... system Used for industrial roller door ,garage door ,industrial door(300kg~1200kg) Industrial door motor accessories for industrial roller door Chain motor is beautifully shaped with advanced ... . Voltage : AC220V 50HZ :300-1P,500-1P,600-1P,800-1P AC380V 50HZ :300-3P,500-3P600-3P.800-3P.1000-3P.1300-3P.1500-3P.2000-3P