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.

  • 2216-S110-P1M1-S111-A-5A | Min Ord Qty 10. 1077, 1P, Plug, 240VAC / 50VDC, M1, 5A
    E-T-A Engineering Technology

    2216-S110-P1M1-S111-A-5A

    Min Ord Qty 10. 1077, 1P, Plug, 240VAC / 50VDC, M1, 5A

    $90.30
  • 2216-S110-P1M1-S111-A-6A | Min Ord Qty 10. 1077, 1P, Plug, 240VAC / 50VDC, M1, 6A
    E-T-A Engineering Technology

    2216-S110-P1M1-S111-A-6A

    Min Ord Qty 10. 1077, 1P, Plug, 240VAC / 50VDC, M1, 6A

    $90.30
  • 2216-S110-P1M1-S111-A-8A | Min Ord Qty 10. 1077, 1P, Plug, 240VAC / 50VDC, M1, 8A
    E-T-A Engineering Technology

    2216-S110-P1M1-S111-A-8A

    Min Ord Qty 10. 1077, 1P, Plug, 240VAC / 50VDC, M1, 8A

    $90.30
  • 236217 | Eaton PKNM-16/1N/C/003-A-MW IEC ONLY SUPPLEMENTARY PROTECTOR 1P
    Eaton

    236217

    PKNM-16/1N/C/003-A-MW IEC ONLY SUPPLEMENTARY PROTECTOR 1P

    $1,242.00
    $2,070.00
  • 238650 | Eaton PKNM-10/1N/C/003-A-DW IEC ONLY SUPPLEMENTARY PROTECTOR 1P
    Eaton

    238650

    PKNM-10/1N/C/003-A-DW IEC ONLY SUPPLEMENTARY PROTECTOR 1P

    $1,337.68
  • 259591 | Eaton NZM2/3-XUHIV208-240AC UNDERVOLTAGE RELEASE WITH 2 VHI
    Eaton

    259591

    NZM2/3-XUHIV208-240AC UNDERVOLTAGE RELEASE WITH 2 VHI

    $506.06
    $1,135.95
  • 259598 | Eaton NZM2/3-XUHIV480-525AC UNDERVOLTAGE RELEASE WITH 2 VHI
    Eaton

    259598

    NZM2/3-XUHIV480-525AC UNDERVOLTAGE RELEASE WITH 2 VHI

    $506.06
    $1,135.95
  • 259620 | Eaton NZM1-XUHIV20L110-130AC UNDERVOLTAGE RELEASE WITH 2 SEPAR.V
    Eaton

    259620

    NZM1-XUHIV20L110-130AC UNDERVOLTAGE RELEASE WITH 2 SEPAR.V

    $473.24
    $1,062.24
  • 259622 | Eaton NZM1-XUHIV20L208-240AC UNDERVOLTAGE RELEASE WITH 2 SEPAR.V
    Eaton

    259622

    NZM1-XUHIV20L208-240AC UNDERVOLTAGE RELEASE WITH 2 SEPAR.V

    $473.24
    $1,062.24
  • 259648 | Eaton NZM2/3-XUHIV20110-130AC UNDERVOLTAGE RELEASE WITH 2 SEPAR.
    Eaton

    259648

    NZM2/3-XUHIV20110-130AC UNDERVOLTAGE RELEASE WITH 2 SEPAR.

    $522.06
    $1,171.86
  • 259651 | Eaton NZM2/3-XUHIV20208-240AC UNDERVOLTAGE RELEASE WITH 2 SEPAR.
    Eaton

    259651

    NZM2/3-XUHIV20208-240AC UNDERVOLTAGE RELEASE WITH 2 SEPAR.

    $522.06
    $1,171.86
  • 259763 | Eaton NZM2/3-XA208-250AC/DC SHUNT RELEASE
    Eaton

    259763

    NZM2/3-XA208-250AC/DC SHUNT RELEASE

    $341.86
    $767.38
  • 259768 | Eaton NZM2/3-XA480-525AC/DC SHUNT RELEASE
    Eaton

