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.

  • F5S10 | Eaton 120 INCH ND FLEX SHAFT HANDLE MECH - NEMA 1 - 3R - 12
    Eaton

    F5S10

    120 INCH ND FLEX SHAFT HANDLE MECH - NEMA 1 - 3R - 12

    $1,348.49
    $2,247.49
  • F5S10C | Eaton 120 Assy/NEMA 1/3R/12, N Circuit Breaker C371 Flex Shaft Pa
    Eaton

    F5S10C

    120 Assy/NEMA 1/3R/12, N Circuit Breaker C371 Flex Shaft Pa

    $1,348.49
    $2,247.49
  • F5S10CI | Eaton 120 Assy/NEMA 1/3R/12, N Circuit Breaker C371 Flex Shaft Pa
    Eaton

    F5S10CI

    120 Assy/NEMA 1/3R/12, N Circuit Breaker C371 Flex Shaft Pa

    $655.73
    $2,212.43
  • F5S10CX | Eaton 120 Assy/NEMA 4/4X, N Circuit Breaker C371 Flex Shaft Packe
    Eaton

    F5S10CX

    120 Assy/NEMA 4/4X, N Circuit Breaker C371 Flex Shaft Packe

    $1,627.90
    $2,713.15
  • F5S10CXI | Eaton 120 Assy/NEMA 4/4X, N Circuit Breaker C371 Flex Shaft Packe
    Eaton

    F5S10CXI

    120 Assy/NEMA 4/4X, N Circuit Breaker C371 Flex Shaft Packe

    $1,627.90
    $2,713.15
  • F5S10HP | Eaton N-FRAME, NEMA 1, NEMA 3R, NEMA 12, 10 FT, FLEX SHAFT PLASTIC
    Eaton

    F5S10HP

    N-FRAME, NEMA 1, NEMA 3R, NEMA 12, 10 FT, FLEX SHAFT PLASTIC

    $1,186.63
    $1,977.73
  • F5S10HPX | Eaton N-FRAME, NEMA 4, NEMA 4X, 10 FT, FLEX SHAFT PLASTIC
    Eaton

    F5S10HPX

    N-FRAME, NEMA 4, NEMA 4X, 10 FT, FLEX SHAFT PLASTIC

    $1,432.01
    $2,386.67
  • F5S10X | Eaton 120 INCH ND FLEX SHAFT HANDLE MECH - NEMA 4 - 4X
    Eaton

    F5S10X

    120 INCH ND FLEX SHAFT HANDLE MECH - NEMA 4 - 4X

    $1,640.28
    $2,733.78
  • F6S04HP | Eaton R-FRAME, NEMA 1, NEMA 3R, NEMA 12, 4 FT, FLEX SHAFT PLASTIC
    Eaton

    F6S04HP

    R-FRAME, NEMA 1, NEMA 3R, NEMA 12, 4 FT, FLEX SHAFT PLASTIC

    $1,268.09
    $2,113.48
  • F6S04HPX | Eaton R-FRAME, NEMA 4, NEMA 4X, 4 FT, FLEX SHAFT PLASTIC
    Eaton

    F6S04HPX

    R-FRAME, NEMA 4, NEMA 4X, 4 FT, FLEX SHAFT PLASTIC

    $1,463.96
    $2,439.96
  • F6S04X | Eaton R FRAME FLEX SHAFT ASSY 4FT NEMA 4/4X
    Eaton

    F6S04X

    R FRAME FLEX SHAFT ASSY 4FT NEMA 4/4X

    $1,662.95
    $2,771.58
  • F6S05 | Eaton R FRAME FLEX SHAFT ASSY 5FT NEMA 1/3R/12
    Eaton

    F6S05

    R FRAME FLEX SHAFT ASSY 5FT NEMA 1/3R/12

    $715.83
    $2,400.20
  • F6S05HP | Eaton R-FRAME, NEMA 1, NEMA 3R, NEMA 12, 5 FT, FLEX SHAFT PLASTIC
    Eaton

    F6S05HP

    R-FRAME, NEMA 1, NEMA 3R, NEMA 12, 5 FT, FLEX SHAFT PLASTIC

    $1,287.68
    $2,146.13
  • F6S05HPX | Eaton R-FRAME, NEMA 4, NEMA 4X, 5 FT, FLEX SHAFT PLASTIC
    Eaton

    F6S05HPX

    R-FRAME, NEMA 4, NEMA 4X, 5 FT, FLEX SHAFT PLASTIC

    $1,475.31
    $2,458.85
  • F6S05X | Eaton R FRAME FLEX SHAFT ASSY 5FT NEMA 4/4X
    Eaton

