The 6SL3520-1XD03-0AA0 completes the 1XD03 communication variant set — the D-connector SINAMICS G115D at 3 kW FSB fanless now carries all three G115D communication interfaces (AA0/AF0/AB0). It delivers 7.7 A HO (15.4 A LO) in the fanless FSB enclosure (425 × 180 × 134 mm, 7.12 kg) with natural convection cooling, designated for SIMATIC control systems. AA0 provides basic terminal control for a standalone 3 kW drive. Operates at 380–480 V three-phase, compatible with IE2/IE3/IE4 motors across 0–550 Hz, IP65 sealed.