Siemens 8WD4308-0DD is a SIRIUS signaling column accessory that serves as a connection socket (adapter box) for foot-side cable hardware on 8WD4 signaling columns. It provides a side cable outlet compatible with 50 mm and 70 mm diameter columns and is designed for floor mounting; the enclosure measures 70 mm wide, 28.5 mm high, and 91 mm deep, molded in black PA. Constructed for harsh industrial environments, it operates from -30 to +60 °C and is intended as a signaling column accessory to route cables at the base.