    F6S05X

    R FRAME FLEX SHAFT ASSY 5FT NEMA 4/4X

    $1,676.35
    $2,793.91
  • F6S06 | Eaton R FRAME FLEX SHAFT ASSY 6FT NEMA 1/3R/12
    Eaton

    F6S06

    R FRAME FLEX SHAFT ASSY 6FT NEMA 1/3R/12

    $728.39
    $2,434.03
  • F6S06HP | Eaton R-FRAME, NEMA 1, NEMA 3R, NEMA 12, 6 FT, FLEX SHAFT PLASTIC
    Eaton

    F6S06HP

    R-FRAME, NEMA 1, NEMA 3R, NEMA 12, 6 FT, FLEX SHAFT PLASTIC

    $1,306.24
    $2,177.05
  • F6S06HPX | Eaton R-FRAME, NEMA 4, NEMA 4X, 6 FT, FLEX SHAFT PLASTIC
    Eaton

    F6S06HPX

    R-FRAME, NEMA 4, NEMA 4X, 6 FT, FLEX SHAFT PLASTIC

    $1,512.44
    $2,520.72
  • F6S06X | Eaton R FRAME FLEX SHAFT ASSY 6FT NEMA 4/4X
    Eaton

    F6S06X

    R FRAME FLEX SHAFT ASSY 6FT NEMA 4/4X

    $1,718.63
    $2,864.37
  • F7S04 | Eaton MD FLEX SHAFT ASSY 6 FOOT NEMA 1/3R/12
    Eaton

    F7S04

    MD FLEX SHAFT ASSY 6 FOOT NEMA 1/3R/12

    $1,233.04
    $2,055.07
  • F7S05 | Eaton MD FLEX SHAFT ASSY 6 FOOT NEMA 1/3R/12
    Eaton

    F7S05

    MD FLEX SHAFT ASSY 6 FOOT NEMA 1/3R/12

    $1,269.13
    $2,115.21
  • F7S06 | Eaton MD FLEX SHAFT ASSY 6 FOOT NEMA 1/3R/12X12
    Eaton

    F7S06

    MD FLEX SHAFT ASSY 6 FOOT NEMA 1/3R/12X12

    $1,283.55
    $2,139.25
  • FAZ-K0.5/1N | Eaton FAZ-K0,5/1N SUPPLEMENTARY PROTECTOR 1P+N 0.5A K CURVE
    Eaton

    FAZ-K0.5/1N

    FAZ-K0,5/1N SUPPLEMENTARY PROTECTOR 1P+N 0.5A K CURVE

    $48.85
    $507.55
  • FAZ-K0.5/2 | Eaton FAZ-K0,5/2 SUPPLEMENTARY PROTECTOR 2P 0.5A K CURVE
    Eaton

    FAZ-K0.5/2

    FAZ-K0,5/2 SUPPLEMENTARY PROTECTOR 2P 0.5A K CURVE

    $48.85
    $507.55
  • FAZ-K0.5/3 | Eaton FAZ-K0,5/3 SUPPLEMENTARY PROTECTOR 3P 0.5A K CURVE
    Eaton

    FAZ-K0.5/3

    FAZ-K0,5/3 SUPPLEMENTARY PROTECTOR 3P 0.5A K CURVE

    $72.20
    $750.15
  • FAZ-K0.5/3N | Eaton FAZ-K0,5/3N SUPPLEMENTARY PROTECTOR 3P+N 0.5A K CURVE
    Eaton

    FAZ-K0.5/3N

    FAZ-K0,5/3N SUPPLEMENTARY PROTECTOR 3P+N 0.5A K CURVE

    $94.68
    $983.62
  • FAZ-K0.5/4 | Eaton FAZ-K0,5/4 SUPPLEMENTARY PROTECTOR 4P 0.5A K CURVE
    Eaton

    FAZ-K0.5/4

    FAZ-K0,5/4 SUPPLEMENTARY PROTECTOR 4P 0.5A K CURVE

    $108.88
    $1,131.21
  • FAZ-K1.6/1 | Eaton FAZ-K1,6/1 FAZ UL 1077 SUPPLEMENTARY PROTECTOR 1P 1.6A K C
    Eaton

    FAZ-K1.6/1

    FAZ-K1,6/1 FAZ UL 1077 SUPPLEMENTARY PROTECTOR 1P 1.6A K C

    $28.70
    $298.23

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.