tubular motor for roller shutter 1:230V/50Hz and 110V60Hz single phase motor 2:3Nm-12Nm 3:For roller shutter,awning,curtain About SF35 Series: tubular motor for rolling shtter door and factory door and curtainSF35 series tubular motors are designed by advanced technology, Safe, Compact, lower noise. Mechanical brake system and Electromagnetic brake system for choice. They are widely used for ...