Couplers & I/O modules: Item no. 750-667/000-004Fail-safe 4/4 channel digital input/output; 24 VDC; 2 A; PROFIsafe1 of 4Item no. 750-667/000-004 Fail-safe 4/4 channel digital input/output; 24 VDC; 2 A; PROFIsafePlease wait ...Add to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigureItem no. 750-667/000-004 Fail-safe 4/4 channel digital input/output; 24 VDC; 2 A; PROFIsafePlease wait ...Add to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigure