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.

  • B1E1D1.6 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 1.6A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D1.6

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 1.6A, 5 kA, 277 Vac / 60 Vdc

    $19.99
  • B1E1D10 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 10A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D10

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 10A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D13 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 13A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D13

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 13A, 5 kA, 277 Vac / 60 Vdc

    $16.81
  • B1E1D15 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 15A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D15

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 15A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D16 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 16A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D16

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 16A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D2 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 2A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D2

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 2A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D20 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 20A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D20

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 20A, 5 kA, 277 Vac / 60 Vdc

    $12.62
  • B1E1D25 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 25A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D25

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 25A, 5 kA, 277 Vac / 60 Vdc

    $16.81
  • B1E1D3 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 3A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D3

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 3A, 5 kA, 277 Vac / 60 Vdc

    $18.99
  • B1E1D30 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 30A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D30

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 30A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D32 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 32A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D32

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 32A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D35 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 35A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D35

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 35A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D4 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 4A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D4

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 4A, 5 kA, 277 Vac / 60 Vdc

    $12.62
    $13.30
  • B1E1D40 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 40A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D40

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 40A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D5 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 5A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D5

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 5A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D50 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 50A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D50

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 50A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D6 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 6A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D6

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 6A, 5 kA, 277 Vac / 60 Vdc

    $12.62
    $13.30
  • B1E1D60 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 60A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D60

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 60A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1D63 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 63A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D63

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 63A, 5 kA, 277 Vac / 60 Vdc

    $16.81
  • B1E1D8 Noark Supplementary Protectors, B1E UL 1077, 1P, D Curve, 8A, 5 kA, 277 Vac / 60 Vdc
    Noark

    B1E1D8

    Supplementary Protectors, B1E UL 1077, 1P, D Curve, 8A, 5 kA, 277 Vac / 60 Vdc

    $14.29
  • B1E1P100 Noark Supplementary Protectors, B1E UL 1077, 1P, 100A, 5 kA, 480V/277 Vac
    Noark

    B1E1P100

    Supplementary Protectors, B1E UL 1077, 1P, 100A, 5 kA, 480V/277 Vac

    $19.46
  • B1E1P125 Noark Supplementary Protectors, B1E UL 1077, 1P, 125A, 5 kA, 480V/277 Vac
    Noark

    B1E1P125

    Supplementary Protectors, B1E UL 1077, 1P, 125A, 5 kA, 480V/277 Vac

    $14.60
    $16.22
  • B1E1P80 Noark Supplementary Protectors, B1E UL 1077, 1P, 80A, 5 kA, 480V/277 Vac
    Noark

    B1E1P80

    Supplementary Protectors, B1E UL 1077, 1P, 80A, 5 kA, 480V/277 Vac

    $14.60
    $16.22
  • B1E2B1 Noark Supplementary Protectors, B1E UL 1077, 2P, B Curve, 1A, 5 kA, 480 Vac / 125 Vdc
    Noark

    B1E2B1

    Supplementary Protectors, B1E UL 1077, 2P, B Curve, 1A, 5 kA, 480 Vac / 125 Vdc

    $27.57
  • B1E2B1.6 Noark Supplementary Protectors, B1E UL 1077, 2P, B Curve, 1.6A, 5 kA, 480 Vac / 125 Vdc
    Noark

    B1E2B1.6

    Supplementary Protectors, B1E UL 1077, 2P, B Curve, 1.6A, 5 kA, 480 Vac / 125 Vdc

    $32.44
  • B1E2B10 Noark Supplementary Protectors, B1E UL 1077, 2P, B Curve, 10A, 5 kA, 480 Vac / 125 Vdc
    Noark

    B1E2B10

    Supplementary Protectors, B1E UL 1077, 2P, B Curve, 10A, 5 kA, 480 Vac / 125 Vdc

    $32.44
  • B1E2B13 Noark Supplementary Protectors, B1E UL 1077, 2P, B Curve, 13A, 5 kA, 480 Vac / 125 Vdc
    Noark

    B1E2B13

    Supplementary Protectors, B1E UL 1077, 2P, B Curve, 13A, 5 kA, 480 Vac / 125 Vdc

    $32.44
  • B1E2B15 Noark Supplementary Protectors, B1E UL 1077, 2P, B Curve, 15A, 5 kA, 480 Vac / 125 Vdc
    Noark

    B1E2B15

    Supplementary Protectors, B1E UL 1077, 2P, B Curve, 15A, 5 kA, 480 Vac / 125 Vdc

    $32.44

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.