1400mm负压风机的主流配置是0.75kW/500rpm/14N·m,对应型号HSE-PM38H075-140N05-S4X(内转子HSE140系列,380VAC,IP66,IE5能效)。现场只有220V电的,用HSE-PM22H075-160N04-S4X(0.75kW/460rpm/15.5N·m,220...