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.

  • EHD1020Y | Eaton EHD 1P 20A W/TERM LINE END ONLY
    Eaton

    EHD1020Y

    EHD 1P 20A W/TERM LINE END ONLY

    $260.78
    $434.63
  • EHD1020Z01 | Eaton EHD 1P 20A W/624B100G10 TERMS. LOAD END ONLY
    Eaton

    EHD1020Z01

    EHD 1P 20A W/624B100G10 TERMS. LOAD END ONLY

    $260.78
    $434.63
  • EHD1020Z04 | Eaton EHD 1P 20A W/624B100G02 TERM LOAD END
    Eaton

    EHD1020Z04

    EHD 1P 20A W/624B100G02 TERM LOAD END

    $250.93
    $418.20
  • EHD1025 | EATON Molded Case Circuit Breaker (25 Amp)
    Eaton

    EHD1025

    F-Frame Molded Case Circuit Breaker (25 Amp, 1 pole)

    $260.78
    $434.63
  • EHD1025-GR1 | Eaton EHD BREAKER 1P, 25 AMP FOR GRAINGER
    Eaton

    EHD1025-GR1

    EHD BREAKER 1P, 25 AMP FOR GRAINGER

    $221.56
    $369.27
  • EHD1025L | Eaton TYPE EHD BREAKER 1P 25A 277VAC MAX 14KAIC
    Eaton

    EHD1025L

    TYPE EHD BREAKER 1P 25A 277VAC MAX 14KAIC

    $262.98
    $438.28
  • EHD1025WD01 | Eaton EHD 1P 25A W/O TERM W/KPR1A L&L
    Eaton

    EHD1025WD01

    EHD 1P 25A W/O TERM W/KPR1A L&L

    $278.31
    $463.85
  • EHD1030 | EATON Molded Case Circuit Breaker (30 Amp)
    Eaton

    EHD1030

    F-Frame Molded Case Circuit Breaker (30 Amp, 1 pole)

    $260.78
    $434.63
  • EHD1030-GR1 | Eaton EHD BREAKER 1P, 30 AMP FOR GRAINGER
    Eaton

    EHD1030-GR1

    EHD BREAKER 1P, 30 AMP FOR GRAINGER

    $221.56
    $369.27
  • EHD1030B15 | Eaton EHD 1P 30A W/AL SW 1M
    Eaton

    EHD1030B15

    EHD 1P 30A W/AL SW 1M

    $673.85
    $1,123.08
  • EHD1030BP10 | Eaton EHD1030 EHD 1P 30A
    Eaton

    EHD1030BP10

    EHD1030 EHD 1P 30A

    $250.93
    $418.20
  • EHD1030L | Eaton EHD 1030L 1P 30A
    Eaton

    EHD1030L

    EHD 1030L 1P 30A

    $262.98
    $438.28
  • EHD1030LB15 | Eaton EHD 1P 30A L&L TERM W/AL SW 1M
    Eaton

    EHD1030LB15

    EHD 1P 30A L&L TERM W/AL SW 1M

    $676.04
    $1,126.73
  • EHD1030LB15M01 | Eaton EHD 1P 30A L&L TERM W/AL SW 1M, MTG HDWR
    Eaton

    EHD1030LB15M01

    EHD 1P 30A L&L TERM W/AL SW 1M, MTG HDWR

    $676.04
    $1,126.73
  • EHD1030LBP10 | Eaton EHD1030L 1P 30A
    Eaton

    EHD1030LBP10

    EHD1030L 1P 30A

    $262.98
    $438.28
  • EHD1030LM01 | Eaton EHD 1P 30A L&L TERM W/MTG HDRW
    Eaton

    EHD1030LM01

    EHD 1P 30A L&L TERM W/MTG HDRW

    $262.98
    $438.28
  • EHD1030VL | Eaton TYPE EHD 1 POLE 30AMP BREAKER
    Eaton

    EHD1030VL

    TYPE EHD 1 POLE 30AMP BREAKER

    $262.98
    $438.28
  • EHD1030WD01 | Eaton EHD 1P 30A W/O TERM L&L KPR1A
    Eaton

    EHD1030WD01

    EHD 1P 30A W/O TERM L&L KPR1A

    $278.31
    $463.85
  • EHD1035 | EATON Molded Case Circuit Breaker (35 Amp)
    Eaton

    EHD1035

    F-Frame Molded Case Circuit Breaker (35 Amp, 1 pole)

    $186.66
    $442.43
  • EHD1035L | Eaton EHD 1P 35A L&L TERMS
    Eaton

    EHD1035L

    EHD 1P 35A L&L TERMS

    $255.30
    $425.50
  • EHD1040-GR1 | Eaton EHD BREAKER 1P, 40 AMP FOR GRAINGER
    Eaton

    EHD1040-GR1

    EHD BREAKER 1P, 40 AMP FOR GRAINGER

    $221.56
    $300.87
  • EHD1040B15 | Eaton EHD 1P 40A W/AL SW 1M
    Eaton

    EHD1040B15

    EHD 1P 40A W/AL SW 1M

    $673.85
    $1,123.08
  • EHD1040L | Eaton TYPE EHD BREAKER 1P 40A 277VAC MAX 14KAIC
    Eaton

    EHD1040L

    TYPE EHD BREAKER 1P 40A 277VAC MAX 14KAIC

    $262.98
    $438.28
  • EHD1040WD01 | Eaton EHD 1P 40A W/O TERM W/KPR1A L&L
    Eaton

    EHD1040WD01

    EHD 1P 40A W/O TERM W/KPR1A L&L

    $560.98
    $934.97
  • EHD1042A1K00000000 | Eaton HVAC DISCONNECT 104A, 40HP 230V NEMA 1 STD HVAC HIGH SCCR
    Eaton

    EHD1042A1K00000000

    HVAC DISCONNECT 104A, 40HP 230V NEMA 1 STD HVAC HIGH SCCR

    $12,947.08
    $19,542.76
  • EHD1042A1K00010000 | Eaton HVAC DISCONNECT 104A, 40HP 230V NEMA 1 STD HVAC HIGH SCCR
    Eaton

    EHD1042A1K00010000

    HVAC DISCONNECT 104A, 40HP 230V NEMA 1 STD HVAC HIGH SCCR

    $13,497.61
    $20,373.74
  • EHD1042A2K00000000 | Eaton HVAC DISCONNECT 104A, 40HP 230V NEMA 12 STD HVAC HIGH SCCR
    Eaton

    EHD1042A2K00000000

    HVAC DISCONNECT 104A, 40HP 230V NEMA 12 STD HVAC HIGH SCCR

    $14,780.01
    $22,309.45
  • EHD1042A2K00010000 | Eaton HVAC DISCONNECT 104A, 40HP 230V NEMA 12 STD HVAC HIGH SCCR
    Eaton

    EHD1042A2K00010000

    HVAC DISCONNECT 104A, 40HP 230V NEMA 12 STD HVAC HIGH SCCR

    $15,330.54
    $17,519.53

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 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.