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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 601-650 of 906.
    GTE QBHG15

    GTE

    SYLVANIA

    QBHG15

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 1 POLE, 15-AMP, GFI, 5MA SENSITIVITY
    ✓ IN STOCK!
    Buy Surplus As Low As $304.73
    $304.73
    Repair Yours $300.00
    SIEMENS CQD360

    SIEMENS

    ITE SIEMENS

    CQD360

    CIRCUIT BREAKER, 60 AMP, 3 POLE, 480/277 VAC, MOLDED CASE, LUG TERMINALS, DIN RAIL MOUNT
    ✓ IN STOCK!
    $479.27 Buy Surplus As Low As $287.56
    $287.56
    Repair Yours $300.00
    SIEMENS TA2K500

    SIEMENS

    TA2K500

    LUG TERMINAL KIT, SENTRON SERIES, SINGLE TERMINAL, 500-600A, 2 BARREL, 250-500 KCMIL WIRE, ALUMINUM METAL, FIELD INSTALLABLE, SUITABLE FOR USE HN SERIES/K-FRAME , TA2K500 , TA2K500
    ✓ IN STOCK!
    $178.61 Buy Surplus As Low As $106.00
    $106.00
    SIEMENS RHOSVD

    SIEMENS

    RHOSVD

    ROTARY HANDLE MECHANISM. ED/FD/JD/LD/LMD FRAME MOLDED CASE BREAKER. LENGTH 12 INCH. SPEEDFAX[T BRAND. RHO MODEL
    ✓ IN STOCK!
    $85.05 Buy Surplus As Low As $53.20
    $53.20
    SIEMENS RHOSSD

    SIEMENS

    FURNAS ELECTRIC CO

    RHOSSD

    ROTARY SHAFT, 2 INCH LENGTH, FOR ROTARY OPERATING MECHANISM, SUITS ED / FD / JD / LD / LMD FRAME BREAKERS , RHOSSD
    ✓ IN STOCK!
    $88.00 Buy Surplus As Low As $67.00
    $67.00
    SIEMENS FBS6572

    SIEMENS

    ITE SIEMENS

    FBS6572

    DISCONTINUED BY MANUFACTURER, BUSS BAR ADAPTER, W/ MOUNT PLATE
    ✓ IN STOCK!
    Buy Surplus As Low As $179.00
    $179.00
    SIEMENS FHOEC036

    SIEMENS

    FHOEC036

    BREAKER CABLE, ED MAX-FLEX, 36" CABLE WITH RETURN SPRING
    ✓ IN STOCK!
    $282.55 Buy Surplus As Low As $189.31
    $189.31
    Repair Yours $300.00
    SIEMENS Q370

    SIEMENS

    Q370

    MOLDED CASE CIRCUIT BREAKER, STANDARD INTERRUPTING CAPACITY, 3 POLE, 3 PHASE, 240 VAC, 70 AMP, PLUG-IN CONNECTION TYPE, LI- LONG-TIME & INSTANTANEOUS TRIP FUNCTIONS , Q370 , Q370
    ✓ IN STOCK!
    $89.75 Buy Surplus As Low As $53.85
    $53.85
    Repair Yours $300.00
    SIEMENS Q360

    SIEMENS

    ITE SIEMENS

    Q360

    CIRCUIT BREAKER, 60 AMP, 3 POLE, 240 VAC, COMMON-TRIP, 10 KA, TYPE QP, PLUG-IN, 10,000A IR, NON-INTERCHANGEABLE TRIP, SCREW TERMINAL
    ✓ IN STOCK!
    $83.80 Buy Surplus As Low As $42.69
    $42.69
    Repair Yours $300.00
    SIEMENS Q350

    SIEMENS

    ITE SIEMENS

    Q350

    CIRCUIT BREAKER, TYPE QP, 50AMP, 3POLE, 240V, 10KA, STANDARD INTERRUPTING CAPACITY, PLUG-IN, THERMAL MAGNETIC
    ✓ IN STOCK!
    $76.63 Buy Surplus As Low As $45.97
    $45.97
    Repair Yours $300.00
    SIEMENS Q230

    SIEMENS

    ITE SIEMENS

    Q230

    PLUG-IN BREAKER, TYPE Q R, 30 AMP, 2 POLE, 120/240V, 10K , Q230
    ✓ IN STOCK!
    $24.00 Buy Surplus As Low As $15.84
    $15.84
    SIEMENS Q22020

