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.

Need help finding the correct circuit breaker? Contact us.

  • B1H1B3 Noark Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 3A, 10 kA, 277 Vac, Box Lug

    B1H1B3

    $19.92
    Miniature Circuit Breakers, B1H UL 489, 1P, B Curve, 3A, 10 kA, 277 Vac, Box Lug
  • B1H2C16 Noark Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 16A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2C16

    $39.93
    Miniature Circuit Breakers, B1H UL 489, 2P, C Curve, 16A, 10 kA, 480Y/277 Vac, Box Lug
  • B1H3D5 Noark Miniature Circuit Breakers, B1H UL 489, 3P, D Curve, 5A, 10 kA, 480Y/277 Vac, Box Lug

    B1H3D5

    $59.84
    $59.85
    Miniature Circuit Breakers, B1H UL 489, 3P, D Curve, 5A, 10 kA, 480Y/277 Vac, Box Lug
  • BRS125CLX Eaton Sub Feed Lug (2 Pole, 125 Amps, #6-2/0 Wire Size)

    BRS125CLX

    $112.53
    $166.89
    Sub Feed Lug (2 Pole, 125 Amps, #6-2/0 Wire Size)
  • CH250GFT | Eaton TYPE CH 5 MA GFI BREAKER 50A/2 POLE 120/240V 10K_SELF TEST

    CH250GFT

    $415.34
    $849.99
    TYPE CH 5 MA GFI BREAKER 50A/2 POLE 120/240V 10K_SELF TEST
  • DWB100JE40-3DX | Weg Circuit Breaker (40 Amps, 3 Poles, 14 KA, 480Y/277V)

    DWB100JE40-3DX

    $214.27
    $558.00
    Circuit Breaker (40 Amps, 3 Poles, 14 KA, 480Y/277V)
  • EGFS02HPX | Eaton EG HP FLEXIBLE SHAFT 2 FT 4/4X

    EGFS02HPX

    $728.24
    $1,244.09
    EG HP FLEXIBLE SHAFT 2 FT 4/4X
  • F2S04CX | Eaton J Frame Flexible Shaft Length 4FT Nema 4,4X

    F2S04CX

    $1,018.82
    $1,740.47
    J Frame Flexible Shaft Length 4FT Nema 4,4X
  • F4S10HP | Eaton L- AND MDL-FRAME, NEMA 1/3R/12 10ft. FLEX SHAFT PLASTIC

    F4S10HP

    $707.89
    $1,209.32
    L- AND MDL-FRAME, NEMA 1/3R/12 10ft. FLEX SHAFT PLASTIC
  • F5S06CI | Eaton 72 Assy/NEMA 1/3R/12, N Circuit Breaker C371 Flex Shaft Pac

    F5S06CI

    $576.55
    $2,153.24
    72 Assy/NEMA 1/3R/12, N Circuit Breaker C371 Flex Shaft Pac
  • F6S04 | Eaton R FRAME FLEX SHAFT ASSY 4FT NEMA 1/3R/12

    F6S04

    $661.55
    $2,364.68
    R FRAME FLEX SHAFT ASSY 4FT NEMA 1/3R/12
  • NS2-160-NA | Eaton UL/CSA/IEC MOLDED CASE SW 160A 3P SCR TERM.

    NS2-160-NA

    $1,505.97
    $3,802.96
    UL/CSA/IEC MOLDED CASE SW 160A 3P SCR TERM.
  • S801UE-K30 | ABB Miniature circuit breaker (22kA, 30A, 1P)

    S801UE-K30

    $107.02
    $115.89
    Miniature circuit breaker (22kA, 30A, 1P)
  • ST201M-K32 | ABB Miniature Circuit Breaker (10kA, 32A, 1P)

    ST201M-K32

    $28.28
    $101.54
    Miniature Circuit Breaker (10kA, 32A, 1P)
  • ST202M-D25 | ABB Miniature Circuit Breaker (10kA, 25A, 2P)

    ST202M-D25

    $69.73
    $250.34
    Miniature Circuit Breaker (10kA, 25A, 2P)
  • ST203M-C25 | ABB Miniature Circuit Breaker (10kA, 25A, 3P)

    ST203M-C25

    $105.38
    $378.32
    Miniature Circuit Breaker (10kA, 25A, 3P)
  • ST203M-D20 | ABB Miniature Circuit Breaker (10kA, 20A, 3P)

    ST203M-D20

    $105.38
    $378.32
    Miniature Circuit Breaker (10kA, 20A, 3P)
  • SU202M-C40 | ABB Miniature Circuit Breaker (10kA, 40A, 2P)

    SU202M-C40

    $82.90
    $297.65
    Miniature Circuit Breaker (10kA, 40A, 2P)
  • SU202M-K50 | ABB Miniature Circuit Breaker (10kA, 50A, 2P)

    SU202M-K50

    $90.52
    $325.00
    Miniature Circuit Breaker (10kA, 50A, 2P)
  • SU203M-K10 | ABB Miniature Circuit Breaker (10kA, 10A, 3P)

    SU203M-K10

    $119.51
    $429.06
    Miniature Circuit Breaker (10kA, 10A, 3P)
  • SU203ML-K50 | ABB Miniature Circuit Breaker (10kA, 50A, 3P)

    SU203ML-K50

    $179.68
    $491.25
    Miniature Circuit Breaker (10kA, 50A, 3P)
  • 16RES08T | Eaton Type Res Circuit Bkr Rating Plug Assembly

    16RES08T

    $368.90
    $630.21
    Type Res Circuit Bkr Rating Plug Assembly
  • B1H2B2 Noark Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 2A, 10 kA, 480Y/277 Vac, Box Lug

    B1H2B2

    $38.93
    Miniature Circuit Breakers, B1H UL 489, 2P, B Curve, 2A, 10 kA, 480Y/277 Vac, Box Lug
  • BR110 | Eaton Type BR Breaker 10A/1 Pole 120/240V 10K

    BR110

    $43.49
    $82.92
    Type BR Breaker 10A/1 Pole 120/240V 10K
  • BR230H | Eaton TYPE BR 2 pole 30 amp 240v

    BR230H

    $122.94
    $234.45
    TYPE BR 2 pole 30 amp 240v
  • CCL300 | Eaton CC/CHH Main Breaker Lug Kit 1-300MCM

    CCL300

    $16.31
    $93.28
    CC/CHH Main Breaker Lug Kit 1-300MCM
  • EGGDDIN | Eaton DIN RAIL ADAPTER FOR EG AND GD FRAME BREAKERS

    EGGDDIN

    $16.72
    $59.21
    DIN RAIL ADAPTER FOR EG AND GD FRAME BREAKERS
  • EHC12-UBW225 | Weg Handle + Mechanism + Shaft 12" (fits UBW225 breakers)

    EHC12-UBW225

    $147.46
    $384.00
    Handle + Mechanism + Shaft 12" (fits UBW225 breakers)
  • FAZ-C2/1-NA-L-SP Eaton Industrial Miniature Circuit Breaker (2 A, 10 kAIC, Single-pole, 277 V)

    FAZ-C2/1-NA-L-SP

    $24.99
    $108.93
    Industrial Miniature Circuit Breaker (2 A, 10 kAIC, Single-pole, 277 V)
  • GPLKOFFBP100 | Eaton G Frame Lockoff (Lockable In The Off Position Only- 1,2,3 P)

    GPLKOFFBP100

    $31.00
    $52.95
    G Frame Lockoff (Lockable In The Off Position Only- 1,2,3 P)

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.