Ribbon power line Mod. RNM 50 Iron - New RM = 400 N/mmq - Re = 300 N/mmq Maximum width 500 mm - maximum thickness 3.0 Mm Maximum width mm 400 - maximum thickness 3.5 mm Mm a width mm 300 mm - maximum thickness 4.0 mm Maximum width mm 200 mm - maximum thick mm 4.5 mm thickness mm 0.5 mm 0.5 mm thickness