How can you decode a Masterpact catalog number to determine construction?


28 September 2021

How can you decode a Masterpact NW or Masterpact NT catalog number to determine construction features such as ratings, accessories, trip unit, connectors, etc.?

Product Line:
Circuit Breakers

To decode a catalog number, access the attached file and find the description corresponding to each character for the breaker catalog number and for the cradle if applicable.
PLS007 is for Masterpact Circuit Breakers.
PLS012 is for Masterpact Cradles.

Note: For Masterpact breakers (eg. WA8AHR31A2SNNNNNNN9N) from late 1990s to very early 2000s, check attached 1999 decoder.