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.

  • B1NQ2B45T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 45A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2B45T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 45A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $44.27
    $49.19
  • B1NQ2B4T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 4A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2B4T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 4A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $44.27
    $49.19
  • B1NQ2B50T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 50A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2B50T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 50A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $44.27
    $49.19
  • B1NQ2B5T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 5A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2B5T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 5A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $54.01
  • B1NQ2B60T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 60A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2B60T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 60A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $44.27
    $49.19
  • B1NQ2B63T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 63A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2B63T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 63A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $44.27
    $49.19
  • B1NQ2B6T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 6A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2B6T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 6A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $44.27
    $49.19
  • B1NQ2B8T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 8A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2B8T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, B Curve, 8A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $44.27
    $49.19
  • B1NQ2C1.6T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 1.6A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C1.6T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 1.6A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C10T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 10A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C10T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 10A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C13T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 13A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C13T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 13A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C15T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 15A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C15T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 15A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C16T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 16A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C16T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 16A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C1T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 1A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C1T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 1A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C20T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 20A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C20T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 20A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C25T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 25A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C25T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 25A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C2T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 2A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C2T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 2A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C30T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 30A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C30T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 30A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C32T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 32A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C32T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 32A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $55.72
  • B1NQ2C35T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 35A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C35T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 35A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C3T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 3A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C3T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 3A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C40T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 40A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C40T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 40A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C45T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 45A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C45T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 45A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C4T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 4A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C4T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 4A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C5T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 5A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C5T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 5A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C60T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 60A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C60T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 60A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C63T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 63A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C63T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 63A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75
  • B1NQ2C6T Noark Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 6A, 10 kA, 120/240 Vac, Quick Connection, Load Side
    Noark

    B1NQ2C6T

    Miniature Circuit Breakers, B1NQ UL 489, 2P, C Curve, 6A, 10 kA, 120/240 Vac, Quick Connection, Load Side

    $45.68
    $50.75

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.