WAGO I/O System 750/753 Item no. 750-666/000-104Fail-safe 4/2 channel digital input/output; 24 VDC; 10 A; Logic; PROFIsafe1 of 5 Please wait ...PU (SPU): undefinedGenerate DatasheetCompare Please wait ...PU (SPU): undefinedGenerate DatasheetCompare