Roller shutter door motor AC 230V or 110V, DIA35mm,DIA45mm,DIA59mm,DIA92mm series,torque:3N.m-300N.m TOMA electric tubular motorSpecification:1) Dia.: ... screw rod: composes of brass, featuring high accuracy, resistant to wear, antirust, stable limit and long service3. Normal brake: ... three-leg supporter structure, which is easy to have fault. TOMA motor bracket: Adopt five-leg supporter structure and ...