The 58.504.5155.0 is a feed-through terminal block (WT 4 D2/2) designed for mounting on TS 35 DIN rails with 4 screw connection positions arranged in a single level. It features a nominal cross section of 4 mm², a compact width of 6 mm, and is constructed from PA666 thermoplastic insulating housing with V0 inflammability rating per UL94. The terminal block accommodates conductor cross sections ranging from 0.14 mm² to 6 mm² for solid and fine-stranded wires, with a maximum torque of 0.5 Nm for conductor mounting and a wire strip length of 9 mm. With a rated voltage of 500 V, rated current of 32 A, and rated impulse voltage of 6 kV, this terminal block is suitable for industrial electrical installations requiring reliable feed-through connections in control panels and distribution systems.