Details: 20kva 660v 3-ph. closed type manually auto item category/ variable transformer. input supply= 415v ac, 50hz, 3-ph&neut 20kva 660v 3-ph.closed type manually auto variable transformer.input supply =415v ac,50hz, 3- ph&neutral variable output =0to660vac,50hz, 3-ph. max. current capacity =18amp each phase max. primary dimmer :30amp 3-ph manually secondary txmfr:20kva 3-ph.auto txmfr. frequency : 50/60 hz air cooled type manually operated increase &
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