The Siemens 6SL3520-0XD04-0AB0 is the AB0 variant of the SINAMICS G115D in the 0XD base series at 4 kW (5 hp, 10.2 A) in the FSB fan-cooled frame. It adds a local/remote operator panel to the standard PROFINET/EtherNet/IP fieldbus — giving maintenance teams direct manual control at the first actively cooled power level in the G115D range.