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.

  • F3S09CXI | Eaton K Frame C371 Flex Shaft Handle Mechanism 9ft International
    Eaton

    F3S09CXI

    K Frame C371 Flex Shaft Handle Mechanism 9ft International

    $1,283.55
    $2,139.25
  • F3S09HP | Eaton K-FRAME, NEMA 1, NEMA 3R, NEMA 12, 9 FT, FLEX SHAFT PLASTIC
    Eaton

    F3S09HP

    K-FRAME, NEMA 1, NEMA 3R, NEMA 12, 9 FT, FLEX SHAFT PLASTIC

    $958.80
    $1,598.00
  • F3S09HPX | Eaton K-FRAME, NEMA 4/4X, 9 FT, FLEX SHAFT PLASTIC
    Eaton

    F3S09HPX

    K-FRAME, NEMA 4/4X, 9 FT, FLEX SHAFT PLASTIC

    $1,128.91
    $1,881.51
  • F3S10C | Eaton K Frame C371 Flex Shaft Handle Mechanism -10ft Nema 1
    Eaton

    F3S10C

    K Frame C371 Flex Shaft Handle Mechanism -10ft Nema 1

    $1,112.40
    $1,854.01
  • F3S10CI | Eaton K Frame C371 Flex Shaft Handle Mechanism -10ft International
    Eaton

    F3S10CI

    K Frame C371 Flex Shaft Handle Mechanism -10ft International

    $1,112.40
    $1,854.01
  • F3S10CX | Eaton K Frame C371 Flex Shaft Handle Mechanism -10ft Nema 4/4X
    Eaton

    F3S10CX

    K Frame C371 Flex Shaft Handle Mechanism -10ft Nema 4/4X

    $1,289.74
    $2,149.57
  • F3S10CXI | Eaton K Frame C371 Flex Shaft Handle Mechanism -10ft International
    Eaton

    F3S10CXI

    K Frame C371 Flex Shaft Handle Mechanism -10ft International

    $1,289.74
    $2,149.57
  • F3S10HP | Eaton K-FRAME, NEMA 1, NEMA 3R, NEMA 12, 10 FT, FLEX SHAFT PLASTIC
    Eaton

    F3S10HP

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

    $979.41
    $1,632.36
  • F3S10HPX | Eaton K-FRAME, NEMA 4, NEMA 4X, 10 FT, FLEX SHAFT PLASTIC
    Eaton

    F3S10HPX

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

    $1,135.10
    $1,891.82
  • F4S04 | Eaton For Use With L & MDL FRAME FLEX SHAFT ASSY 4FT NEMA 1/3R/12
    Eaton

    F4S04

    For Use With L & MDL FRAME FLEX SHAFT ASSY 4FT NEMA 1/3R/12

    $1,210.36
    $2,017.27
  • F4S04C | Eaton 48V Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft
    Eaton

    F4S04C

    48V Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft

    $1,210.36
    $2,017.27
  • F4S04CI | Eaton 48 Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft
    Eaton

    F4S04CI

    48 Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft

    $1,210.36
    $2,017.27
  • F4S04CX | Eaton 48 Assy/NEMA 4/4X, L & M Circuit Breaker C371 Flex Shaft Pa
    Eaton

    F4S04CX

    48 Assy/NEMA 4/4X, L & M Circuit Breaker C371 Flex Shaft Pa

    $1,453.66
    $2,422.77
  • F4S04CXI | Eaton 48 Assy/NEMA 4/4X, L & M Circuit Breaker C371 Flex Shaft Pa
    Eaton

    F4S04CXI

    48 Assy/NEMA 4/4X, L & M Circuit Breaker C371 Flex Shaft Pa

    $1,453.66
    $2,422.77
  • F4S04HPX | Eaton L- AND MDL-FRAME, NEMA 4, NEMA 4X, 4 FT, FLEX SHAFT PLASTIC
    Eaton

    F4S04HPX

    L- AND MDL-FRAME, NEMA 4, NEMA 4X, 4 FT, FLEX SHAFT PLASTIC

    $1,279.43
    $2,132.38
  • F4S04X | Eaton For Use With L & MDL FRAME FLEX SHAFT ASSY 4FT NEMA 4/4X
    Eaton

    F4S04X

    For Use With L & MDL FRAME FLEX SHAFT ASSY 4FT NEMA 4/4X

    $1,397.99
    $2,329.98
  • F4S05 | Eaton For Use With L & MDL FRAME FLEX SHAFT ASSY 5FT NEMA 1/3R/12
    Eaton

    F4S05

    For Use With L & MDL FRAME FLEX SHAFT ASSY 5FT NEMA 1/3R/12

    $1,227.88
    $2,046.48
  • F4S05C | Eaton 60 Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft
    Eaton

    F4S05C

    60 Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft

    $1,227.88
    $2,046.48
  • F4S05CI | Eaton 60 Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft
    Eaton

    F4S05CI

    60 Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft

    $1,227.88
    $2,046.48
  • F4S05CX | Eaton 60 Assy/NEMA 4/4X, L & M Circuit Breaker C371 Flex Shaft Pa
    Eaton

    F4S05CX

    60 Assy/NEMA 4/4X, L & M Circuit Breaker C371 Flex Shaft Pa

    $1,470.15
    $2,450.24
  • F4S05CXI | Eaton 60 Assy/NEMA 4/4X, L & M Circuit Breaker C371 Flex Shaft Pa
    Eaton

    F4S05CXI

    60 Assy/NEMA 4/4X, L & M Circuit Breaker C371 Flex Shaft Pa

    $1,470.15
    $2,450.24
  • F4S05HP | Eaton L- AND MDL-FRAME, NEMA 1/3R/12 5 ft. FLEX SHAFT PLASTIC
    Eaton

    F4S05HP

    L- AND MDL-FRAME, NEMA 1/3R/12 5 ft. FLEX SHAFT PLASTIC

    $1,105.20
    $1,842.00
  • F4S05HPX | Eaton L- AND MDL-FRAME, NEMA 4, NEMA 4X, 5 FT, FLEX SHAFT PLASTIC
    Eaton

    F4S05HPX

    L- AND MDL-FRAME, NEMA 4, NEMA 4X, 5 FT, FLEX SHAFT PLASTIC

    $1,293.86
    $2,156.43
  • F4S05X | Eaton For Use With L & MDL FRAME FLEX SHAFT ASSY 5FT NEMA 4/4X
    Eaton

    F4S05X

    For Use With L & MDL FRAME FLEX SHAFT ASSY 5FT NEMA 4/4X

    $1,419.64
    $2,366.07
  • F4S06 | Eaton For Use With L & MDL FRAME FLEX SHAFT ASSY 6FT NEMA 1/3R/12
    Eaton

    F4S06

    For Use With L & MDL FRAME FLEX SHAFT ASSY 6FT NEMA 1/3R/12

    $1,255.73
    $2,092.86
  • F4S06C | Eaton 72 Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft
    Eaton

    F4S06C

    72 Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft

    $1,255.73
    $2,092.86
  • F4S06CI | Eaton 72 Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft
    Eaton

    F4S06CI

    72 Assy/NEMA 1/3R/12, L & M Circuit Breaker C371 Flex Shaft

    $1,255.73
    $2,092.86
  • F4S06CX | Eaton 72 Assy/NEMA 4/4X, L & M Circuit Breaker C371 Flex Shaft Pa
    Eaton

    F4S06CX

    72 Assy/NEMA 4/4X, L & M Circuit Breaker C371 Flex Shaft Pa

    $1,498.00
    $2,496.66

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.