Siemens 6GK1905-0EB00 Automation Connection Component. Siemens 6GK1905-0EB00 is the exact manufacturer order number for a automation connection component in the SIMATIC NET PC Communication portfolio. Siemens describes this exact reference as: M12 connection plug for ET 200 with axial cable outlet for assembly in the field, female contact insert, 1 pack=5 units. The verified manufacturer lifecycle record is PM300: Active Product.