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.

  • BR2150NA Eaton Thermal Magnetic Circuit Breaker (2P, 150A)
    Eaton

    BR2150NA

    Thermal Magnetic Circuit Breaker (2P, 150A)

  • EGB1020FFB | Eaton EG 18KA 1 POLE 20 AMP BOLT BREAKER,
    Eaton

    EGB1020FFB

    EG 18KA 1 POLE 20 AMP BOLT BREAKER,

    $216.99
    $688.83
  • EHC24-UBW225 | Weg Handle + Mechanism + Shaft 24" (fits UBW225 breakers)
    Weg

    EHC24-UBW225

    Handle + Mechanism + Shaft 24" (fits UBW225 breakers)

    $167.81
    $437.00
  • PDG23M0225E2NL | Eaton PDG2,3P,225A,65KA/480V,PXR20LSI
    Eaton

    PDG23M0225E2NL

    PDG2,3P,225A,65KA/480V,PXR20LSI

    $1,649.58
    $1,885.23
  • S804U-PVS5 | ABB High Performance Circuit Breaker (4kA, 5A, 4P)
    ABB

    S804U-PVS5

    High Performance Circuit Breaker (4kA, 5A, 4P)

    $2,146.21
    $2,267.23
  • ST203M-K30 | ABB Miniature Circuit Breaker (10kA, 30A, 3P)
    ABB

    ST203M-K30

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

    $108.01
    $378.32
  • SU202MR-K50 | ABB Miniature Circuit Breaker (10kA, 50A, 2P)
    ABB

    SU202MR-K50

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

    $92.79
    $325.00
  • SU203M-K30 ABB Miniature Circuit Breaker (10kA, 30A, 3P)
    ABB

    SU203M-K30

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

    $122.50
    $429.06
  • T250FJ Eaton Stainless Steel Collar Assembly (For use with JG-frame)
    Eaton

    T250FJ

    Stainless Steel Collar Assembly (For use with JG-frame)

    $19.93
    $66.43
  • 12303490 | Eaton DECKEL NZM1 (BESCHRIFTET) NZM1 HINGED FRONT COVER
    Eaton

    12303490

    DECKEL NZM1 (BESCHRIFTET) NZM1 HINGED FRONT COVER

  • EGB3100FFG | Eaton E 3P 100A 18kA @ 415 & 480V Fixed thermal, Fixed mag,
    Eaton

    EGB3100FFG

    E 3P 100A 18kA @ 415 & 480V Fixed thermal, Fixed mag,

    $600.78
    $1,907.23
  • KXT5PLLOPLC | ABB Pll Xt5 Padlocks Device Op/Cl
    ABB

    KXT5PLLOPLC

    Pll Xt5 Padlocks Device Op/Cl

    $41.44
    $177.83
  • KXTAAUXD | ABB Aux 1Q 24Vdc Xt1...Xt6
    ABB

    KXTAAUXD

    Aux 1Q 24Vdc Xt1...Xt6

    $81.98
    $614.72
  • PDG12C0015TFFJ | Eaton PDG1,2P,15A,18KA/480V,FXFXTMTU
    Eaton

    PDG12C0015TFFJ

    PDG1,2P,15A,18KA/480V,FXFXTMTU

    $292.35
    $334.12
  • PDG13F0045TFFJ | Eaton PDG1,3P,45A,25KA/480V,FXFXTMTU
    Eaton

    PDG13F0045TFFJ

    PDG1,3P,45A,25KA/480V,FXFXTMTU

    $460.31
    $526.07
  • PDG2X2T100 | Eaton PDG2 TERMINAL (STEEL), 100A, 14-1/0, 2P
    Eaton

    PDG2X2T100

    PDG2 TERMINAL (STEEL), 100A, 14-1/0, 2P

    $33.16
    $37.90
  • PDG2XPLKT | Eaton PDG2 PADLOCK HASP, TOP, ON/OFF
    Eaton

    PDG2XPLKT

    PDG2 PADLOCK HASP, TOP, ON/OFF

    $34.56
    $39.51
  • PDG33M0400B2NJ | Eaton PDG3,3P,400A,65KA/480V,PXR10 LSI
    Eaton

    PDG33M0400B2NJ

    PDG3,3P,400A,65KA/480V,PXR10 LSI

    $3,526.90
    $4,030.75
  • S202MUC-K16 | ABB Circuit Breaker (2P K 16A AC/DC)
    ABB

    S202MUC-K16

    Circuit Breaker (2P K 16A AC/DC)

    $150.30
    $526.46
  • ST201M-B15 | ABB Miniature Circuit Breaker (10kA, 15A, 1P)
    ABB

    ST201M-B15

    Miniature Circuit Breaker (10kA, 15A, 1P)

    $28.99
    $101.54
  • ST201M-B2 | ABB Miniature Circuit Breaker (10kA, 2A, 1P)
    ABB

    ST201M-B2

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

    $28.99
    $101.54
  • ST202M-C6 | ABB Miniature Circuit Breaker (10kA, 6A, 2P)
    ABB

    ST202M-C6

    Miniature Circuit Breaker (10kA, 6A, 2P)

    $71.48
    $250.34
  • ST203M-C63 | ABB Miniature Circuit Breaker (5kA, 63A, 3P)
    ABB

    ST203M-C63

    Miniature Circuit Breaker (5kA, 63A, 3P)

    $144.21
    $505.11
  • SU201ML-K25 | ABB Miniature Circuit Breaker (10kA, 25A, 1P)
    ABB

    SU201ML-K25

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

    $32.88
    $115.14
  • SU201ML-Z40 | ABB Miniature Circuit Breaker (10kA, 40A, 1P)
    ABB

    SU201ML-Z40

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

    $37.60
    $201.10
  • SU202M-C3 | ABB Miniature Circuit Breaker (10kA, 3A, 2P)
    ABB

    SU202M-C3

    Miniature Circuit Breaker (10kA, 3A, 2P)

    $81.08
    $283.98
  • UMBW-1D2-50 | Mini Circuit Breaker, 50 Amp, 2 Pole, D Curve
    Weg

    UMBW-1D2-50

    Mini Circuit Breaker, 50 Amp, 2 Pole, D Curve

    $22.56
    $48.00

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.