To place an order or for more info please call: 800-806-5552 or email us at sales@nationalbreaker.com
Your Switchgear & Switchgear Life Extension source.
Exceptionally customized medium voltage switchgear from indoor to walk-in EPC line-ups;
Match & line extensions;
Roll-in Replacement Breakers
or simply spare parts
National Breaker Services has the facility, capabilities, personnel, and expertise to fulfill your needs.
Click on the links below for different Switchgear categories
Engineered for integration; Citadel® Switchgear allows pick & place in a shift. Controls, protection, and SCADA are marshaled to a common pre-wired, pre-tested cabinet for speedy on site conduit connections and startup.
Great things sit on solid foundations.
Non-corroding stainless steel drip edges ensure long life and exceptional wall underpinning
Thoughtfully design rich, EPC engineering
One-stop wire spot 
Top of the line components 
Tamper-proof door seating 
No outage filter changes
Engineering for every environment
3rd Party Certification for every need
| Click to download | NBS Products & Services Overview  | NBS article at T&D World Magazine  |
Check our video documentation here
NBS Video – The Citadel Mechanism | Rugged | Reliable | Balanced
PSE GE AM 13,8 1000 3500 Amp Citadel 4000 Conversion
National Breaker Services – UL 891 Switchboard & Storm Hardening Switchgear