCK!
    Buy Surplus As Low As $173.42
    $173.42
    Repair Yours Contact Us
    CBI QL18KM15

    CBI

    QL18KM15

    CIRCUIT BREAKER, 1 POLE, 15 AMP, CURVE KM EQUIVALENT TO CURVE C, DIN RAIL MOUNT, UL489 LISTED
    ✓ IN STOCK!
    $33.05 Buy Surplus As Low As $25.12
    $25.12
    Repair Yours Contact Us
    ASEA BROWN BOVERI S202-C10

    ASEA BROWN BOVERI

    S202-C10

    CIRCUIT BREAKER, 2 POLE, 10 AMP, 230/440 VAC, 50/60 HZ, 4 KV, C-CURVE, SCREW TYPE TERMINAL, DIN RAIL MOUNTABLE, (2CDS252001R0104)
    ✓ IN STOCK!
    $107.00 Buy Surplus As Low As $45.05
    $45.05
    SCHNEIDER ELECTRIC BGL16040

    SCHNEIDER ELECTRIC

    SQUARE D

    BGL16040

    MOLDED CASE CIRCUIT BREAKER, 347V 35A , BGL16040
    ✓ IN STOCK!
    $385.28 Buy Surplus As Low As $231.17
    $231.17
    Repair Yours Contact Us
    ALLEN BRADLEY 1492-ACB

    ALLEN BRADLEY

    1492-ACB

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 1POLE, 6AMP, 277VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $29.99
    $29.99
    CBI QL-2-13-DM-KM-10

    CBI

    QL-2-13-DM-KM-10

    AC MINIATURE CIRCUIT BREAKER, QL SERIES, 10 AMP, 2 POLE, 240 VAC, 13MM WIDTH, DUAL MOUNT, WHITE HANDLE
    ✓ IN STOCK!
    $60.23 Buy Surplus As Low As $36.14
    $36.14
    Repair Yours Contact Us
    CBI QY-1-13-DM-U2-20A-B0

    CBI

    QY-1-13-DM-U2-20A-B0

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 20AMP, 80VDC, 10KA, 1 POLE
    ✓ IN STOCK!
    Buy Surplus As Low As $15.00
    $15.00
    RADWELL VERIFIED SUBSTITUTE TCAL124-SUB

    RADWELL VERIFIED SUBSTITUTE

    TCAL124-SUB

    SUBSTITUTE FOR GENERAL ELECTRIC TCAL124, LUG TERMINAL KIT, 3 BARREL, 300-750 MCM, COPPER-ALUMINUM LUGS, FIELD INSTALLABLE, SUITABLE FOR USE WITH SK1200 FRAME MOLDED CASE CIRCUIT BREAKERS
    ✓ IN STOCK!
    $120.00 Buy New $120.00
    ALLEN BRADLEY 140MT-C3E-B16

    ALLEN BRADLEY

    140MT-C3E-B16

    CIRCUIT BREAKER, MOTOR PROTECTION, 1-1.6 ADJUSTABLE AMP RANGE, 3 POLE, FRAME C SIZE, NORMAL BREAKING CAPACITY, TRIP CLASS 10
    ✓ IN STOCK!
    Buy Surplus As Low As $161.27
    $161.27
    EATON CORPORATION QBGFT2020

    EATON CORPORATION

    CUTLER HAMMER

    QBGFT2020

    GROUND FAULT CIRCUIT BREAKER, 2P, 20A, 10KA, BOLT-ON GROUND FAULT, W/PCB SELF TEST
    ✓ IN STOCK!
    $350.48 Buy Surplus As Low As $210.29
    $210.29
    Repair Yours Contact Us
    SIEMENS 5SY6104-7

    SIEMENS

    ITE SIEMENS

    5SY6104-7

    CIRCUIT BREAKER, MINIATURE, 4 AMP, 1 POLE, 230/400 VAC, 6 KA, C-CURVE, DIN-RAIL MOUNT, IP20 , 5SY6104-7
    ✓ IN STOCK!
    $63.95 Buy Surplus As Low As $35.00
    $35.00
    SIEMENS 5SY4163-8

    SIEMENS

    5SY4163-8

    SUP PTOR 5SY4 1P 240V 63A 7.5K D-TRIP, UL1077 D CURVE, CONTROL CIRCUIT COMPONENTS , 5SY4163-8 , 5SY4163-8
    ✓ IN STOCK!
    $100.00 Buy Surplus As Low As $76.00
    $76.00
    Repair Yours Contact Us
    SIEMENS 5SJ4210-7HG41