    SIEMENS

    ITE SIEMENS

    Q22020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 20 AMP, 4 POLE, 120/240 VAC, PLUG-ON
    ✓ IN STOCK!
    Buy Surplus As Low As $31.72
    $31.72
    SIEMENS Q220

    SIEMENS

    ITE SIEMENS

    Q220

    CIRCUIT BREAKER, TYPE QP, 20 AMP, 2 POLE, 120/240 VAC, 10KAIC
    ✓ IN STOCK!
    $22.08 Buy Surplus As Low As $12.54
    $12.54
    Repair Yours $300.00
    SIEMENS Q215

    SIEMENS

    ITE SIEMENS

    Q215

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, TYPE QP, POLES: 2, AMPS: 15, VOLTS:120/240, CONDUCTOR SIZE: 12-10 AWG (AL)/14-12 AWG (CU), INTERRUPTING RATING: 10 KAIC
    ✓ IN STOCK!
    $20.99 Buy Surplus As Low As $9.56
    $9.56
    Repair Yours $300.00
    SIEMENS P220

    SIEMENS

    ITE SIEMENS

    P220

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER , 20AMP, 2POLE, 120/240VAC , PUSHMATIC
    ✓ IN STOCK!
    Buy Surplus As Low As $89.28
    $89.28
    SIEMENS P215

    SIEMENS

    ITE SIEMENS

    P215

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, TYPE P, 2 POLE, 1 PHASE, 240 VAC, 15 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $26.00
    $26.00
    Repair Yours $300.00
    SIEMENS P2020

    SIEMENS

    ITE SIEMENS

    P2020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, PUSHMATIC, THERMAL MAGNETIC TRIP, 1 POLE-TWIN, 120 VAC, 20/20 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $51.02
    $51.02
    GENERAL ELECTRIC EP101ULC03

    GENERAL ELECTRIC

    EP101ULC03

    CIRCUIT BREAKER, MINIATURE, 3AMP, 1POLE, 120/240VAC
    ✓ IN STOCK!
    $225.00 Buy Surplus As Low As $25.20
    $25.20
    EEC AEG ME81S-C4

    EEC AEG

    ME81S-C4

    CIRCUIT BREAKER, 4AMP, 1POLE, C-TRIP, TYPE ELFA
    ✓ IN STOCK!
    $164.63 Buy Surplus As Low As $98.98
    $98.98
    EEC AEG ME81S-C3

    EEC AEG

    ME81S-C3

    CIRCUIT BREAKER, 240 VAC, 3AMP, 1P
    ✓ IN STOCK!
    $25.33 Buy Surplus As Low As $8.64
    $8.64
    EATON CORPORATION 1288C74G03

    EATON CORPORATION

    CUTLER HAMMER

    1288C74G03

    AUXILIARY SWITCH, CIRCUIT BREAKER ACCESSORY, FOR GMCP BREAKERS, FRAME J-K, 6 AMP, 240 V, 1A-1B CONTACT CONFIGURATION
    ✓ IN STOCK!
    $552.30 Buy Surplus As Low As $230.52
    $230.52
    SIEMENS 5SX5204-7

    SIEMENS

    5SX5204-7

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, T55 CURR. SENS, 2-POLE, C, 4A DC, 440V, 10KA, AC 400V, 4.5 KA, SUCCESSOR: 5SY5204-7
    ✓ IN STOCK!
    Buy Surplus As Low As $39.59
    $39.59
    SIEMENS 5SX5-105-7

    SIEMENS

    ITE SIEMENS

    5SX5-105-7

    CIRCUIT BREAKER 0.5AMP 1POLE 230/400VAC C-CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As $13.32
    $13.32
    SIEMENS FHOEBO

    SIEMENS

    ITE SIEMENS

    FHOEBO

    CIRCUIT BREAKER, ED MAX-FLEX BREAKER OPER
    ✓ IN STOCK!
    $277.60 Buy Surplus As Low As $210.97
    $210.97
    Repair Yours $300.00
    SIEMENS FBG36

    SIEMENS

    FBG36

    GND B-BAR & SUPT KIT, 135A, 36IN, CONTROLS - FB FASTBUS DEVICES , FBG36
    ✓ IN STOCK!
    $570.00 Buy Surplus As Low As $279.00
    $279.00
    SIEMENS 5SX2308-8

