... :security and stability 3:high performance, long life tubular motor for roller shutter :1) Strong horsepowder , overheating protection device. 2) Easy ... )Control panel wiring available to safety device, alarm lamp and remote controller 7)Easy installation, perfect design , small viration, low ... Chain NoWeight(KG)DC300KG1801683005.560.4208B13DC600KG25041260060760.4210A16 tubular motor for roller shutter