The WAGO 870 X-COM series neutral-through terminal block is a double-deck terminal block with internal commoning and side marking slots, suitable for Ex I applications. It features "N" marking and is blue in color, designed for neutral-through pole (N) connections with 2 x 3-wires (4 clamps + 2 clamps) configuration, accommodating wire sizes from 0.08mm² to 4mm² or #28AWG to #12AWG. It supports a rated current of 24A and utilizes CAGE CLAMP spring connections for secure wiring. The terminal block is mounted on a DIN-35 rail (35 x 15 / 35 x 7.5) and has a width of 5mm, equivalent to model 870539.