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Do 3-phase isolation transformers require secondary fusing?

Question asked by artcampbell on Feb 16, 2018

We provide a 3-phase isolation transformer (30-47 KVA) with each of the Profile Machining Centers we sell. To meet NFPA 70 and/or NFPA 79, do we need to provide fusing between the isolation transformer secondary and the machine?


Best Regards,

Art Campbell

Engineering Manager

elumatec North America