    SIEMENS

    5SX2308-8

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 3 POLE, 480 VAC, 8 AMP, D TRIP CURVE, HIGH INRUSH, (5SX23-D8)
    ✓ IN STOCK!
    Buy Surplus As Low As $36.75
    $36.75
    SIEMENS EQ8681

    SIEMENS

    ITE SIEMENS

    EQ8681

    CIRCUIT BREAKER, 100AMP, 2POLE, W/LUGS
    ✓ IN STOCK!
    $158.24 Buy Surplus As Low As $91.48
    $91.48
    SIEMENS 5SX2208-8

    SIEMENS

    5SX2208-8

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 2 POLE, 480 VAC, 8 AMP, D TRIP CURVE, HIGH INRUSH, (5SX22-D8)
    ✓ IN STOCK!
    Buy Surplus As Low As $11.00
    $11.00
    SIEMENS ED63A002

    SIEMENS

    ED63A002

    MOLDED CASE CIRCUIT BREAKER, LOW VOLTAGE SENTRON MCCB MAGNETIC TRIP ONLY, 3 POLE, 2 AMP, 600V, LUGS-ETI
    ✓ IN STOCK!
    $665.89 Buy Surplus As Low As $207.06
    $207.06
    Repair Yours $300.00
    SIEMENS ED62B020

    SIEMENS

    ITE SIEMENS

    ED62B020

    THERMAL MAGNETIC. 2 POLE. 600 VAC 250 VDC. 20 AMPERE AT 40 DEG C. INTERRUPTING RATING 65 KILOAMPERE AT 240 VAC 25 KILOAMPERE AT 480 VAC 18 KILOAMPERE AT 600 VAC 30 KILOAMPERE AT 250 VDC (UL)
    ✓ IN STOCK!
    $1,038.93 Buy Surplus As Low As $430.42
    $430.42
    Repair Yours $300.00
    SIEMENS 5SM36466KK01

    SIEMENS

    5SM36466KK01

    DISCONTINUED BY MANUFACTURER SINCE 31.12.2018, RESIDUAL CURRENT OPERATED CIRCUIT BREAKER, 4-POLE, TYPE A, SHORT-TIME DELAYED, IN: 63 A, 300 MA, UN AC: 400 V
    ✓ IN STOCK!
    Buy Surplus As Low As $312.00
    $312.00
    Repair Yours $300.00
    EATON CORPORATION AD32B

    EATON CORPORATION

    CUTLER HAMMER

    AD32B

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 32AMP, 1POLE, 240-415V, TYPEB
    ✓ IN STOCK!
    Buy Surplus As Low As $12.00
    $12.00
    SIEMENS FHVF4XB

    SIEMENS

    FHVF4XB

    DISCONNECT OPERATING MECHANISM, FLANGE HANDLE MOUNTING, VARIABLE DEPTH
    ✓ IN STOCK!
    $1,129.94 Buy Surplus As Low As $461.92
    $461.92
    SENSATA TECHNOLOGIES IMLK1-32176-2

    SENSATA TECHNOLOGIES

    AIRPAX

    IMLK1-32176-2

    CIRCUIT BREAKER 1AMP 65VAC
    ✓ IN STOCK!
    $38.70 Buy Surplus As Low As $13.53
    $13.53
    ASEA BROWN BOVERI GMB-15U

    ASEA BROWN BOVERI

    ENTRELEC

    GMB-15U

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 15AMP, 2POLE, 240VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $29.04
    $29.04
    SCHURTER AS168X-CB2G050

    SCHURTER

    AS168X-CB2G050

    CIRCUIT BREAKER, THERMAL MAG, 2P, 5A; VOLTAGE RATING VDC:65V; VOLTAGE RATING VAC:480V; CURRENT RATING:5A; NO. OF POLES:2; CIRCUIT BREAKER MOUNTING:DIN
    ✓ IN STOCK!
    $91.80 Buy Surplus As Low As $36.68
    $36.68
    SIEMENS E63B030

    SIEMENS

    E63B030

    DISCONTINUED BY MANUFACTURER , CIRCUIT BREAKER, 30AMP, 3POLE, 600VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $250.03
    $250.03
    EATON CORPORATION 373D958G18

    EATON CORPORATION

    CUTLER HAMMER

    373D958G18

    HANDLE MECHANISM, FOR JB, KB, HKB CIRCUIT BREAKERS, VARI-DEPTH
    ✓ IN STOCK!
    $367.00 Buy Surplus As Low As $120.63
    $120.63
    ALLEN BRADLEY 140M-C-SNZJ

