See Littelfuse Commercial Vehicle Products Products
QUICKON panel feed-through - 4+PE-pos. - 2.5 mm² ... 6.0 mm²/690 V/40 A - with QUICKON nut - black - for cable diameter of 9 mm ... 14 mm - M25 connection thread with 5 welded-on 6.0 mm² cable wires - 0.5 m long - cut flat at the end.