Technical FAQs

Ask a Question

On an I-Line circuit breaker, (for example an LA36400MT), what does the `MT` suffix indicate?

Issue:  
What is the meaning of the suffix -MT on an I line circuit breaker?  

Product line:  
Molded case circuit breakers

Environment:  
I-line legacy circuit breakers 

Resolution:  
This is an I-line breaker and an `MT` suffix indicates that the Plug-on Shroud is located on the `OFF` end of the breaker.  
Was this helpful?
What can we do to improve the information ?