YVF series variable frequency motor is a kind of speed regulation motors working with frequency converter. YVF series variable frequency motors are widely used for driven equipment in need of speed-regulation in light industries,metallurgy industries,textile industries,printing and dyeing industries,chemical industries,transportation and machine tool industries,etc.It is one of the ideal power source of velocity modulation. Available type Range:H80 H315,2/4/6/8poles; Rated output:0.37kw 200kw; Mounting arrangement:B3/B5/B14/B35/B34; Mounting dimensions according to IEC60034 standard. Operating conditions Ambient temperature:-15oC 40oC Altitude:up to 1000meters Rate voltage:380V,400V,415V Rate frequency:50Hz Connection:<=55kw,'Y'connection >55kw,'Delta-connection Duty:S1(continuous) Protection:IP54/IP55 Insulation class:F Cooling method:IC416