Aluminium terminal block with 4 active connections and a cable size of 50 sq-mm. It is grey in colour and has a nominal current of 160 A for copper cables and 145 A for aluminium cables. The nominal insulation voltage is 800 V. This terminal block is suitable for both copper and aluminium cables. It has tin plating to prevent galvanic reactions. The internal barrier allows for the connection of aluminium and copper cables to a single block. The screw head size is 5 mm, and it can be mounted on a din rail.