The 6SL3520-0XB00-5AB0 is the Standard I/O variant at 0.55 kW in 0XB00 — the 0XB0x sub-series B-connector SINAMICS G115D for SIMATIC control systems. It delivers 1.7 A HO (3.4 A LO) in the FSA compact frame (380 × 156 × 129 mm, ~4.7 kg) with natural convection cooling. AB0 joins AF0 (PROFINET) and AA0 (I/O Control) to complete the 0XB00-5 communication set. Operates at 380–480 V three-phase, compatible with IE2/IE3/IE4 motors across 0–550 Hz, IP65 sealed.