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What is the difference between LUB32NR and LUB32?

Does LUB32NR and LUB32 have the same amparege and horse power rating?

Product line:
TeSys U motor starter

Products sold in North Amreica

LUB32NR is nema rated as compared to LUB32 which is IEC rated. Both rating have different test standards.  LUB32NR has a lower maximum current and hp rating compared to the old LUB32.
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