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.

  • UMBW-4B1-3 | Mini Circuit Breaker, 3 Amp, 1 Pole, B Curve
    Weg

    UMBW-4B1-3

    Mini Circuit Breaker, 3 Amp, 1 Pole, B Curve

  • UMBW-4C2-20 | Mini Circuit Breaker (20 Amp) | Weg
    Weg

    UMBW-4C2-20

    Mini Circuit Breaker, 20 Amp, 2 Pole, C Curve

    $50.29
    $107.00
  • UMBW-4C2-40 | Mini Circuit Breaker | Weg
    Weg

    UMBW-4C2-40

    Mini Circuit Breaker, 40 Amp, 2 Pole, C Curve

    $50.29
    $107.00
  • UMBW-4D1-5 | Mini Circuit Breaker, 5 Amp, 1 Pole, D Curve
    Weg

    UMBW-4D1-5

    Mini Circuit Breaker, 5 Amp, 1 Pole, D Curve

    $24.91
    $53.00
  • UMBW-4D2-2 | Mini Circuit Breaker, 2 Amp, 2 Pole, D Curve
    Weg

    UMBW-4D2-2

    Mini Circuit Breaker, 2 Amp, 2 Pole, D Curve

    $50.29
    $107.00
  • UMBW-4D2-3 | Mini Circuit Breaker, 3 Amp, 2 Pole, D Curve
    Weg

    UMBW-4D2-3

    Mini Circuit Breaker, 3 Amp, 2 Pole, D Curve

    $50.29
    $107.00
  • UMBW-4D2-8 | Mini Circuit Breaker | Weg
    Weg

    UMBW-4D2-8

    Mini Circuit Breaker, 8 Amp, 2 Pole, D Curve

    $50.29
    $107.00
  • XT2HU3125BFF000XXX ABB Moulded Case Circuit Breaker (3P, 125 A, 600 V)
    ABB

    XT2HU3125BFF000XXX

    Moulded Case Circuit Breaker (3P, 125 A, 600 V)

    $1,246.88
    $4,281.11
  • XT4HU3060JFF000XXX | ABB Xt4H 250 Ekip I In=60A 3P F F Mcp-U
    ABB

    XT4HU3060JFF000XXX

    Xt4H 250 Ekip I In=60A 3P F F Mcp-U

    $915.79
    $1,409.87
  • XT4HU3150AFF000XXX | ABB Xt4H 250 Tmf 150-1500 3P F F Ul/Csa
    ABB

    XT4HU3150AFF000XXX

    Xt4H 250 Tmf 150-1500 3P F F Ul/Csa

    $1,451.49
    $4,983.66
  • XT4LU3200BFJ000XXX | ABB Xt4L 250 Tma 200 1000..2000 3P Ff U
    ABB

    XT4LU3200BFJ000XXX

    Xt4L 250 Tma 200 1000..2000 3P Ff U

    $2,009.75
    $12,057.18
  • XT4SQ3250EFF000XXX | ABB Xt4S 250 Ekip Ls/I In=250A 3P F F U
    ABB

    XT4SQ3250EFF000XXX

    Xt4S 250 Ekip Ls/I In=250A 3P F F U

    $1,515.99
    $5,205.12
  • XT4VU3100JFF000XXX | ABB Xt4V 250 Ekip I In=100A 3P Ff Mcp-U
    ABB

    XT4VU3100JFF000XXX

    Xt4V 250 Ekip I In=100A 3P Ff Mcp-U

    $1,717.21
    $5,459.95
  • XT5NU340AEFF000XXX | ABB Xt5N 400 Ekip Dip Ls/I 400 3P Ff Ul
    ABB

    XT5NU340AEFF000XXX

    Xt5N 400 Ekip Dip Ls/I 400 3P Ff Ul

    $1,723.25
    $5,916.73
  • XT6NU3600EFF000XXX | ABB Xt6N 800 Ekip Dip Ls/I 600 3P Ff Ul
    ABB

    XT6NU3600EFF000XXX

    Xt6N 800 Ekip Dip Ls/I 600 3P Ff Ul

    $2,676.90
    $16,059.68
  • XT7HU310DDFF000XXX ABB Molded Case Circuit Breaker (3 Pole, 1000 Amps, 65kA @ 480VAC)
    ABB

    XT7HU310DDFF000XXX

    Molded Case Circuit Breaker (3 Pole, 1000 Amps, 65kA @ 480VAC)

    $3,567.75
    $18,703.37
  • ZLS201E18 | ABB Busbar
    ABB

    ZLS201E18

    Busbar

    $19.04
    $20.98
  • ZLS201E22 | ABB Busbar
    ABB

    ZLS201E22

    Busbar

    $22.21
    $24.48
  • ZLS201E8 | ABB Busbar
    ABB

    ZLS201E8

    Busbar

    $13.49
    $14.87
  • 10-9937-2 | Eaton Shunt Kit
    Eaton

    10-9937-2

    Shunt Kit

    $4,874.54
    $5,659.85
  • 100FBP06 | Eaton Type Fb Tri-Pac Current Limiter__(One Required Per Pole)
    Eaton

    100FBP06

    Type Fb Tri-Pac Current Limiter__(One Required Per Pole)

    $977.51
    $1,629.18
  • 103119-001 | Eaton Hyb Assy 1420A, Tested
    Eaton

    103119-001

    Hyb Assy 1420A, Tested

    $210.35

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 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.