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.

  • EN633HAXNNNNNWC | Eaton MG IEC 6P DSTD CASS 5000-6300A-PREWIRED-NO DR FRM
    Eaton

    EN633HAXNNNNNWC

    MG IEC 6P DSTD CASS 5000-6300A-PREWIRED-NO DR FRM

    $13,120.20
  • EN633HAXNSNNNNC | Eaton MG IEC 6P DSTD CASS 5000-6300A-SHUTTERS-NO DR FRM
    Eaton

    EN633HAXNSNNNNC

    MG IEC 6P DSTD CASS 5000-6300A-SHUTTERS-NO DR FRM

    $14,332.93
  • EN633HAXNSNNNWC | Eaton MG IEC 6P DSTD CASS 5000-6300A SHUTTERS-PREWIRED-NO DR FRM
    Eaton

    EN633HAXNSNNNWC

    MG IEC 6P DSTD CASS 5000-6300A SHUTTERS-PREWIRED-NO DR FRM

    $15,173.23
  • EN634HADNNNNNWC | Eaton MG IEC 8P DSTD CASS 5000-6300A PREWIRED-HORIZ STABS
    Eaton

    EN634HADNNNNNWC

    MG IEC 8P DSTD CASS 5000-6300A PREWIRED-HORIZ STABS

    $22,051.59
  • EN634HADNSNNNWC | Eaton MG IEC 8P DSTD CASS 5000-6300A SHUTTERS-PREWIRED-HORIZ STABS
    Eaton

    EN634HADNSNNNWC

    MG IEC 8P DSTD CASS 5000-6300A SHUTTERS-PREWIRED-HORIZ STABS

    $25,609.36
  • EN6A3HAXNNNNNNC | Eaton MAGNUM IEC 6300A 6P UN-WIRED CASSETTE
    Eaton

    EN6A3HAXNNNNNNC

    MAGNUM IEC 6300A 6P UN-WIRED CASSETTE

    $12,728.70
  • EN6A3HAXNNNNNWC | Eaton MAGNUM IEC 6300A 6-POLE WIRED CASSETTE
    Eaton

    EN6A3HAXNNNNNWC

    MAGNUM IEC 6300A 6-POLE WIRED CASSETTE

    $12,728.70
  • EN6A4HAXNNNNNNC | Eaton MAGNUM IEC 6300A 8-POLE UN-WIRED CASSETTE
    Eaton

    EN6A4HAXNNNNNNC

    MAGNUM IEC 6300A 8-POLE UN-WIRED CASSETTE

    $16,977.96
  • EN6A4HAXNNNNNWC | Eaton MAGNUM IEC 6300A 8-POLE WIRED CASSETTE
    Eaton

    EN6A4HAXNNNNNWC

    MAGNUM IEC 6300A 8-POLE WIRED CASSETTE

    $16,977.96
  • EOPFJ24D | Eaton Molded case circuit breaker accessory motor operator
    Eaton

    EOPFJ24D

    Molded case circuit breaker accessory motor operator

    $1,902.03
    $2,172.64
  • EPD-BB500 | ABB Busbar
    ABB

    EPD-BB500

    Busbar

    $47.50
    $150.57
  • EPD-SB21 | ABB Signal Bar
    ABB

    EPD-SB21

    Signal Bar

    $47.50
    $150.57
  • EPD24-TB-101-0.5A | ABB Protection Devices for DC Load Circuits (0.5A)
    ABB

    EPD24-TB-101-0.5A

    Protection Devices for DC Load Circuits (0.5A)

    $129.90
    $411.74
  • EPD24-TB-101-10A | ABB Protection Devices for DC Load Circuits (10A)
    ABB

    EPD24-TB-101-10A

    Protection Devices for DC Load Circuits (10A)

    $129.90
    $411.74
  • EPD24-TB-101-12A | ABB Protection Devices for DC Load Circuits (12A)
    ABB

    EPD24-TB-101-12A

    Protection Devices for DC Load Circuits (12A)

    $129.90
    $411.74
  • EPD24-TB-101-1A | ABB Protection Devices for DC Load Circuits (1A)
    ABB

    EPD24-TB-101-1A

    Protection Devices for DC Load Circuits (1A)

    $129.90
    $411.74
  • EPD24-TB-101-2A | ABB Protection Devices for DC Load Circuits (2A)
    ABB

    EPD24-TB-101-2A

    Protection Devices for DC Load Circuits (2A)

    $129.90
    $411.74
  • EPD24-TB-101-3A | ABB Protection Devices for DC Load Circuits (3A)
    ABB

    EPD24-TB-101-3A

    Protection Devices for DC Load Circuits (3A)

    $129.90
    $411.74
  • EPD24-TB-101-4A | ABB Protection Devices for DC Load Circuits (4A)
    ABB

    EPD24-TB-101-4A

    Protection Devices for DC Load Circuits (4A)

    $129.90
    $411.74
  • EPD24-TB-101-6A | ABB Protection Devices for DC Load Circuits (6A)
    ABB

    EPD24-TB-101-6A

    Protection Devices for DC Load Circuits (6A)

    $129.90
    $411.74
  • EPD24-TB-101-8A | ABB Protection Devices for DC Load Circuits (8A)
    ABB

    EPD24-TB-101-8A

    Protection Devices for DC Load Circuits (8A)

    $129.90
    $411.74
  • ESS30-S003-DC24V-0.5A | 1077, 1P, plug, 24VDC, Aux Cont, 0.5A
    E-T-A Engineering Technology

    ESS30-S003-DC24V-0.5A

    1077, 1P, plug, 24VDC, Aux Cont, 0.5A

    $258.64
  • ESS30-S003-DC24V-10A | 1077, 1P, plug, 24VDC, Aux Cont, 10A
    E-T-A Engineering Technology

    ESS30-S003-DC24V-10A

    1077, 1P, plug, 24VDC, Aux Cont, 10A

    $134.32
  • ESS30-S003-DC24V-1A | 1077, 1P, plug, 24VDC, Aux Cont, 1A
    E-T-A Engineering Technology

    ESS30-S003-DC24V-1A

    1077, 1P, plug, 24VDC, Aux Cont, 1A

    $258.64
  • ESS30-S003-DC24V-1A/2A | 1077, 1P, plug, 24VDC, Aux Cont, 1A/2A
    E-T-A Engineering Technology

    ESS30-S003-DC24V-1A/2A

    1077, 1P, plug, 24VDC, Aux Cont, 1A/2A

    $258.64
  • ESS30-S003-DC24V-2A | 1077, 1P, plug, 24VDC, Aux Cont, 2A
    E-T-A Engineering Technology

    ESS30-S003-DC24V-2A

    1077, 1P, plug, 24VDC, Aux Cont, 2A

    $134.32
  • ESS30-S003-DC24V-3.6A | 1077, 1P, Plug 24VDC, Aux Cont, 3.6A
    E-T-A Engineering Technology

    ESS30-S003-DC24V-3.6A

    1077, 1P, Plug 24VDC, Aux Cont, 3.6A

    $258.64
  • ESS30-S003-DC24V-3A | 1077, 1P, plug, 24VDC, Aux Cont, 3A
    E-T-A Engineering Technology

    ESS30-S003-DC24V-3A

    1077, 1P, plug, 24VDC, Aux Cont, 3A

    $258.64

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.