-
Eaton
BKHKD300B
MAIN BKR KIT 480V MAX 1 OR 3PH 300A HKD BOTTOM MOUNTING
$5,696.05 -
Eaton
BKHKD300T
MAIN BKR KIT 480V MAX 1 OR 3PH 300A HKD TOP MOUNTING
$5,274.10$7,185.43 -
Eaton
BKHKD350
PRL1A/2A UNIVERSAL MAIN BKR KIT 480V 1 OR 3PH FRAME HKD3350
$5,274.10 -
Eaton
BKHKD350B
MAIN BKR KIT 480V MAX 1 OR 3PH 350A HKD BOTTOM MOUNTING
$5,696.05$7,760.27 -
Eaton
BKHKD350T
MAIN BKR KIT 480V MAX 1 OR 3PH 350A HKD TOP MOUNTING
$5,274.10$7,185.43 -
Eaton
BKHKD400
PRL1A/2A UNIVERSAL MAIN BKR KIT 480V 1 OR 3PH FRAME HKD3400
$5,274.10 -
Eaton
BKHKD400B
MAIN BKR KIT 480V MAX 1 OR 3PH 400A HKD BOTTOM MOUNTING
$5,696.05 -
Eaton
BKHKD400T
MAIN BKR KIT 480V MAX 1 OR 3PH 400A HKD TOP MOUNTING
$5,274.10 -
Eaton
BKKD250
PRL1A/2A UNIVERSAL MAIN BKR KIT 480V 1 OR 3PH FRAME KD3250
$4,273.71 -
Eaton
BKKD250B
MAIN BKR KIT 480V MAX 1 OR 3PH 250A KD BOTTOM MOUNTING
$4,615.61$4,736.63 -
Eaton
BKKD250T
MAIN BKR KIT 480V MAX 1 OR 3PH 250A KD TOP MOUNTING
$4,273.71 -
Eaton
BKKD300
PRL1A/2A UNIVERSAL MAIN BKR KIT 480V 1 OR 3PH FRAME KD3300
$4,273.71 -
Eaton
BKKD300B
MAIN BKR KIT 480V MAX 1 OR 3PH 300A KD BOTTOM MOUNTING
$4,615.61$4,736.63 -
Eaton
BKKD300T
MAIN BKR KIT 480V MAX 1 OR 3PH 300A KD TOP MOUNTING
$4,273.71 -
Eaton
BKKD350
PRL1A/2A UNIVERSAL MAIN BKR KIT 480V 1 OR 3PH FRAME KD3350
$4,273.71 -
Eaton
BKKD350B
MAIN BKR KIT 480V MAX 1 OR 3PH 350A KD BOTTOM MOUNTING
$4,615.61$4,736.63 -
Eaton
BKKD350T
MAIN BKR KIT 480V MAX 1 OR 3PH 350A KD TOP MOUNTING
$4,273.71 -
Eaton
BKKD400
PRL1A/2A UNIVERSAL MAIN BKR KIT 480V 1 OR 3PH FRAME KD3400
$4,273.71 -
Eaton
BKKD400B
MAIN BKR KIT 480V MAX 1 OR 3PH 400A KD BOTTOM MOUNTING
$4,615.61 -
Eaton
BKKD400T
MAIN BKR KIT 480V MAX 1 OR 3PH 400A KD TOP MOUNTING
$4,273.71 -
Eaton
BKLGE400
PRL1A/2A UNIVERSAL MAIN BKR KIT 480V 1 OR 3PH FRAME LGE3400
$8,797.65$11,985.89 -
Eaton
BKLGE400B
MAIN BKR KIT 480V MAX 1 OR 3PH 400A LG BOTTOM MOUNTING
$8,797.65$11,985.89 -
Eaton
BKLGE400T
MAIN BKR KIT 480V MAX 1 OR 3PH 400A LG TOP MOUNTING
$14,302.01$19,485.02 -
Eaton
BKLGE500
PRL1A/2A UNIVERSAL MAIN BKR KIT 480V 1 OR 3PH FRAME LGE3500
$12,612.00 -
Eaton
BKLGE500B
MAIN BKR KIT 480V MAX 1 OR 3PH 500A LG BOTTOM MOUNTING
$8,378.71$9,574.58 -
Eaton
BKLGE500T
MAIN BKR KIT 480V MAX 1 OR 3PH 500A LG TOP MOUNTING
$12,612.00$17,182.55 -
Eaton
BKLGE600
PRL1A/2A UNIVERSAL MAIN BKR KIT 480V 1 OR 3PH FRAME LGE3600
$12,612.00 -
Eaton
BKLGE600B
MAIN BKR KIT 480V MAX 1 OR 3PH 600A LG BOTTOM MOUNTING
$8,378.71$9,574.58
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.