    259768

    NZM2/3-XA480-525AC/DC SHUNT RELEASE

    $341.86
    $767.38
  • 259816 | Eaton NZM2/3-XAHIV110-130AC/DC SHUNT RELEASE WITH VHI
    Eaton

    259816

    NZM2/3-XAHIV110-130AC/DC SHUNT RELEASE WITH VHI

    $455.54
    $1,022.54
  • 259820 | Eaton NZM2/3-XAHIV380-440AC/DC SHUNT RELEASE WITH VHI
    Eaton

    259820

    NZM2/3-XAHIV380-440AC/DC SHUNT RELEASE WITH VHI

    $455.54
    $1,022.54
  • 284389 | Eaton NZM1-XUHIV20KL110-130AC UNTERVOLTAGE RELEASE WITH 2 VHI KL
    Eaton

    284389

    NZM1-XUHIV20KL110-130AC UNTERVOLTAGE RELEASE WITH 2 VHI KL

    $489.23
    $1,098.16
  • 284400 | Eaton NZM1-XUHIV20KL208-240AC UNTERVOLTAGE RELEASE WITH 2 VHI KL
    Eaton

    284400

    NZM1-XUHIV20KL208-240AC UNTERVOLTAGE RELEASE WITH 2 VHI KL

    $489.23
    $1,098.16
  • 284407 | Eaton Undervoltage release, 110-130VAC +2N/Oem
    Eaton

    284407

    Undervoltage release, 110-130VAC +2N/Oem

    $530.49
    $1,190.76
  • 291477 | Eaton EVG-16/3PHAS/N/5MODUL/LS BUSBAR
    Eaton

    291477

    EVG-16/3PHAS/N/5MODUL/LS BUSBAR

    $204.43
    $340.72
  • 291478 | Eaton EVG-16/3PHAS/N/8MODUL/LS BUSBAR
    Eaton

    291478

    EVG-16/3PHAS/N/8MODUL/LS BUSBAR

    $253.89
    $423.15
  • 291479 | Eaton EVG-16/1PHAS/2MODUL/HI 80A 1-P BUS BAR FOR 2 SUPPLEMENTARY
    Eaton

    291479

    EVG-16/1PHAS/2MODUL/HI 80A 1-P BUS BAR FOR 2 SUPPLEMENTARY

    $39.04
    $49.87
  • 291480 | Eaton EVG-16/1PHAS/6MODUL/HI 80A 1-P BUS BAR FOR 6 SUPPLEMENTARY
    Eaton

    291480

    EVG-16/1PHAS/6MODUL/HI 80A 1-P BUS BAR FOR 6 SUPPLEMENTARY

    $106.61
    $177.70
  • 291481 | Eaton EVG-16/1PHAS/9MODUL/HI 80A 1-P BUS BAR FOR 9 SUPPLEMENTARY
    Eaton

    291481

    EVG-16/1PHAS/9MODUL/HI 80A 1-P BUS BAR FOR 9 SUPPLEMENTARY

    $119.81
    $199.67
  • 291482 | Eaton EVG-16/2PHAS/4MODUL/HI 80A 2-P BUS BAR FOR 2 SUPPLEMENTARY
    Eaton

    291482

    EVG-16/2PHAS/4MODUL/HI 80A 2-P BUS BAR FOR 2 SUPPLEMENTARY

    $106.61
    $177.70
  • 291483 | Eaton EVG-16/2PHAS/6MODUL/HI 80A 2-P BUS BAR FOR 6 SUPPLEMENTARY
    Eaton

    291483

    EVG-16/2PHAS/6MODUL/HI 80A 2-P BUS BAR FOR 6 SUPPLEMENTARY

    $137.38
    $228.97
  • 291484 | Eaton EVG-16/2PHAS/10MODUL/HI 80A 2-P BUS BAR FOR 5 SUPPLEMENTAR
    Eaton

    291484

    EVG-16/2PHAS/10MODUL/HI 80A 2-P BUS BAR FOR 5 SUPPLEMENTAR

    $172.56
    $287.62
  • 291485 | Eaton EVG-16/3PHAS/6MODUL/HI 80A 3-P BUS BAR FOR 2 SUPPLEMENTARY
    Eaton

    291485

    EVG-16/3PHAS/6MODUL/HI 80A 3-P BUS BAR FOR 2 SUPPLEMENTARY

    $149.50
    $249.15
  • 291486 | Eaton EVG-16/3PHAS/12MODUL/HI 80A 3-P BUS BAR FOR 4 SUPPLEMENTAR
    Eaton

    291486

    EVG-16/3PHAS/12MODUL/HI 80A 3-P BUS BAR FOR 4 SUPPLEMENTAR

    $253.89
    $423.15

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.