Item no. 750-439/040-000 8-channel digital input; NAMUR; Intrinsically safe; Extreme1 of 4Color: Item no. 750-439/040-000 8-channel digital inputGenerate DatasheetDownloads as zipCompareBookmarkConfigure Item no. 750-439/040-000 8-channel digital inputGenerate DatasheetDownloads as zipCompareBookmarkConfigure