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.

Weg

AL-UBW400

Alarm Switch, Fits UBW400 Breakers

$213.89

MSRP:

$557.00
Weg

AL-UBW800

Alarm Switch, Fits UBW600/800 Breakers

$268.42

MSRP:

$699.00
Eaton

ALM1M1BEPK

Molded Case Circuit Breaker Accessory Alarm Switch

$176.09

MSRP:

$586.94
Eaton

ALM1M1BJPK

SINGLE ALARM SWITCH

$176.09

MSRP:

$586.94
Eaton

ALM2M2BEPK

Double Alarm Switch

$348.61

MSRP:

$1,162.04
Eaton

ALM2M2BJPK

Double Alarm Switch

$348.61

MSRP:

$1,162.04
ABB

AST 35/15-1 CB

Busbar Feeder

$13.40

MSRP:

$42.48
ABB

AST 35/15-2 CB

Busbar Feeder

$13.53

MSRP:

$42.86
ABB

AST 35/38-1 CB

Busbar Feeder

$13.40

MSRP:

$42.48
ABB

AST 35/38-2 CB

Busbar Feeder (2-3PH)

$13.53

MSRP:

$42.86
ABB

AST 35/58 BP-C

Feeder Term

$16.46

MSRP:

$52.19
ABB

AST35/15SP

Busbar (AST 35/15 SP)
ABB

AST50/15

Feeder Terminal

$17.31

MSRP:

$54.88
Eaton

AUX2A2BPK

Double Auxiliary Switch

$348.61

MSRP:

$1,162.04
Eaton

AUXALRMEPK

Aux/Alarm Switch

$348.61

MSRP:

$1,162.04
Eaton

AUXALRMJPK

Combination Aux Switch & Alarm

$348.61

MSRP:

$1,162.04
Weg

AX ACW 125-800

Auxiliary Contact
Weg

AX-UBW1200

Auxiliary Switch, Fits UBW1200 Breakers

$296.06

MSRP:

$771.00
Weg

AX-UBW250

Auxiliary Switch, Fits UBW250 Breakers

$171.26

MSRP:

$446.00
Weg

AX-UBW2500

Auxiliary Switch, Fits UBW2500 Breakers

$397.06

MSRP:

$1,034.00
Weg

AX-UBW400

Auxiliary Switch, Fits UBW400 Breakers

$213.89

MSRP:

$557.00
Weg

AX-UBW800

Auxiliary Switch, Fits UBW600/800 Breakers

$268.42

MSRP:

$699.00
Weg

AXAL-UBW1200

Aux./Alarm Switch, Fits UBW1200 Breakers

$332.54

MSRP:

$866.00
Weg

AXAL-UBW225

Auxiliary/Alarm Contact
Weg

AXAL-UBW250

Aux./Alarm Switch, Fits UBW250 Breakers

$202.37

MSRP:

$527.00
Weg

AXAL-UBW400

Aux./Alarm Switch, Fits UBW400 Breakers

$241.15

MSRP:

$628.00
Weg

AXAL-UBW800

Aux./Alarm Switch, Fits UBW600/800 Breakers

$296.45

MSRP:

$772.00
Noark

B1B2C25

B1B 2P C curve 25A 500Vdc 10kA UL489 SC

$60.65

MSRP:

$67.39

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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.