Circuit Breakers & Circuit Breaker Parts

Wistex offers a wide selection of industrial circuit breakers designed to protect your equipment from overloads and short circuits. With trusted brands like ABB and expert customer support, we help you find the right solution for your electrical panels and motor control centers.

  • ZLS972300 | ABB DIN Adapter
    ABB

    ZLS972300

    DIN Adapter

    $30.29
    $33.38
  • 259589 Eaton NZM Undervoltage Release (110-130VAC, +2early N/O)
    Eaton

    259589

    NZM Undervoltage Release (110-130VAC, +2early N/O)

    $506.06
    $1,135.95
  • B1E2B30 Noark Supplementary Protectors, B1E UL 1077, 2P, B Curve, 30A, 5 kA, 480 Vac / 125 Vdc
    Noark

    B1E2B30

    Supplementary Protectors, B1E UL 1077, 2P, B Curve, 30A, 5 kA, 480 Vac / 125 Vdc

    $24.34
  • B1E3P125 Noark Miniature Circuit Breaker (125A, 3P, 5kA, 480VAC / 125VDC)
    Noark

    B1E3P125

    Miniature Circuit Breaker (125A, 3P, 5kA, 480VAC / 125VDC)

    $45.34
    $50.38
  • B1H1B3 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 3A, 10 kA, 277 Vac, Box Lug
    Noark

    B1H1B3

    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 3A, 10 kA, 277 Vac, Box Lug

    $22.57
  • B1H2C16 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 16A, 10 kA, 480Y/277 Vac, Box Lug
    Noark

    B1H2C16

    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 16A, 10 kA, 480Y/277 Vac, Box Lug

    $45.25
  • B1H3D5 Noark Miniature Circuit Breakers, B1H UL 489, 3P, D Curve, 5A, 10 kA, 480Y/277 Vac, Box Lug
    Noark

    B1H3D5

    Miniature Circuit Breakers, B1H UL 489, 3P, D Curve, 5A, 10 kA, 480Y/277 Vac, Box Lug

    $67.81
  • BRS125CLX Eaton Sub Feed Lug (2 Pole, 125 Amps, #6-2/0 Wire Size)
    Eaton

    BRS125CLX

    Sub Feed Lug (2 Pole, 125 Amps, #6-2/0 Wire Size)

    $97.50
    $181.40
  • CH250GFT | Eaton TYPE CH 5 MA GFI BREAKER 50A/2 POLE 120/240V 10K_SELF TEST
    Eaton

    CH250GFT

    TYPE CH 5 MA GFI BREAKER 50A/2 POLE 120/240V 10K_SELF TEST

    $496.60
    $923.90
  • DWB100JE40-3DX | Weg Circuit Breaker (40 Amps, 3 Poles, 14 KA, 480Y/277V)
    Weg

    DWB100JE40-3DX

    Circuit Breaker (40 Amps, 3 Poles, 14 KA, 480Y/277V)

    $214.27
    $558.00
  • EGFS02HPX | Eaton EG HP FLEXIBLE SHAFT 2 FT 4/4X
    Eaton

    EGFS02HPX

    EG HP FLEXIBLE SHAFT 2 FT 4/4X

    $811.36
    $1,352.27
  • EHD3050VH08 | Eaton EHD 3P 50A MARINE APPL 50 DEGREE
    Eaton

    EHD3050VH08

    EHD 3P 50A MARINE APPL 50 DEGREE

    $1,103.35
    $1,838.93
  • F2S04CX | Eaton J Frame Flexible Shaft Length 4FT Nema 4,4X
    Eaton

    F2S04CX

    J Frame Flexible Shaft Length 4FT Nema 4,4X

    $1,135.10
    $1,891.82
  • F4S10HP | Eaton L- AND MDL-FRAME, NEMA 1/3R/12 10ft. FLEX SHAFT PLASTIC
    Eaton

    F4S10HP

    L- AND MDL-FRAME, NEMA 1/3R/12 10ft. FLEX SHAFT PLASTIC

    $788.69
    $1,314.48
  • F5S06CI | Eaton 72 Assy/NEMA 1/3R/12, N Circuit Breaker C371 Flex Shaft Pac
    Eaton

    F5S06CI

    72 Assy/NEMA 1/3R/12, N Circuit Breaker C371 Flex Shaft Pac

    $612.59
    $2,153.24
  • F6S04 | Eaton R FRAME FLEX SHAFT ASSY 4FT NEMA 1/3R/12
    Eaton

    F6S04

    R FRAME FLEX SHAFT ASSY 4FT NEMA 1/3R/12

    $702.90
    $2,364.68
  • FAZ-C2/1-NA-L-SP Eaton Industrial Miniature Circuit Breaker (2 A, 10 kAIC, Single-pole, 277 V)
    Eaton

    FAZ-C2/1-NA-L-SP

    Industrial Miniature Circuit Breaker (2 A, 10 kAIC, Single-pole, 277 V)

    $26.55
    $108.93
  • KXT5CUAL500K-3PC | ABB Fccual 1X4/0Awg-500Kcmil Xt5 3Pul
    ABB

