45mm tubular motor model:WY45-20S rated voltage:230V/50Hz,20nm,12rpm excellent quality,Good after-sales services 45 Series Tubular motorType:WY45- ... .•Easy installation and operation.•Accurate limiting.•It is suitable for electric roller shutters and windows, doors,awnings,windowshades,etc.•Low noise ... and metallic in design.Beautiful and artistic appearance. WY45-20S Tubular Motors For Roller Blinds