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.

  • B1D1D60 Noark Miniature Circuit Breakers, B1D UL 489, 1P, D Curve, 60A, 10 kA, 125 Vdc, Box Lug
    Noark

    B1D1D60

    Miniature Circuit Breakers, B1D UL 489, 1P, D Curve, 60A, 10 kA, 125 Vdc, Box Lug

    $29.82
  • B1E2P125 Noark Miniature Circuit Breaker (2P, 125A, P-curve, 5kA, 480VAC/125VDC)
    Noark

    B1E2P125

    Miniature Circuit Breaker (2P, 125A, P-curve, 5kA, 480VAC/125VDC)

    $34.82
  • B1E3B20 Noark Supplementary Protectors, B1E UL 1077, 3P, B Curve, 20A, 5 kA, 480 Vac
    Noark

    B1E3B20

    Supplementary Protectors, B1E UL 1077, 3P, B Curve, 20A, 5 kA, 480 Vac

    $41.87
  • B1E3P80 Noark Supplementary Protectors, B1E UL 1077, 3P, 80A, 5 kA, 480V/277 Vac
    Noark

    B1E3P80

    Supplementary Protectors, B1E UL 1077, 3P, 80A, 5 kA, 480V/277 Vac

    $51.37
  • B1N1B20 Noark Miniature Circuit Breakers, B1N UL 489, 1P, B Curve, 20A, 10 kA, 240 Vac / 60 Vdc, Box Lug
    Noark

    B1N1B20

    Miniature Circuit Breakers, B1N UL 489, 1P, B Curve, 20A, 10 kA, 240 Vac / 60 Vdc, Box Lug

    $17.04
  • B1N1C20 Noark Miniature Circuit Breakers, B1N UL 489, 1P, C Curve, 20A, 10 kA, 240 Vac / 60 Vdc, Box Lug
    Noark

    B1N1C20

    Miniature Circuit Breakers, B1N UL 489, 1P, C Curve, 20A, 10 kA, 240 Vac / 60 Vdc, Box Lug

    $14.99
  • B1N1D25 Noark Miniature Circuit Breakers, B1N UL 489, 1P, D Curve, 25A, 10 kA, 240 Vac / 60 Vdc, Box Lug
    Noark

    B1N1D25

    Miniature Circuit Breakers, B1N UL 489, 1P, D Curve, 25A, 10 kA, 240 Vac / 60 Vdc, Box Lug

    $22.70
  • B1N2B1 Noark Miniature Circuit Breakers, B1N UL 489, 2P, B Curve, 1A, 10 kA, 240 Vac / 125 Vdc, Box Lug
    Noark

    B1N2B1

    Miniature Circuit Breakers, B1N UL 489, 2P, B Curve, 1A, 10 kA, 240 Vac / 125 Vdc, Box Lug

    $41.01
  • B1N2B50 Noark Miniature Circuit Breakers, B1N UL 489, 2P, B Curve, 50A, 10 kA, 240 Vac / 125 Vdc, Box Lug
    Noark

    B1N2B50

    Miniature Circuit Breakers, B1N UL 489, 2P, B Curve, 50A, 10 kA, 240 Vac / 125 Vdc, Box Lug

    $35.18
  • B1N2C30 Noark Miniature Circuit Breakers, B1N UL 489, 2P, C Curve, 30A, 10 kA, 240 Vac / 125 Vdc, Box Lug
    Noark

    B1N2C30

    Miniature Circuit Breakers, B1N UL 489, 2P, C Curve, 30A, 10 kA, 240 Vac / 125 Vdc, Box Lug

    $34.65
  • B1N2C60 Noark Miniature Circuit Breakers, B1N UL 489, 2P, C Curve, 60A, 10 kA, 240 Vac / 125 Vdc, Box Lug
    Noark

    B1N2C60

    Miniature Circuit Breakers, B1N UL 489, 2P, C Curve, 60A, 10 kA, 240 Vac / 125 Vdc, Box Lug

    $30.99
    $32.08
  • B1N2D30 Noark Miniature Circuit Breakers, B1N UL 489, 2P, D Curve, 30A, 10 kA, 240 Vac / 125 Vdc, Box Lug
    Noark

    B1N2D30

    Miniature Circuit Breakers, B1N UL 489, 2P, D Curve, 30A, 10 kA, 240 Vac / 125 Vdc, Box Lug

