720+ Switchgear & Breakers
The largest inventory of insulated case breakers in the USA. Every unit tested, configured to your specs, and ready to ship.
720+
Breakers in Stock
5
Major Brands
30+
Years Experience
24/7
Expert Support
Shop by Manufacturer
Select a manufacturer to explore our inventory. Each breaker is tested and can be configured to your exact specifications.
Square D
240 units
Westinghouse / Cutler Hammer
226 units
General Electric
192 units
Siemens / Allis Chalmers
42 units
ABB / ITE / BBC
20 units
Not sure which brand you need?
Tell us your specs and we'll find the right breaker from our inventory.
Why ICB?
We're not a marketplace. We're specialists who test, configure, and stand behind every breaker we sell.
Fully Tested
Every breaker tested before shipping with detailed test report included.
Custom Configuration
Trip units, mechanisms, and accessories configured to your exact specs.
Fast Shipping
5-7 day standard shipping. Same-day available for emergencies.
1 Year Warranty
Full warranty on every breaker. We stand behind what we sell.
Sample Inventory
A glimpse of what we have in stock right now
General Electric
POWER BREAK
021-812
Square D
MASTERPACT MP
021-839
ABB / ITE / BBC
EMAX
022-387
ABB / ITE / BBC
EMAX
022-388
Westinghouse / Cutler Hammer
MAGNUM DS
003-819
Square D
MASTERPACT MP
004-857
General Electric
POWER BREAK II
025-396
Westinghouse / Cutler Hammer
SPB
003-800
This is just a sample. Browse by manufacturer above to see our full inventory.
Ready to Find Your Breaker?
With 720+ breakers in stock and 30+ years of expertise, we'll get you exactly what you need—fast.