Siemens 6ES7360-3AA01-0AA0 Interface Module — Legacy Replacement. Siemens 6ES7360-3AA01-0AA0 is the exact manufacturer order number for a interface module in the SIMATIC S7-300 portfolio. Siemens describes this exact reference as: ***spare part*** SIMATIC S7-300, connection IM 360 in central rack for connection of max. 3 expansion racks, with C-bus. The verified manufacturer lifecycle record is PM410:Product cancellation.