Siemens 6ES7392-1AM00-0AA0 Automation Connection Component — Legacy Replacement. Siemens 6ES7392-1AM00-0AA0 is the exact manufacturer order number for a automation connection component in the SIMATIC S7-300 portfolio. Siemens describes this exact reference as: ***spare part*** SIMATIC S7-300, front connector with screw connections, 40-pole. The verified manufacturer lifecycle record is PM410:Product cancellation.