Originally Posted by Last Leg
I am looking for some 'white paper' type of explanation on Series Rated Breakers - how they work and the difference in their internal make-up from non-series rated breakers. A synopsis would be nice with more detailed information for further understanding.


Companies like Cutler Hammer and Square D have white papers on their websites.

I know of nothing special in the internal workings of a series rated device from any mnaufacturer. in general the only difference is that actual test have been peformed using two (or sometimes three) standard devices in series.

Last edited by JBD; 10/15/07 09:43 AM.