Installation ground terminal block, The NS 32... or NS 35... Cu DIN rail should be used for a connection cross section of 35 mm2/2 AWG. When aligned with a feed-through terminal block of the same shape, a cover must be used at insulation voltages > 630 V., PE/N block, consisting of a green-yellow ground terminal and a blue terminal block with screw bridge, nom. voltage: 630 V, nominal current: 125 A, Screw connection, cross section: 0.75 mm2 - 35 mm2, mounting type: NS 35/7,5, NS 35/15, NS 32, color: green-yellow-blue