    KXT5CUAL500K-3PC

    Fccual 1X4/0Awg-500Kcmil Xt5 3Pul

    $26.34
    $113.06
  • KXT5MOE110-125 | ABB Moe Xt5 110…125V Ac/Dc
    ABB

    KXT5MOE110-125

    Moe Xt5 110¬Ö125V Ac/Dc

    $1,397.78
    $5,999.05
  • KXT5RHDSTFP | ABB Rhd Xt5 F/P Stand. Direct
    ABB

    KXT5RHDSTFP

    Rhd Xt5 F/P Stand. Direct

    $94.13
    $403.97
  • KXTCPLLOP | ABB Pll Xt2-Xt4 Padlocks Device Open
    ABB

    KXTCPLLOP

    Pll Xt2-Xt4 Padlocks Device Open

    $20.71
    $88.91
  • NS2-160-NA | Eaton UL/CSA/IEC MOLDED CASE SW 160A 3P SCR TERM.
    Eaton

    NS2-160-NA

    UL/CSA/IEC MOLDED CASE SW 160A 3P SCR TERM.

    $1,841.54
    $4,133.65
  • PDG2XHMDS | Eaton PDG2 DOOR HANDLE W/ MECHANISM, STD LOCKABLE HANDLE
    Eaton

    PDG2XHMDS

    PDG2 DOOR HANDLE W/ MECHANISM, STD LOCKABLE HANDLE

    $96.75
    $110.58
  • S204MUC-K40 | ABB Circuit Breaker (4P K 40A AC/DC)
    ABB

    S204MUC-K40

    Circuit Breaker (4P K 40A AC/DC)

    $360.91
    $1,264.12
  • S801UE-K30 | ABB Miniature circuit breaker (22kA, 30A, 1P)
    ABB

    S801UE-K30

    Miniature circuit breaker (22kA, 30A, 1P)

    $109.70
    $115.89
  • ST201M-K32 | ABB Miniature Circuit Breaker (10kA, 32A, 1P)
    ABB

    ST201M-K32

    Miniature Circuit Breaker (10kA, 32A, 1P)

    $28.99
    $101.54

Circuit Breakers We Offer

Wistex provides a wide selection of industrial circuit breakers designed to safeguard electrical systems across a variety of industries. Whether you need circuit protection for motor loads, panel boards, or HVAC systems, we offer trusted solutions from ABB and other leading brands.

ABB Circuit Breaker

ABB Circuit Breakers

Our range of ABB circuit breakers delivers proven protection for industrial, commercial, and manufacturing environments. ABB breakers are known for their reliability, ease of installation, and compliance with the latest electrical safety standards.

Motor Circuit Breakers

Motor circuit breakers are specifically designed to protect electric motors against overloads, phase failures, and short circuits. Ideal for high inrush current applications, they ensure critical motor systems operate safely and efficiently.

Motor Circuit Breakers
Low Voltage Circuit Breakers

Low-Voltage Circuit Breakers

Low-voltage circuit breakers offer flexible protection for commercial and light industrial systems. They prevent electrical faults in panel boards, control cabinets, and HVAC systems while maintaining safe operation and minimizing downtime.

Applications for Circuit Breakers

Our industrial circuit breakers are ideal for protecting critical systems across a wide range of industries:

  • Motor control center protection to ensure safe operation of heavy machinery
  • Panel board protection for industrial and commercial electrical distribution
  • Short circuit protection for HVAC equipment, compressors, and large facility systems

Pair your circuit breakers with overload relays and contactors for a complete protection system.

Why Choose Wistex for Industrial Circuit Breakers

Find durable and dependable industrial circuit breakers at Wistex. We offer ABB motor circuit breakers and low-voltage breakers designed to protect your electrical systems from overloads, faults, and short circuits.

Why choose Wistex for circuit breakers?

  • Wide inventory of ABB circuit breakers for industrial applications
  • Expert guidance on selecting the right amperage, trip curve, and protection class
  • Fast order processing and delivery to minimize downtime
  • Long-term support with warranty coverage and replacement options
  • Protect your operations and equipment with industrial circuit breakers from Wistex.

Get the right contactor to power your success — backed by Wistex expertise.

Circuit Breaker FAQs

Find quick answers to common questions about selecting and using industrial circuit breakers.

A circuit breaker automatically interrupts the flow of electricity when it detects an overload, short circuit, or fault condition. This protects wiring, equipment, and personnel from electrical hazards and prevents costly damage to industrial systems.

Choosing the correct circuit breaker depends on several factors:

  • Load size and type (motor, lighting, HVAC, etc.)
  • Voltage rating (low voltage, medium voltage)
  • Interrupt rating (ability to handle fault currents)
  • Application environment (indoor, outdoor, corrosive conditions). Wistex’s technical team can assist you in selecting the best circuit breaker for your specific needs.

Motor circuit breakers are specially designed to handle the high inrush currents typical during motor startup. They provide both overload and short-circuit protection tailored for motors. Standard circuit breakers are used for general electrical circuits, such as panelboards and lighting, where the startup current is lower and more consistent.