    ALLEN BRADLEY

    140M-C-SNZJ

    DISCONTINUED BY MANUFACTURER 10/26/2022, SHUNT TRIP, 140M, LEFT SIDE MOUNTED, 18 MM WIDTH, 24 VDC, USED WITH 140M-C -D -F / 140U-D
    ✓ IN STOCK!
    Buy Surplus As Low As $101.25
    $101.25
    ALLEN BRADLEY 1492-SP3C630-N

    ALLEN BRADLEY

    1492-SP3C630-N

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 63 AMP, 3 PHASE, 3 POLE WITH NEUTRAL, 415 VAC, OPEN STYLE
    ✓ IN STOCK!
    Buy Surplus As Low As $99.35
    $99.35
    SIEMENS 3VL9300-8SA40

    SIEMENS

    3VL9300-8SA40

    (PRICE/PC) BREAKER VL IEC 3VL1 3 METRIC MTG SCR 4PC, IEC VL EXTERIOR ACCY
    ✓ IN STOCK!
    $39.82 Buy Surplus As Low As $11.71
    $11.71
    ASEA BROWN BOVERI 016339426

    ASEA BROWN BOVERI

    ENTRELEC

    016339426

    JUMPER SCREW
    ✓ IN STOCK!
    $0.20 Buy Surplus As Low As $0.12
    $0.12
    EATON CORPORATION WMTC1015

    EATON CORPORATION

    WMTC1015

    CIRCUIT BREAKER, WMTC1015, WMT 10KA 1P 15A CCRV CB
    ✓ IN STOCK!
    $72.95 Buy Surplus As Low As $28.00
    $28.00
    EATON CORPORATION SPHM3HM07R5

    EATON CORPORATION

    CUTLER HAMMER

    SPHM3HM07R5

    HYD-MAG SUP PROTECTOR, 7.5AMP, UL1077, 3P, 277/480V, 3KAIC 8X IN
    ✓ IN STOCK!
    $550.00 Buy Surplus As Low As $197.61
    $197.61
    Repair Yours $300.00
    EATON CORPORATION FI3015L

    EATON CORPORATION

    CUTLER HAMMER

    FI3015L

    CIRCUIT BREAKER, MOLDED CASE, THERMAL-MAGNETIC, F-FRAME, 15 AMP, 3 POLE, 480 VAC
    ✓ IN STOCK!
    $719.98 Buy Surplus As Low As $359.99
    $359.99
    Repair Yours $300.00
    EATON CORPORATION BR816L125FDP

    EATON CORPORATION

    CUTLER HAMMER

    BR816L125FDP

    LOAD CENTER, MAIN LUG, WITH FLUSH DOOR, 125 AMP, 8 SPACE, 16 CIRCUIT
    ✓ IN STOCK!
    $85.00 Buy Surplus As Low As $65.00
    $65.00
    Repair Yours $300.00
    ASEA BROWN BOVERI S202P-K6

    ASEA BROWN BOVERI

    S202P-K6

    MINIATURE CIRCUIT BREAKER, 2POLE, K, 6A, 480Y/277
    ✓ IN STOCK!
    $150.00 Buy Surplus As Low As $65.00
    $65.00
    SIEMENS ED63S100A

    SIEMENS

    ITE SIEMENS

    ED63S100A

    CIRCUIT BREAKER, MOLDED CASE, W/ MAGNETIC ONLY TRIP UNIT, 100 AMP, 3 POLE, 600 V, 18 KA, ED FRAME, W/ STANDARD BREAKING CAPACITY
    ✓ IN STOCK!
    $763.94 Buy Surplus As Low As $414.87
    $414.87
    Repair Yours $301.43
    SIEMENS ED63B050

    SIEMENS

    ITE SIEMENS

    ED63B050

    CIRCUIT BREAKER, 50AMP, 3POLE, 600VAC, THERMAL- MAGNETIC TRIP UNIT
    ✓ IN STOCK!
    $1,184.14 Buy Surplus As Low As $442.95
    $442.95
    Repair Yours $328.68
    SIEMENS ED63A030

    SIEMENS

    ITE SIEMENS

    ED63A030

    CIRCUIT BREAKER, SENTRON, TYPE ED, 3 POLE, 30 AMP, 600V, 25KA @ 480V, BOLT-ON
    ✓ IN STOCK!
    $924.00 Buy Surplus As Low As $490.88
    $490.88
    Repair Yours $350.00
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