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| Molded Case Breaker Current Interrupting Rating https://brainfiller.com/arcflashforum/viewtopic.php?f=33&t=5144 |
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| Author: | MP Storm [ Tue Jul 23, 2019 12:19 pm ] |
| Post subject: | Molded Case Breaker Current Interrupting Rating |
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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