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.

  • ELJBN3250W | Eaton Earth Leakage Accessory For FJ 3 Pole 250A Breaker UL
    Eaton

    ELJBN3250W

    Earth Leakage Accessory For FJ 3 Pole 250A Breaker UL

    $2,385.95
    $3,976.59
  • ELJBN4250W | Eaton Earth Leakage Accessory For FJ 4 Pole 250A Breaker UL
    Eaton

    ELJBN4250W

    Earth Leakage Accessory For FJ 4 Pole 250A Breaker UL

    $3,179.31
    $5,298.84
  • ELLBE3400W | Eaton Molded case circuit breaker (3 Pole, 400A)
    Eaton

    ELLBE3400W

    Molded case circuit breaker (3 Pole, 400A)

    $3,243.11
    $5,405.20
  • ELLBE3630W | Eaton Molded case circuit breaker (630A, 3P, 415 Vac)
    Eaton

    ELLBE3630W

    Molded case circuit breaker (630A, 3P, 415 Vac)

    $4,933.90
    $8,223.16
  • ELLBE4400W | Eaton Molded case circuit breaker (4 Pole, 400A)
    Eaton

    ELLBE4400W

    Molded case circuit breaker (4 Pole, 400A)

    $4,303.55
    $7,172.59
  • ELLBE4630W | Eaton Molded case circuit breaker (630A, 4P)
    Eaton

    ELLBE4630W

    Molded case circuit breaker (630A, 4P)

    $6,568.71
    $10,947.86
  • ELLBN3400W | Eaton Molded Case Circuit Breaker Accessory Earth Leakage Module (3 Pole, UL, 400A)
    Eaton

    ELLBN3400W

    Molded Case Circuit Breaker Accessory Earth Leakage Module (3 Pole, UL, 400A)

    $3,243.11
    $5,405.20
  • ELLBN3600W | Eaton Molded case circuit breaker accessory earth leakage module (600A, 3P)
    Eaton

    ELLBN3600W

    Molded case circuit breaker accessory earth leakage module (600A, 3P)

    $5,233.39
    $8,722.30
  • ELLBN4400W | Eaton Molded case circuit breaker (400A, 4P, 120-480 V)
    Eaton

    ELLBN4400W

    Molded case circuit breaker (400A, 4P, 120-480 V)

    $4,303.55
    $7,172.59
  • ELLBN4600W | Eaton Molded Case Circuit Breaker Accessory Earth Leakage Module (4 Pole, UL, 600A)
    Eaton

    ELLBN4600W

    Molded Case Circuit Breaker Accessory Earth Leakage Module (4 Pole, UL, 600A)

    $6,961.46
    $11,602.46
  • EM12-T00-000-DC24V-40A | 508, DM, 40A Distribution Module REX12-T Standard, without Aux
    E-T-A Engineering Technology

    EM12-T00-000-DC24V-40A

    508, DM, 40A Distribution Module REX12-T Standard, without Aux

    $88.52
  • EM12-T00-000-GND-40A | 508, DM, 40A Distribution Module, Standard, GND - 0 V
    E-T-A Engineering Technology

    EM12-T00-000-GND-40A

    508, DM, 40A Distribution Module, Standard, GND - 0 V

    $20.27
  • EM12-T00-100-LINE-40A | 508, DM, 40A Distribution Module, mid/right, Line Connected
    E-T-A Engineering Technology

    EM12-T00-100-LINE-40A

    508, DM, 40A Distribution Module, mid/right, Line Connected

    $82.76
  • EM12-T00-200-LINE-40A | 508, DM, 40A, Distribution Module, Center, Line Seperated
    E-T-A Engineering Technology

    EM12-T00-200-LINE-40A

    508, DM, 40A, Distribution Module, Center, Line Seperated

    $104.61
  • EM12-T00-300-GND-40A | 508, DM, 40A Distribution Module, mid/right, GND - 0 V
    E-T-A Engineering Technology

