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.

  • CHKDB3400FT32B20ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSI HLA ZSI
    Eaton

    CHKDB3400FT32B20ZGW

    CHKDB 65K 310+ BRK R F 3P 400A LSI HLA ZSI

    $14,611.11
    $24,351.86
  • CHKDB3400FT32W | Eaton CHKDB 65K 310+ SEALED - REV FEED 3P 400A LSI
    Eaton

    CHKDB3400FT32W

    CHKDB 65K 310+ SEALED - REV FEED 3P 400A LSI

    $13,351.08
    $22,251.78
  • CHKDB3400FT32ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSI ZSI
    Eaton

    CHKDB3400FT32ZGW

    CHKDB 65K 310+ BRK R F 3P 400A LSI ZSI

    $13,833.16
    $23,055.28
  • CHKDB3400FT33B20W | Eaton CHKDB 65K 310+ BRK R F 3P 400A LS HLA
    Eaton

    CHKDB3400FT33B20W

    CHKDB 65K 310+ BRK R F 3P 400A LS HLA

    $13,077.15
    $21,795.24
  • CHKDB3400FT33W | Eaton CHKDB 65K 310+ SEALED - REV FEED 3P 400A LS
    Eaton

    CHKDB3400FT33W

    CHKDB 65K 310+ SEALED - REV FEED 3P 400A LS

    $12,293.71
    $20,489.52
  • CHKDB3400FT35B20W | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSG HLA
    Eaton

    CHKDB3400FT35B20W

    CHKDB 65K 310+ BRK R F 3P 400A LSG HLA

    $15,679.43
    $26,132.38
  • CHKDB3400FT35B21W | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSG GFA
    Eaton

    CHKDB3400FT35B21W

    CHKDB 65K 310+ BRK R F 3P 400A LSG GFA

    $15,536.99
    $25,894.98
  • CHKDB3400FT35B22W | Eaton CHKDB 65K 310+ BRK R F 3P 400A LS(A) GFA NO TRIP
    Eaton

    CHKDB3400FT35B22W

    CHKDB 65K 310+ BRK R F 3P 400A LS(A) GFA NO TRIP

    $15,641.08
    $26,068.46
  • CHKDB3400FT35W | Eaton CHKDB 65K 310+ SEALED - REV FEED 3P 400A LSG
    Eaton

    CHKDB3400FT35W

    CHKDB 65K 310+ SEALED - REV FEED 3P 400A LSG

    $14,895.99
    $24,826.66
  • CHKDB3400FT36B20W | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSIG HLA
    Eaton

    CHKDB3400FT36B20W

    CHKDB 65K 310+ BRK R F 3P 400A LSIG HLA

    $16,725.81
    $27,876.35
  • CHKDB3400FT36B20ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSIG HLA ZSI
    Eaton

    CHKDB3400FT36B20ZGW

    CHKDB 65K 310+ BRK R F 3P 400A LSIG HLA ZSI

    $17,202.44
    $28,670.73
  • CHKDB3400FT36B21W | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSIG GFA
    Eaton

    CHKDB3400FT36B21W

    CHKDB 65K 310+ BRK R F 3P 400A LSIG GFA

    $16,577.90
    $27,629.82
  • CHKDB3400FT36B21ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSIG GFA ZSI
    Eaton

    CHKDB3400FT36B21ZGW

    CHKDB 65K 310+ BRK R F 3P 400A LSIG GFA ZSI

    $17,060.00
    $28,433.33
  • CHKDB3400FT36B22W | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSI(A) GFA NO TRIP
    Eaton

    CHKDB3400FT36B22W

    CHKDB 65K 310+ BRK R F 3P 400A LSI(A) GFA NO TRIP

    $16,742.24
    $27,903.74
  • CHKDB3400FT36B22ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSI(A) GFA NO TRIP ZSI
    Eaton

    CHKDB3400FT36B22ZGW

    CHKDB 65K 310+ BRK R F 3P 400A LSI(A) GFA NO TRIP ZSI

    $17,218.88
    $28,698.12
  • CHKDB3400FT36W | Eaton CHKDB 65K 310+ SEALED - REV FEED 3P 400A LSIG
    Eaton

    CHKDB3400FT36W

    CHKDB 65K 310+ SEALED - REV FEED 3P 400A LSIG

    $15,942.39
    $26,570.65
  • CHKDB3400FT36ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A LSIG ZSI
    Eaton

    CHKDB3400FT36ZGW

    CHKDB 65K 310+ BRK R F 3P 400A LSIG ZSI

    $16,419.03
    $27,365.03
  • CHKDB3400FT38B20W | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSI MM HLA
    Eaton

    CHKDB3400FT38B20W

    CHKDB 65K 310+ BRK R F 3P 400A ALSI MM HLA

    $16,046.48
    $26,744.14
  • CHKDB3400FT38B20ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSI MM HLA ZSI
    Eaton

    CHKDB3400FT38B20ZGW

    CHKDB 65K 310+ BRK R F 3P 400A ALSI MM HLA ZSI

    $16,528.60
    $27,547.66
  • CHKDB3400FT38W | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSI MM
    Eaton

    CHKDB3400FT38W

    CHKDB 65K 310+ BRK R F 3P 400A ALSI MM

    $15,268.55
    $25,447.58
  • CHKDB3400FT38ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSI MM ZSI
    Eaton

    CHKDB3400FT38ZGW

    CHKDB 65K 310+ BRK R F 3P 400A ALSI MM ZSI

    $15,745.16
    $26,241.95
  • CHKDB3400FT39B20W | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSIG MM HLA
    Eaton

    CHKDB3400FT39B20W

    CHKDB 65K 310+ BRK R F 3P 400A ALSIG MM HLA

    $18,637.81
    $31,063.02
  • CHKDB3400FT39B20ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSIG MM HLA ZSI
    Eaton

    CHKDB3400FT39B20ZGW

    CHKDB 65K 310+ BRK R F 3P 400A ALSIG MM HLA ZSI

    $19,119.91
    $31,866.52
  • CHKDB3400FT39B21W | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSIG MM GFA
    Eaton

    CHKDB3400FT39B21W

    CHKDB 65K 310+ BRK R F 3P 400A ALSIG MM GFA

    $18,495.36
    $30,825.62
  • CHKDB3400FT39B21ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSIG MM GFA ZSI
    Eaton

    CHKDB3400FT39B21ZGW

    CHKDB 65K 310+ BRK R F 3P 400A ALSIG MM GFA ZSI

    $18,972.00
    $31,619.99
  • CHKDB3400FT39B22W | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSI(A) MM GFA NO TRIP
    Eaton

    CHKDB3400FT39B22W

    CHKDB 65K 310+ BRK R F 3P 400A ALSI(A) MM GFA NO TRIP

    $18,747.38
    $31,245.63
  • CHKDB3400FT39B22ZGW | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSI(A) MM GFA NO TRIP ZSI
    Eaton

    CHKDB3400FT39B22ZGW

    CHKDB 65K 310+ BRK R F 3P 400A ALSI(A) MM GFA NO TRIP ZSI

    $19,229.49
    $32,049.14
  • CHKDB3400FT39W | Eaton CHKDB 65K 310+ BRK R F 3P 400A ALSIG MM
    Eaton

    CHKDB3400FT39W

    CHKDB 65K 310+ BRK R F 3P 400A ALSIG MM

    $17,854.38
    $29,757.29

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.