Item no. 249-139 Test plug module; without locking device; modular; for 4-conductor terminal blocks; gray1 of 1Color: Item no. 249-139 Test plug module Please wait ... Price and availability after LoginPlease wait ... PU (SPU): 100 (25) PieceAdd to shopping cartGenerate data sheetDownloads as zipCompareBookmarkFind electrical wholesalers Item no. 249-139 Test plug module Please wait ... Price and availability after LoginPlease wait ... PU (SPU): 100 (25) PieceAdd to shopping cartGenerate data sheetDownloads as zipCompareBookmarkFind electrical wholesalers