tubular motor Type:SF45-W 10-50Nm This type of motor can be used in curtains, metal rolling doors and windows. About SF45-W series:SF45-W series tubular motor are designed by international advanced technology, with merits of Safe, Compact, Vogue, Effective and lower noise, adopt electromagnetic brake system. The output torque is from 10N.m to 50N.m. They are widely used for garage doors, small ...