Couplers & I/O modules: XTR Item no. 750-427/040-0002-channel digital input; 110 VDC; 3 ms; Extreme1 of 4Color: 2-channel digital input; 110 VDC; 3 ms; ExtremePlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to Watchlist 2-channel digital input; 110 VDC; 3 ms; ExtremePlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to Watchlist