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.

  • EHD3040D11 | Eaton EHD BREAKER 3P 40A WITH LINE AND LOAD END CAP ASSEMBLY
    Eaton

    EHD3040D11

    EHD BREAKER 3P 40A WITH LINE AND LOAD END CAP ASSEMBLY

    $1,060.63
    $1,767.71
  • EHD3040D11M04 | Eaton EHD 3P 40A W/ MTG HDWE & LINE AND LOAD END CAP KITS
    Eaton

    EHD3040D11M04

    EHD 3P 40A W/ MTG HDWE & LINE AND LOAD END CAP KITS

    $1,020.10
    $1,700.15
  • EHD3040H08 | Eaton EHD 3P 40AMP MARINE APPL.
    Eaton

    EHD3040H08

    EHD 3P 40AMP MARINE APPL.

    $1,119.80
    $1,866.34
  • EHD3040L | Eaton TYPE EHD BREAKER 3P 40A 480VAC MAX 14KAIC
    Eaton

    EHD3040L

    TYPE EHD BREAKER 3P 40A 480VAC MAX 14KAIC

    $1,020.10
    $1,700.15
  • EHD3040LH08 | Eaton EHD 3P 40A W/TERM L&L MARINE APPL
    Eaton

    EHD3040LH08

    EHD 3P 40A W/TERM L&L MARINE APPL

    $1,119.80
    $1,866.34
  • EHD3040LM04 | Eaton EHD 3P 40A L&L TERM W/ BASE MTG HDWE
    Eaton

    EHD3040LM04

    EHD 3P 40A L&L TERM W/ BASE MTG HDWE

    $1,044.20
    $1,740.34
  • EHD3040S | Eaton EHD 3P 40A W/3T150FB LOAD END
    Eaton

    EHD3040S

    EHD 3P 40A W/3T150FB LOAD END

    $1,103.35
    $1,838.93
  • EHD3040S10 | Eaton EHD 3P 40A W/ST 208-380VAC OR 110-125VDC LH
    Eaton

    EHD3040S10

    EHD 3P 40A W/ST 208-380VAC OR 110-125VDC LH

    $2,121.28
    $3,535.46
  • EHD3040V | Eaton TYPE EHD BREAKER 3P 40A 480VAC MAX 14KAIC
    Eaton

    EHD3040V

    TYPE EHD BREAKER 3P 40A 480VAC MAX 14KAIC

    $1,003.65
    $1,672.76
  • EHD3040VH08 | Eaton EHD 3P 40A MARINE APPL 50 DEGREE
    Eaton

    EHD3040VH08

    EHD 3P 40A MARINE APPL 50 DEGREE

    $1,119.80
    $1,866.34
  • EHD3040VH09 | Eaton EHD 3P 40A 50 DEGREE NAVAL APPL
    Eaton

    EHD3040VH09

    EHD 3P 40A 50 DEGREE NAVAL APPL

    $1,119.80
    $1,866.34
  • EHD3040VL | Eaton EHD 3P 40A TERM L&L 50 DEGREE
    Eaton

    EHD3040VL

    EHD 3P 40A TERM L&L 50 DEGREE

    $1,020.10
    $1,700.15
  • EHD3040VLH08 | Eaton EHD 3P 40A L&L TERM MARINE APPL_50 DEGREE
    Eaton

    EHD3040VLH08

    EHD 3P 40A L&L TERM MARINE APPL_50 DEGREE

    $1,119.80
    $1,866.34
  • EHD3040VSH09 | Eaton EHD 3P 40A STAINLESS STEEL TERM LOAD NAVAL APPL 50 DEGREE
    Eaton

    EHD3040VSH09

    EHD 3P 40A STAINLESS STEEL TERM LOAD NAVAL APPL 50 DEGREE

    $1,249.09
    $2,081.83
  • EHD3040VW | Eaton EHD 3P 40A W/O TERM 50 DEGREE
    Eaton

    EHD3040VW

    EHD 3P 40A W/O TERM 50 DEGREE

    $997.09
    $1,661.82
  • EHD3040W | Eaton EHD 3P 40AMP WITHOUT TERMINALS
    Eaton

    EHD3040W

    EHD 3P 40AMP WITHOUT TERMINALS

    $997.09
    $1,661.82
  • EHD3045 | Eaton F-Frame Molded Case Circuit Breaker (45 Amp, 3 pole)
    Eaton

    EHD3045

    F-Frame Molded Case Circuit Breaker (45 Amp, 3 pole)

    $1,003.65
    $1,672.76
  • EHD3045H08 | Eaton EHD 3P 45A WITH MARINE LABEL
    Eaton

    EHD3045H08

    EHD 3P 45A WITH MARINE LABEL

    $1,119.80
    $1,866.34
  • EHD3045L | Eaton TYPE EHD BREAKER 3P 45A 480VAC MAX 14K AIC
    Eaton

    EHD3045L

    TYPE EHD BREAKER 3P 45A 480VAC MAX 14K AIC

    $1,020.10
    $1,700.15
  • EHD3045LD08 | Eaton EHD3045L W/LOAD CONTROL WIRE TERMINAL LP AND CP
    Eaton

    EHD3045LD08

    EHD3045L W/LOAD CONTROL WIRE TERMINAL LP AND CP

    $1,307.16
    $2,178.60
  • EHD3045VW | Eaton EHD 3P 45A 50 DEG C WITHOUT TERM
    Eaton

    EHD3045VW

    EHD 3P 45A 50 DEG C WITHOUT TERM

    $1,044.20
    $1,740.34
  • EHD3050 | Eaton F-Frame Molded Case Circuit Breaker (50 Amps, 3 pole)
    Eaton

    EHD3050

    F-Frame Molded Case Circuit Breaker (50 Amps, 3 pole)

    $1,003.65
    $1,672.76
  • EHD3050-GR1 | Eaton EHD BREAKER 3P, 50 AMP FOR GRAINGER
    Eaton

    EHD3050-GR1

    EHD BREAKER 3P, 50 AMP FOR GRAINGER

    $852.71
  • EHD3050D11 | Eaton EHD BREAKER 3P 50A WITH LINE AND LOAD END CAP ASSEMBLY
    Eaton

    EHD3050D11

    EHD BREAKER 3P 50A WITH LINE AND LOAD END CAP ASSEMBLY

    $1,060.63
    $1,767.71
  • EHD3050H01 | Eaton EHD 3P 50A 400HZ
    Eaton

    EHD3050H01

    EHD 3P 50A 400HZ

    $1,226.09
    $2,043.49
  • EHD3050H08 | Eaton EHD 3P 50AMP MARINE APPL.
    Eaton

    EHD3050H08

    EHD 3P 50AMP MARINE APPL.

    $1,119.80
    $1,866.34
  • EHD3050L | Eaton TYPE EHD BREAKER 3P 50A 480VAC MAX 14KAIC
    Eaton

    EHD3050L

    TYPE EHD BREAKER 3P 50A 480VAC MAX 14KAIC

    $1,020.10
    $1,700.15
  • EHD3050LM04 | Eaton EHD 3P 50A L&L TERM W/ MTG HDWE
    Eaton

    EHD3050LM04

    EHD 3P 50A L&L TERM W/ MTG HDWE

    $1,020.10
    $1,700.15

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.