    SIEMENS

    5SJ4210-7HG41

    CIRCUIT BREAKER, MINIATURE, C CURVE, 10AMP, 2 POLE, 240V, 14KA, D=70 MM ACCORDING TO UL 489
    ✓ IN STOCK!
    $248.75 Buy Surplus As Low As $34.16
    $34.16
    Repair Yours Contact Us
    ALLEN BRADLEY 1489-A3D100

    ALLEN BRADLEY

    1489-A3D100

    DISCONTINUED BY MANUFACTURER 2014-04-29, CIRCUIT BREAKER, 10AMP, 3POLE, 480Y/277V, TRIP D-CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As $107.91
    $107.91
    ALLEN BRADLEY 1489-A3D060

    ALLEN BRADLEY

    1489-A3D060

    DISCONTINUED BY MANUFACTURER 2014-04-29, CIRCUIT BREAKER, 6AMP, 3POLE, 480Y/277V, D-TRIP CURVE, UL489, MINIATURE
    ✓ IN STOCK!
    Buy Surplus As Low As $23.09
    $23.09
    ALLEN BRADLEY 1489-A1D010

    ALLEN BRADLEY

    1489-A1D010

    DISCONTINUED BY MANUFACTURER 2014-04-29, CIRCUIT BREAKER, 1 AMP, 1 POLE, 277 VAC, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $26.74
    $26.74
    ALLEN BRADLEY 1489-A1C100

    ALLEN BRADLEY

    1489-A1C100

    DISCONTINUED BY MANUFACTURER 04/30/2014, CIRCUIT BREAKER, MINIATURE, SINGLE POLE, 10 AMPS, C-CURVE, 277 VAC, 48 VDC, 240/415 VAC, 50/60 HZ, DIN RAIL MOUNT, (AB-5321)
    ✓ IN STOCK!
    Buy Surplus As Low As $48.36
    $48.36
    ALLEN BRADLEY 1489-A1C030

    ALLEN BRADLEY

    1489-A1C030

    DISCONTINUED BY MANUFACTURER, 2014-04-29, CIRCUIT BREAKER, THERMAL-MAGNETIC, C-CURVE, 3AMP, 1POLE, 277AC, 48VDC, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $85.87
    $85.87
    EATON CORPORATION A1X1PK

    EATON CORPORATION

    CUTLER HAMMER

    A1X1PK

    MOLDED CASE CIRCUIT BREAKER ACCESSORY AUXILIARY SWITCH, F-FRAMEC, CKT BREAKER, PIGTAIL LEADS, AUXILIARY SWITCH, C SERIES
    ✓ IN STOCK!
    $559.65 Buy Surplus As Low As $134.92
    $134.92
    EATON CORPORATION EHD3060

    EATON CORPORATION

    CUTLER HAMMER

    EHD3060

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 480 VAC, 250 VDC, 3-POLE, 60 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    $537.57 Buy Surplus As Low As $322.54
    $322.54
    Repair Yours Contact Us
    EATON CORPORATION BAB3030H

    EATON CORPORATION

    CUTLER HAMMER

    BAB3030H

    CIRCUIT BREAKER, THERMAL MAGNETIC, TYPE BAB, 30 AMP, 3 POLE, 3 PHASE, 240 V, BOLT ON MOUNTING
    ✓ IN STOCK!
    $572.30 Buy Surplus As Low As $202.63
    $202.63
    Repair Yours Contact Us
    ALLEN BRADLEY 141A-GS54RR25

    ALLEN BRADLEY

    141A-GS54RR25

    BUSBAR MODULE, 32 AMP, 3 PHASE, 690 V, 6 KV, 600 VAC, WITH WIRES, FOR USE WITH 5 MM OR 10 MM THICK BUSBARS
    ✓ IN STOCK!
    Buy Surplus As Low As $32.00
    $32.00
    ALLEN BRADLEY 141A-WS54RR

    ALLEN BRADLEY

    141A-WS54RR

    AUXILIARY CONTACT BLOCK, MCS MOUNTING SYSTEM ADAPTER MODULES, MCS MOUNTING MODULE, 54MM X 200MM, 2 MCS SPECIFIC TOP HAT RAIL
    ✓ IN STOCK!
    Buy Surplus As Low As $8.63
    $8.63
    ALLEN BRADLEY 1492-SP1C080