    $34.65
  • B1N3C32 Noark Miniature Circuit Breakers, B1N UL 489, 3P, C Curve, 32A, 10 kA, 240 Vac, Box Lug
    Noark

    B1N3C32

    Miniature Circuit Breakers, B1N UL 489, 3P, C Curve, 32A, 10 kA, 240 Vac, Box Lug

    $38.99
    $53.58
  • BAB1020L1 Eaton BAB Thermal Magnetic Circuit Breaker (20 A, 10 kAIC, Single-pole, 120/240 V)
    Eaton

    BAB1020L1

    BAB Thermal Magnetic Circuit Breaker (20 A, 10 kAIC, Single-pole, 120/240 V)

    $75.99
    $126.66
  • BAB3100HS1 | Eaton BAB 3P 100A BREAKER MAX 240V MAX 10K AIC
    Eaton

    BAB3100HS1

    BAB 3P 100A BREAKER MAX 240V MAX 10K AIC

    $1,413.41
    $2,355.68
  • BD2025 | Eaton TYPE BD DUPLEX BREAKER 1-20A/1P 1-25A/1P 120/240V 10K
    Eaton

    BD2025

    TYPE BD DUPLEX BREAKER 1-20A/1P 1-25A/1P 120/240V 10K

    $130.51
    $242.83
  • BD2515 | Eaton TYPE BD DUPLEX BREAKER 1-25A/1P 1-15A/1P 120/240V 10K
    Eaton

    BD2515

    TYPE BD DUPLEX BREAKER 1-25A/1P 1-15A/1P 120/240V 10K

    $132.49
    $246.49
  • BD4020 | Eaton Type BD Duplex Breaker 1-40A/1P 1-20A/1P 120/240V 10K
    Eaton

    BD4020

    Type BD Duplex Breaker 1-40A/1P 1-20A/1P 120/240V 10K

    $184.95
    $344.08
  • BJHDS3P Eaton Hold-down Screw Kit
    Eaton

    BJHDS3P

    Hold-down Screw Kit

    $53.16
    $98.91
  • BKG2G110 | Eaton EATON MCB KIT, PDG2XG CONVERTIBLE, 110A
    Eaton

    BKG2G110

    EATON MCB KIT, PDG2XG CONVERTIBLE, 110A

    $2,326.14
    $3,169.13
  • BR120H | Eaton Type BR Breaker 20A/1 Pole 120/240V 10K Hi-Mag
    Eaton

    BR120H

    Type BR Breaker 20A/1 Pole 120/240V 10K Hi-Mag

    $59.58
    $110.84
  • BR170 | Eaton Type BR Breaker 70A/1 Pole 120/240V 10K
    Eaton

    BR170

    Type BR Breaker 70A/1 Pole 120/240V 10K

    $112.49
    $209.27
  • BR2135CS | Eaton Clamshell - Type BR Breaker 135A/2 Pole 120/240V 10K
    Eaton

    BR2135CS

    Clamshell - Type BR Breaker 135A/2 Pole 120/240V 10K

    $125.20
    $174.64
  • BR2HT | Eaton BR HANDLE TIE FOR (2) 1 POLE UNITS
    Eaton

    BR2HT

    BR HANDLE TIE FOR (2) 1 POLE UNITS

    $33.96
    $63.21
  • BR3HT | Eaton BR Handle tie for (3) single pole breakers
    Eaton

    BR3HT

    BR Handle tie for (3) single pole breakers

    $33.96
    $63.21
  • BR3RDF1 | Eaton REPLACEMENT INNER COVER FOR BR1020B100RF/BR1224B100R
    Eaton

    BR3RDF1

    REPLACEMENT INNER COVER FOR BR1020B100RF/BR1224B100R

    $436.94
    $613.25
  • BR3RDF13 | Eaton REPLACEMENT INNER COVER FOR BR4040B200R/BR4040N200R
    Eaton

    BR3RDF13

    REPLACEMENT INNER COVER FOR BR4040B200R/BR4040N200R

    $543.65
    $763.02
  • BR3RDF16 Eaton Replacement Inner Cover For 3BR2442L150R
    Eaton

    BR3RDF16

    REPLACEMENT INNER COVER FOR 3BR2442L150R

    $527.00
    $739.64

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.