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.

  • ST202M-D25 | ABB Miniature Circuit Breaker (10kA, 25A, 2P)
    ABB

    ST202M-D25

    Miniature Circuit Breaker (10kA, 25A, 2P)

    $71.48
    $250.34
  • ST203M-C25 | ABB Miniature Circuit Breaker (10kA, 25A, 3P)
    ABB

    ST203M-C25

    Miniature Circuit Breaker (10kA, 25A, 3P)

    $108.01
    $378.32
  • ST203M-D20 | ABB Miniature Circuit Breaker (10kA, 20A, 3P)
    ABB

    ST203M-D20

    Miniature Circuit Breaker (10kA, 20A, 3P)

    $108.01
    $378.32
  • SU202M-C40 | ABB Miniature Circuit Breaker (10kA, 40A, 2P)
    ABB

    SU202M-C40

    Miniature Circuit Breaker (10kA, 40A, 2P)

    $84.98
    $297.65
  • SU202M-K50 | ABB Miniature Circuit Breaker (10kA, 50A, 2P)
    ABB

    SU202M-K50

    Miniature Circuit Breaker (10kA, 50A, 2P)

    $92.79
    $325.00
  • SU203M-K10 | ABB Miniature Circuit Breaker (10kA, 10A, 3P)
    ABB

    SU203M-K10

    Miniature Circuit Breaker (10kA, 10A, 3P)

    $122.50
    $429.06
  • SU203ML-K50 | ABB Miniature Circuit Breaker (10kA, 50A, 3P)
    ABB

    SU203ML-K50

    Miniature Circuit Breaker (10kA, 50A, 3P)

    $140.25
    $491.25
  • XT4HU3250BFF000XXX ABB Molded Case Circuit Breaker (3 Pole, 250A, 600V)
    ABB

    XT4HU3250BFF000XXX

    Molded Case Circuit Breaker (3 Pole, 250A, 600V)

    $1,662.50
    $5,708.16
  • XT4SU3175AFF000XXX | ABB Xt4S 250 Tmf 175-1750 3P F F Ul/Csa
    ABB

    XT4SU3175AFF000XXX

    Xt4S 250 Tmf 175-1750 3P F F Ul/Csa

    $1,240.49
    $4,259.17
  • 16RES08T | Eaton Type Res Circuit Bkr Rating Plug Assembly
    Eaton

    16RES08T

    Type Res Circuit Bkr Rating Plug Assembly

    $411.00
    $685.01
  • 3T125EF | Eaton Steel Collars
    Eaton

    3T125EF

    Steel Collars

    $5.49
    $18.29
  • 3TA125EF | Eaton Small Aluminum Collars
    Eaton

    3TA125EF

    Small Aluminum Collars

    $5.49
    $18.29
  • A2A150TL-2 ABB Molded Case Circuit Breaker (A2A 250 Tmf 150-1500 2P Ul +Ka2225)
    ABB

    A2A150TL-2

    A2A 250 Tmf 150-1500 2P Ul +Ka2225

    $279.40
    $544.38
  • B1H2B2 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 2A, 10 kA, 480Y/277 Vac, Box Lug
    Noark

    B1H2B2

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

    $44.12
  • BR110 | Eaton Type BR Breaker 10A/1 Pole 120/240V 10K
    Eaton

    BR110

    Type BR Breaker 10A/1 Pole 120/240V 10K

    $48.45
    $90.13
  • BR230H | Eaton TYPE BR 2 pole 30 amp 240v
    Eaton

    BR230H

    TYPE BR 2 pole 30 amp 240v

    $136.98
    $254.84
  • BR3RDOOR28 | Eaton REPLACEMENT COVER FOR BR816L125RP
    Eaton

    BR3RDOOR28

    REPLACEMENT COVER FOR BR816L125RP

    $109.23
    $153.30
  • CCL300 | Eaton CC/CHH Main Breaker Lug Kit 1-300MCM
    Eaton

    CCL300

    CC/CHH Main Breaker Lug Kit 1-300MCM

    $17.33
    $93.28
  • EGGDDIN | Eaton DIN RAIL ADAPTER FOR EG AND GD FRAME BREAKERS
    Eaton

    EGGDDIN

    DIN RAIL ADAPTER FOR EG AND GD FRAME BREAKERS

    $17.76
    $59.21
  • EHC12-UBW225 | Weg Handle + Mechanism + Shaft 12" (fits UBW225 breakers)
    Weg

    EHC12-UBW225

    Handle + Mechanism + Shaft 12" (fits UBW225 breakers)

    $147.46
    $384.00
  • EHD3020VH08 | Eaton EHD 3P 20A MARINE APPL 50 DEGREE
    Eaton

    EHD3020VH08

    EHD 3P 20A MARINE APPL 50 DEGREE

    $1,103.35
    $1,838.93
  • GPLKOFFBP100 | Eaton G Frame Lockoff (Lockable In The Off Position Only- 1,2,3 P)
    Eaton

    GPLKOFFBP100

    G Frame Lockoff (Lockable In The Off Position Only- 1,2,3 P)

    $34.54
    $57.55
  • KA2F-3 | ABB Kit F A2 3Pcs
    ABB

    KA2F-3

    Kit F A2 3Pcs

    $14.99
    $29.19
  • KT-M20 Eaton Diaphragm Grommet
    Eaton

    KT-M20

    Diaphragm Grommet

    $9.50
    $18.52
  • KXT4CUAL4-3PC | Terminals for Cables in Copper-Aluminum (3/0-350 kcmil, 3pcs, XT4 UL/CSA) | ABB
    ABB

    KXT4CUAL4-3PC

    Terminals for Cables in Copper-Aluminum (3/0-350 kcmil, 3pcs, XT4 UL/CSA)

    $22.23
    $166.67
  • KXT6EF-3PC ABB Extended Front Terminals (3pcs XT6 800A)
    ABB

    KXT6EF-3PC

    Extended Front Terminals (3pcs XT6 800A)

    $132.24
    $567.52
  • KXT7RP1000ULA | ABB Rating Plug In=1000 A Xt7-Xt7M Ul
    ABB

    KXT7RP1000ULA

    Rating Plug In=1000 A Xt7-Xt7M Ul

    $78.78
    $338.10

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.