    ALLEN BRADLEY

    1492-SP1C080

    DISCONTINUED BY MANUFACTURER 04/29/2014, MINIATURE CIRCUIT BREAKER, SUPPLEMENTARY PROTECTOR, 1 POLE, 8 A, C CURVE, 277 VAC MAX US, 240 VAC MAX IEC, REPLACEMENT: 1492-SPM1C080
    ✓ IN STOCK!
    Buy Surplus As Low As $65.19
    $65.19
    ALLEN BRADLEY 1492-SP1C060

    ALLEN BRADLEY

    1492-SP1C060

    DISCONTINUED BY MANUFACTURER 2014-04-29, CIRCUIT BREAKER, MINIATURE, 6 AMP, 1 POLE, 240/415 VAC, C-TYPE, 10 KA
    ✓ IN STOCK!
    Buy Surplus As Low As $26.63
    $26.63
    ALLEN BRADLEY 1492-SP1C005

    ALLEN BRADLEY

    1492-SP1C005

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 0.5A, 1POLE, 240 / 415VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $35.08
    $35.08
    ALLEN BRADLEY 1492-SP1B020

    ALLEN BRADLEY

    1492-SP1B020

    DISCONTINUED BY MANUFACTURER 2014-04-29, CIRCUIT BREAKER, 2AMP, 1POLE, 240/415VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $25.20
    $25.20
    ALLEN BRADLEY 1492-MCAA210

    ALLEN BRADLEY

    1492-MCAA210

    MINIATURE CIRCUIT BREAKER, DIN RAIL MOUNTING, 10 KA, STANDARD TERMINAL, 120/240 VAC, 2 POLE
    ✓ IN STOCK!
    Buy Surplus As Low As $106.12
    $106.12
    SIEMENS B235H

    SIEMENS

    B235H

    BREAKER 35A 2P 120/240V 22K BLH, BL BREAKERS 22K, MOLDED CASE CIRCUIT BREAKERS , B235H , B235H
    ✓ IN STOCK!
    $94.47 Buy Surplus As Low As $56.68
    $56.68
    Repair Yours Contact Us
    SIEMENS B130H

    SIEMENS

    B130H

    CIRCUIT BREAKER, BL SERIES, TYPE BLH, THERMAL MAGNETIC, HIGH INTERRUPTING CAPACITY, 1 POLE, 1 PHASE, 30 AMP, 240 VAC
    ✓ IN STOCK!
    $31.76 Buy Surplus As Low As $18.24
    $18.24
    Repair Yours Contact Us
    SIEMENS B12000S01

    SIEMENS

    B12000S01

    BREAKER 20A 1P 120V 10K BL 120V SHUNT, BREAKER 20A 1P 120V 10K BL 120V SHUNT 10 KAIC, W/120V S.T., FACTORY INSTALLED
    ✓ IN STOCK!
    $118.19 Buy Surplus As Low As $59.00
    $59.00
    Repair Yours Contact Us
    GENERAL ELECTRIC THQB32060

    GENERAL ELECTRIC

    THQB32060

    CIRCUIT BREAKER, 60 AMP, 3 POLE, 240 VAC, BOLT-ON
    ✓ IN STOCK!
    $114.67 Buy Surplus As Low As $60.26
    $60.26
    EATON CORPORATION BR320

    EATON CORPORATION

    CUTLER HAMMER

    BR320

    CIRCUIT BREAKER, TYPE BR, 3 POLE, 3 PHASE, 20A, 240V, 10KAIC, STANDARD INTERRUPT, 40 DEG C, PLUG IN, LI TRIP, THERMAL MAGNETIC
    ✓ IN STOCK!
    $77.34 Buy Surplus As Low As $46.40
    $46.40
    EATON CORPORATION CHB360

    EATON CORPORATION

    CUTLER HAMMER

    CHB360

    CIRCUIT BREAKER, 60AMP, 3POLE, 240VAC, BOLT-ON
    ✓ IN STOCK!
    $707.85 Buy Surplus As Low As $424.71
    $424.71
    Repair Yours Contact Us
    EATON CORPORATION CHB330

    EATON CORPORATION

    CUTLER HAMMER

    CHB330

    CIRCUIT BREAKER, 30AMP, 3POLE, 240VAC, BOLT-ON
    ✓ IN STOCK!
    $508.23 Buy Surplus As Low As $304.94
    $304.94
    Repair Yours Contact Us
    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
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