    EM12-T00-300-GND-40A

    508, DM, 40A Distribution Module, mid/right, GND - 0 V

    $66.67
  • EM12-T01-000-DC24V-40A | 508,DM,40A Entrance Supply module REX12-T
    E-T-A Engineering Technology

    EM12-T01-000-DC24V-40A

    508,DM,40A Entrance Supply module REX12-T

    $74.72
  • EM12-T01-001-DC24V-40A | 508, DM, 40A Entrance Supply module REX12-T
    E-T-A Engineering Technology

    EM12-T01-001-DC24V-40A

    508, DM, 40A Entrance Supply module REX12-T

    $74.72
  • EM12D-TIO-000-DC24V-40A | 508, DM, 40A Supply Module REX12D-T, IOLink
    E-T-A Engineering Technology

    EM12D-TIO-000-DC24V-40A

    508, DM, 40A Supply Module REX12D-T, IOLink

    $287.38
  • EM12D-TMB-000-DC24V-40A | 508, DM, 40A Supply Module, REX12D-T, Modbus
    E-T-A Engineering Technology

    EM12D-TMB-000-DC24V-40A

    508, DM, 40A Supply Module, REX12D-T, Modbus

    $146.46
  • EN203HADNNNNNNC | Eaton MG IEC 3P STD CASS 800-2000A
    Eaton

    EN203HADNNNNNNC

    MG IEC 3P STD CASS 800-2000A

    $5,057.10
  • EN203HADNNNNNWC | Eaton MG IEC 3P STD CASS 800-2000A PREWIRED-HORIZ STABS
    Eaton

    EN203HADNNNNNWC

    MG IEC 3P STD CASS 800-2000A PREWIRED-HORIZ STABS

    $6,804.94
  • EN203HADNSNNNNC | Eaton MG IEC 3P STD CASS 800-2000A-SHUTTERS
    Eaton

    EN203HADNSNNNNC

    MG IEC 3P STD CASS 800-2000A-SHUTTERS

    $6,029.19
  • EN203HADNSNNNWC | Eaton MG IEC 3P STD CASS 800-2000A SHUTTERS-PREWIRED-HORIZ STABS
    Eaton

    EN203HADNSNNNWC

    MG IEC 3P STD CASS 800-2000A SHUTTERS-PREWIRED-HORIZ STABS

    $7,926.24
  • EN203HAXNNNNNNC | Eaton MG IEC 3P STD CASS 800-2000A-NO DR FRM
    Eaton

    EN203HAXNNNNNNC

    MG IEC 3P STD CASS 800-2000A-NO DR FRM

    $4,938.70
  • EN203HAXNNNNNWC | Eaton MG IEC 3P STD CASS 800-2000A-PREWIRED-NO DR FRM
    Eaton

    EN203HAXNNNNNWC

    MG IEC 3P STD CASS 800-2000A-PREWIRED-NO DR FRM

    $5,780.91
  • EN203HAXNSNNNNC | Eaton MG IEC 3P STD CASS 800-2000A-SHUTTERS-NO DR FRM
    Eaton

    EN203HAXNSNNNNC

    MG IEC 3P STD CASS 800-2000A-SHUTTERS-NO DR FRM

    $5,910.78
  • EN203HAXNSNNNWC | Eaton MG IEC 3P STD CASS 800-2000A SHUTTERS-PREWIRED-NO DR FRM
    Eaton

    EN203HAXNSNNNWC

    MG IEC 3P STD CASS 800-2000A SHUTTERS-PREWIRED-NO DR FRM

    $6,754.90
  • EN204HADNNNNNWC | Eaton MG IEC 4P STD CASS 800-2000A PREWIRED-HORIZ STABS
    Eaton

    EN204HADNNNNNWC

    MG IEC 4P STD CASS 800-2000A PREWIRED-HORIZ STABS

    $9,474.91

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.