Couplers & I/O modules: Item no. 750-669/000-003Fail-safe 4/4 channel digital input/relay output; 48 VAC/ 60 VDC; 6 A; PROFIsafe V2.0 iPar1 of 4Item no. 750-669/000-003 Fail-safe 4/4 channel digital input/relay output; 48 VAC/ 60 VDC; 6 A; PROFIsafe V2.0 iParPlease wait ...Add to shopping listBuy via Distributor eShopGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsItem no. 750-669/000-003 Fail-safe 4/4 channel digital input/relay output; 48 VAC/ 60 VDC; 6 A; PROFIsafe V2.0 iParPlease wait ...Add to shopping listBuy via Distributor eShopGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributors