The 3044128 is a 2-position 1-level green/yellow Ground Terminal Block with a polyamide insulator, the M3 screw connection and the NS 35/7,5,?NS 35/15 mounting. This UT 4-PE terminal block has easy operation and can be snapped onto the DIN rail. Modular expansion thanks to feed-through and ground terminal blocks of the same shape. It accepts 26 to 10AWG wire range.