6FC5203-0AF28-4AM0 - SINUMERIK FM-NC/810D/DE/840D/DE PUSHBUTTON PANEL PP012H-S12 (A5E00300394) BASED ON 6FC5303-0AF25-1AA0 2-CHANNEL ACKNOWLEDGEMENT APPLICABLE FOR HT6 NOT COMPATIBLE FOR PHG (siemens) - Quad Industry GmbH