Electricity Systems Normal 380VAC, 50Hz, 3Phases 220VAC, 50Hz, 3Phases Special 110~ 440VAC, 50/ 60Hz, 1/ 3Phase Input Power Min 0.25 kw Max 15 kw Revolutions Without reducer, 50Hz, 1000 rpm & 1450 rpm. 60Hz, 1200 rpm & 1750 rpm With reducer, 10 ~ 430 rpm. Materials Supporting Base, 45# steel/ cast iron Pole shaft, SS304/ SS316 Impeller, SS304/ SS316 Application: Chemical industries Wastewater industries Food processing Agricalture