Couplers & I/O modules: Item no. 753-5172-channel relay output; AC 250 V; 1 A; Potential-free; 2 changeover contacts1 of 4Color: Item no. 753-517 2-channel relay output; AC 250 V; 1 A; Potential-free; 2 changeover contactsPlease wait ...Add to shopping listGenerate DatasheetCompareAdd to WatchlistFind distributorsConfigureItem no. 753-517 2-channel relay output; AC 250 V; 1 A; Potential-free; 2 changeover contactsPlease wait ...Add to shopping listGenerate DatasheetCompareAdd to WatchlistFind distributorsConfigure