Technical FAQs

Ask a Question

What does the 1900 suffix on the end of a breaker indicate?

Issue:
What does the 1900 suffix on the end of a breaker indicate?
 
Product Line:
Legacy Circuit Breakers
 
Environment:
Circuit Breakers
 
Cause:
What does the 1900 suffix on the end of a breaker indicate?
 
Resolution:
 
The -1900 suffix indicates a 120 Vac shunt trip on the right pole and a 120 Vac undervoltage trip on the left pole.
 
Was this helpful?
What can we do to improve the information ?