-
Noark
E3R-XNM4S500T3L
Enclosed Breaker, Type 3R, 3P-3W, M4, 500A, 42kA@480V
$3,208.46$3,564.96 -
Noark
E3R-XNM4S600T3L
Enclosed Breaker, Type 3R, 3P-3W, M4, 600A, 42kA@480V
$3,208.46$3,564.96 -
Noark
EC10771
Comb Bus Bar Endcap, UL 1077, 1P
$3.48 -
Noark
EC10773
Comb Bus Bar Endcap, UL 1077, 3P
$4.09 -
Noark
ECA25
Comb Bus Bar Endcap UL 489
$2.34$2.60 -
Tele Controls
ECB 4C D24/1-10A NO-R
4-Channel Electronic Circuit Breaker, 24VDC, 10A, N/O contact
$295.76 -
Eaton
ECS9811BAK-C1C47
COMBO BREAKER (400A BKR) 302A S611 NEMA 1 230VAC, E-BYPASS
$37,511.74$44,790.13 -
Eaton
ECS9811BAK-C1C47P7S3
COMBO BREAKER (400A BKR) 302A S611 NEMA 1 230VAC, E-BYPASS
$39,104.13 -
Eaton
ECS9811CAK-C1C47
COMBO BREAKER (400A BKR) 302A S611 NEMA 1 480VAC, E-BYPASS
$37,511.74$44,790.13 -
Eaton
ECS9811CAK-C1C47P7S3
COMBO BREAKER (400A BKR) 302A S611 NEMA 1 480VAC, E-BYPASS
$39,104.13$46,691.50 -
Eaton
ECS9811DAK-C1C47
COMBO BREAKER (400A BKR) 302A S611 NEMA 1 575VAC, E-BYPASS
$37,531.69 -
Eaton
ECS9811DAK-C1C47P7S3
COMBO BREAKER (400A BKR) 302A S611 NEMA 1 575VAC, E-BYPASS
$39,124.10$46,715.35 -
Eaton
ECS9811EAK-C1C47
COMBO BREAKER (400A BKR) 302A S611 NEMA 1 208VAC, E-BYPASS
$37,511.74 -
Eaton
ECS9811EAK-C1C47P7S3
COMBO BREAKER (400A BKR) 302A S611 NEMA 1 208VAC, E-BYPASS
$39,104.13 -
Eaton
ECS9812BAK-C1C47
COMBO BREAKER (400A BKR) 302A S611 NEMA 3R 230VAC, E-BYPASS
$37,944.80 -
Eaton
ECS9812BAK-C1C47P7S3
COMBO BREAKER (400A BKR) 302A S611 NEMA 3R 230VAC, E-BYPASS
$39,410.63$47,057.46 -
Eaton
ECS9812CAK-C1C47
COMBO BREAKER (400A BKR) 302A S611 NEMA 3R 480VAC, E-BYPASS
$37,818.21$45,156.07 -
Eaton
ECS9812CAK-C1C47P7S3
COMBO BREAKER (400A BKR) 302A S611 NEMA 3R 480VAC, E-BYPASS
$39,410.63$47,057.46 -
Eaton
ECS9812DAK-C1C47
COMBO BREAKER (400A BKR) 302A S611 NEMA 3R 575VAC, E-BYPASS
$37,838.19$45,179.92 -
Eaton
ECS9812DAK-C1C47P7S3
COMBO BREAKER (400A BKR) 302A S611 NEMA 3R 575VAC, E-BYPASS
$39,430.60 -
Eaton
ECS9812EAK-C1C47
COMBO BREAKER (400A BKR) 302A S611 NEMA 3R 208VAC, E-BYPASS
$37,818.21$45,156.07 -
Eaton
ECS9812EAK-C1C47P7S3
COMBO BREAKER (400A BKR) 302A S611 NEMA 3R 208VAC, E-BYPASS
$39,410.63 -
Eaton
ECS9813BAK
COMBO BREAKER (400A) 302A NEMA 4 PNTD S611 240VAC
$26,331.48$31,440.58 -
Eaton
ECS9813BAK-C1C47
COMBO BREAKER (400A BKR) 302A S611 NEMA 4 230VAC, E-BYPASS
$37,864.84$45,211.75 -
Eaton
ECS9813BAK-C1C47P7S3
COMBO BREAKER (400A BKR) 302A S611 NEMA 4 230VAC, E-BYPASS
$39,457.28$47,113.16 -
Eaton
ECS9813BAK-C1P7S3
COMBO BREAKER (400A) 302A NEMA 4 PNTD S611 240VAC
$27,650.74 -
Eaton
ECS9813CAK
COMBO BREAKER (400A) 302A NEMA 4 PNTD S611 480VAC
$26,331.48$31,440.58 -
Eaton
ECS9813CAK-C1C47
COMBO BREAKER (400A BKR) 302A S611 NEMA 4 480VAC, E-BYPASS
$37,864.84
Circuit Breakers & Circuit Breaker Parts
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.
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.