The WAGO 870 X-COM series ground/earthing terminal block features a double-deck design with internal commoning and side marking slots, marked "PE" for protective earth. It is green-yellow in color and accommodates 2 x 2 wires (2 clamps + 2 clamps) for wire sizes ranging from 0.08mm² to 4mm² (#28AWG to #12AWG). The terminal block supports a rated current of 24A and utilizes CAGE CLAMP spring connections. It is designed for mounting on a DIN-35 rail (35 x 15 / 35 x 7.5) with a width of 5mm, equivalent to model 870507.