3+1芯Cable section Cable diameter Cable allowed current (XLPE 绝缘 -2008版) Gland Motor(KW) Rated motor current(A) at 1500r/m (在 1500r/m额定电机电流 (A)) Max Kw for cable section 2.5 12.6 28 M20(10-14mm) 4KW以下 8.8 11 4 14.2 37 M25(13-18mm) 4-5.5KW 11.6 18.5 4 14.2 37 M25(13-18mm) 7.5KW 15.4 18.5 6 15.7 47 M25(13-18mm) 11KW 22.6 22 10 18.04 65 M32(18-25mm) 15KW 30.3 30 16 21.1 84 M32(18-25mm) 18.5KW 35.9 45