Couplers & I/O modules: Item no. 750-4052-channel digital input; 230 VAC1 of 4Color: Item no. 750-405 2-channel digital input; 230 VACPlease wait ...PU (SPU): 1 PieceAdd to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsItem no. 750-405 2-channel digital input; 230 VACPlease wait ...PU (SPU): 1 PieceAdd to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributors