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 Post subject: Molded Case Breaker Current Interrupting Rating
PostPosted: Tue Jul 23, 2019 12:19 pm 

Joined: Thu May 17, 2018 4:40 pm
Posts: 1
Have some information on old ITE molded case breakers. The information identifies two interrupting ratings. UL 10kA and NEMA 15kA. I am trying to determine what the differecne is between the UL and NEMA ratings. The breakers were manufactured in the early 1950's.


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