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-K16 | ABB Miniature Circuit Breaker (10kA, 16A, 2P)
    ABB

    ST202M-K16

    Miniature Circuit Breaker (10kA, 16A, 2P)

    $71.48
    $250.34
  • ST203M-B25 | ABB Miniature Circuit Breaker (10kA, 25A, 3P)
    ABB

    ST203M-B25

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

    $108.01
    $378.32
  • ST203M-K20 | ABB Miniature Circuit Breaker (10kA, 20A, 3P)
    ABB

    ST203M-K20

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

    $108.01
    $378.32
  • ST203M-K3 | ABB Miniature Circuit Breaker (10kA, 3A, 3P)
    ABB

    ST203M-K3

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

    $108.01
    $378.32
  • ST203M-K50 | ABB Miniature Circuit Breaker (5kA, 50A, 3P)
    ABB

    ST203M-K50

    Miniature Circuit Breaker (5kA, 50A, 3P)

    $123.66
    $433.13
  • SU201M-C25 | ABB Miniature Circuit Breaker (10kA, 25A, 1P)
    ABB

    SU201M-C25

    Miniature Circuit Breaker (10kA, 25A, 1P)

    $32.88
    $115.14
  • SU201M-C30 | ABB Miniature Circuit Breaker (10kA, 30A, 1P)
    ABB

    SU201M-C30

    Miniature Circuit Breaker (10kA, 30A, 1P)

    $32.88
    $115.14
  • SU201M-Z16 | ABB Miniature Circuit Breaker (10kA, 16A, 1P)
    ABB

    SU201M-Z16

    Miniature Circuit Breaker (10kA, 16A, 1P)

    $32.88
    $115.14
  • SU201M-Z40 | ABB Miniature Circuit Breaker (10kA, 40A, 1P)
    ABB

    SU201M-Z40

    Miniature Circuit Breaker (10kA, 40A, 1P)

    $34.45
    $120.66
  • SU202M-C10 | ABB Miniature Circuit Breaker (10kA, 10A, 2P)
    ABB

    SU202M-C10

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

    $81.08
    $283.98
  • SU202M-K1 | ABB Miniature Circuit Breaker (10kA, 1A, 2P)
    ABB

    SU202M-K1

    Miniature Circuit Breaker (10kA, 1A, 2P)

    $81.08
    $283.98
  • SU202ML-K30 | ABB Miniature Circuit Breaker (10kA, 30A, 2P)
    ABB

    SU202ML-K30

    Miniature Circuit Breaker (10kA, 30A, 2P)

    $81.08
    $283.98
  • SU203M-C30 | ABB Miniature Circuit Breaker (10kA, 30A, 3P)
    ABB

    SU203M-C30

    Miniature Circuit Breaker (10kA, 30A, 3P)

    $122.50
    $429.06
  • SU203M-K3 | ABB Miniature Circuit Breaker (10kA, 3A, 3P)
    ABB

    SU203M-K3

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

    $122.50
    $429.06
  • UMBW-1B1-10 | Mini Circuit Breaker, 10 Amp, 1 Pole, B Curve
    Weg

    UMBW-1B1-10

    Mini Circuit Breaker, 10 Amp, 1 Pole, B Curve

    $11.75
    $25.00
  • UMBW-1B3-50 | Mini Circuit Breaker, 50 Amp, 3 Pole, B Curve
    Weg

    UMBW-1B3-50

    Mini Circuit Breaker, 50 Amp, 3 Pole, B Curve

    $31.23
    $65.00
  • UMBW-1C2-10 | Mini Circuit Breaker, 10 Amp, 2 Pole, C Curve
    Weg

    UMBW-1C2-10

    Mini Circuit Breaker, 10 Amp, 2 Pole, C Curve

    $22.56
    $48.00
  • UMBW-1D1-1 | Mini Circuit Breaker, 1 Amp, 1 Pole, D Curve
    Weg

    UMBW-1D1-1

    Mini Circuit Breaker, 1 Amp, 1 Pole, D Curve

    $11.75
    $25.00
  • UMBW-1D3-20 | Mini Circuit Breaker, 20 Amp, 3 Pole, D Curve
    Weg

    UMBW-1D3-20

    Mini Circuit Breaker, 20 Amp, 3 Pole, D Curve

    $30.55
    $65.00
  • UMBW-4C1-6 | Mini Circuit Breaker (6 Amps) | Weg
    Weg

    UMBW-4C1-6

    Mini Circuit Breaker, 6 Amp, 1 Pole, C Curve

    $24.91
    $53.00
  • XT1HU3100AFF000XXX | ABB Xt1H 125 Tmf 100-1000 3P F F Ul/Csa
    ABB

    XT1HU3100AFF000XXX

    Xt1H 125 Tmf 100-1000 3P F F Ul/Csa

    $517.94
    $1,778.31
  • XT4HU3040EFF000XXX | ABB Xt4H 250 Ekip Ls/I In=40A 3P F F Ul
    ABB

    XT4HU3040EFF000XXX

    Xt4H 250 Ekip Ls/I In=40A 3P F F Ul

    $1,308.26
    $7,848.72
  • XT4NU3150AFF000XXX | ABB Xt4N 250 Tmf 150-1500 3P F F Ul/Csa
    ABB

    XT4NU3150AFF000XXX

    Xt4N 250 Tmf 150-1500 3P F F Ul/Csa

    $893.28
    $3,067.04
  • ZLS972N300 | ABB DIN Adapter
    ABB

    ZLS972N300

    DIN Adapter

    $30.29
    $33.38
  • 1373D62G01 | Eaton Type Gb/Gc 120Vac 50/60 Hz Shunt Trip Lh Mtg Only
    Eaton

    1373D62G01

    Type Gb/Gc 120Vac 50/60 Hz Shunt Trip Lh Mtg Only

    $974.26
    $1,623.77

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.