AC tubular motor, Mechanic Limit+Manual power supply:AC230v /50HZ torque:55NM CCC, CE, ROHS, UL AC 55Nm tubular motor for roller door CCC, CE, ROHS, ULStandand type Quiet ... roller shutterdoor and window,garage door etc.Compared with outside motor,it is less excluded volume,more fit for roller shutter window and door. electrical ac tubular motor ...