NAS stocks thousands of molded case and insulated case (plastic frame) circuit breakers. Please e-mail, call or contact us at the link below with your MCCB requests.

contact us

How Can We Help?

Use the form below to check stock on parts, full assemblies, accessories, switchgear or inquire about service work to your circuit breaker. No part number? No problem! Upload a picture or file of your existing equipment. Our expert staff is skilled at identifying replacement parts from customer images.