WAGO I/O System 750/753 Item no. 750-423 4-channel digital input; 24 V AC/DC; 50 ms; Power jumper contacts Item no. 750-423 4-channel digital input Please wait ... List price per piece* On request Price and availability after Your price per piece* On request PU (SPU): 1 Piece Item no. 750-423 4-channel digital input Please wait ... List price per piece* On request Price and availability after Your price per piece* On request PU (SPU): 1 Piece