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.

  • EHD2040-GR1 | Eaton EHD BREAKER 2P, 40 AMP FOR GRAINGER
    Eaton

    EHD2040-GR1

    EHD BREAKER 2P, 40 AMP FOR GRAINGER

    $660.96
  • EHD2040A08 | Eaton EHD 2P 40A W/AUX SW 1A1B RH TERM BLK
    Eaton

    EHD2040A08

    EHD 2P 40A W/AUX SW 1A1B RH TERM BLK

    $1,332.38
    $2,220.63
  • EHD2040B06 | Eaton EHD 2P 40A W/AL SW 1A1B RH
    Eaton

    EHD2040B06

    EHD 2P 40A W/AL SW 1A1B RH

    $1,204.18
    $2,006.95
  • EHD2040H08 | Eaton EHD 2P 40A MARINE LABEL
    Eaton

    EHD2040H08

    EHD 2P 40A MARINE LABEL

    $853.54
    $1,422.55
  • EHD2040L | Eaton TYPE EHD BREAKER 2P 40A 480VAC MAX 14KAIC
    Eaton

    EHD2040L

    TYPE EHD BREAKER 2P 40A 480VAC MAX 14KAIC

    $783.43
    $1,305.71
  • EHD2040LA06 | Eaton EHD 2P 40A L&L TERM W/AUX SW 1A1B RH
    Eaton

    EHD2040LA06

    EHD 2P 40A L&L TERM W/AUX SW 1A1B RH

    $1,355.36
    $2,258.95
  • EHD2040LS18 | Eaton EHD 2P 40A L&L TERM W/ SNT1RP03K S/T
    Eaton

    EHD2040LS18

    EHD 2P 40A L&L TERM W/ SNT1RP03K S/T

    $1,893.38
    $3,155.61
  • EHD2040S18 | Eaton EHD 2P 40A W/ST 12-24VAC OR VDC RH
    Eaton

    EHD2040S18

    EHD 2P 40A W/ST 12-24VAC OR VDC RH

    $1,893.38
    $3,155.61
  • EHD2040S21 | Eaton EHD 2P 40A 480VAC W/S/T 48-127VAC OR 48-60VDC RH
    Eaton

    EHD2040S21

    EHD 2P 40A 480VAC W/S/T 48-127VAC OR 48-60VDC RH

    $1,916.39
    $3,193.98
  • EHD2040V | Eaton TYPE EHD BREAKER 2P 40A 480VAC 14KAIC
    Eaton

    EHD2040V

    TYPE EHD BREAKER 2P 40A 480VAC 14KAIC

    $777.95
    $1,296.59
  • EHD2040VH09 | Eaton EHD 2P 40A 50 DEGREE NAVAL APPL
    Eaton

    EHD2040VH09

    EHD 2P 40A 50 DEGREE NAVAL APPL

    $853.54
    $1,422.55
  • EHD2040VWD01 | Eaton TYPE EHD BREAKER 2P 40A T/M 50C W/KEEPER NUTS LINE/LOAD
    Eaton

    EHD2040VWD01

    TYPE EHD BREAKER 2P 40A T/M 50C W/KEEPER NUTS LINE/LOAD

    $944.50
    $1,574.15
  • EHD2045 | EATON Molded Case Circuit Breaker (45 Amp, 2-pole)
    Eaton

    EHD2045

    F-Frame Molded Case Circuit Breaker (45 Amp, 2 pole)

    $777.95
    $1,296.59
  • EHD2045L | Eaton EHD 2P 45A TERM L&L
    Eaton

    EHD2045L

    EHD 2P 45A TERM L&L

    $783.43
    $1,305.71
  • EHD2050 | EATON Molded Case Circuit Breaker (50 Amp, 2-pole)
    Eaton

    EHD2050

    F-Frame Molded Case Circuit Breaker (50 Amp, 2 pole)

    $777.95
    $1,296.59
  • EHD2050-GR1 | Eaton EHD BREAKER 2P, 50 AMP FOR GRAINGER
    Eaton

    EHD2050-GR1

    EHD BREAKER 2P, 50 AMP FOR GRAINGER

    $660.96
  • EHD2050A06 | Eaton EHD 2 Pole 50 Amp W/1A-1B Aux Sw
    Eaton

    EHD2050A06

    EHD 2 Pole 50 Amp W/1A-1B Aux Sw

    $1,308.26
    $2,180.42
  • EHD2050C05 | Eaton EHD 2P 50A W/AUX SW AL SW RH
    Eaton

    EHD2050C05

    EHD 2P 50A W/AUX SW AL SW RH

    $1,727.94
    $2,879.88
  • EHD2050F01 | Eaton EHD, 2 pole, 50A, Freeze test and moisture fungus treatment
    Eaton

    EHD2050F01

    EHD, 2 pole, 50A, Freeze test and moisture fungus treatment

    $1,908.71
    $3,181.18
  • EHD2050H08 | Eaton EHD 2P 50A MARINE LABEL
    Eaton

    EHD2050H08

    EHD 2P 50A MARINE LABEL

    $853.54
    $1,422.55
  • EHD2050L | Eaton TYPE EHD BREAKER 2P 50A 480VAC 14KAIC
    Eaton

    EHD2050L

    TYPE EHD BREAKER 2P 50A 480VAC 14KAIC

    $783.43
    $1,305.71
  • EHD2050S17 | Eaton EHD 2P 50A W/ST 12-24VAC OR VDC RH
    Eaton

    EHD2050S17

    EHD 2P 50A W/ST 12-24VAC OR VDC RH

    $1,893.38
    $3,155.61
  • EHD2050S18 | Eaton EHD 2P 50A W/ST 12-24VAC OR VDC RH
    Eaton

    EHD2050S18

    EHD 2P 50A W/ST 12-24VAC OR VDC RH

    $1,916.39
    $3,193.98
  • EHD2050S21 | Eaton 2P 50A 480V EHD W/48-127VAC OR 48-60VDC RH S/T
    Eaton

    EHD2050S21

    2P 50A 480V EHD W/48-127VAC OR 48-60VDC RH S/T

    $1,916.39
    $3,193.98
  • EHD2050S22 | Eaton EHD 2P 50A W/ST 48-127VAC OR 48-60VDC RH
    Eaton

    EHD2050S22

    EHD 2P 50A W/ST 48-127VAC OR 48-60VDC RH

    $1,916.39
    $3,193.98
  • EHD2050V | Eaton TYPE EHD 2P 50AMP BREAKER FOR 50C AMBIENT
    Eaton

    EHD2050V

    TYPE EHD 2P 50AMP BREAKER FOR 50C AMBIENT

    $777.95
    $1,296.59
  • EHD2050VL | Eaton TYPE EHD 2P 50AMP BREAKER FOR 50C AMBIENT
    Eaton

    EHD2050VL

    TYPE EHD 2P 50AMP BREAKER FOR 50C AMBIENT

    $783.43
    $1,305.71
  • EHD2050W | Eaton EHD 2P 50A W/O TERMINALS
    Eaton

    EHD2050W

    EHD 2P 50A W/O TERMINALS

    $770.28
    $1,283.78

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.