Roller shutter door motor AC 230V or 110V, DIA35mm,DIA45mm,DIA59mm,DIA92mm ... double brakes, increase 100% of braking ability.4. Normal motor bracket: Adopt three-leg supporter structure, which is easy to ... have fault. TOMA motor bracket: Adopt five-leg supporter structure and use fine ... The loading capacity has also been increased by 40%. Roller shutter door motor