Siemens 6ES7390-5BA00-0AA0 Automation Connection Component — Legacy Replacement. Siemens 6ES7390-5BA00-0AA0 is the exact manufacturer order number for a automation connection component in the SIMATIC S7-300 portfolio. Siemens describes this exact reference as: SIMATIC S7, Shield terminal for 1 cable with 3...8 mm diameter 2 units per packing unit. The verified manufacturer lifecycle record is PM400:Announcement of product phase-out.