Item no. 221-503Mounting carrier; for 3-conductor terminal blocks; 221 Series - 4 mm²; for screw mounting; white1 of 2Color: Item no. 221-503 Mounting carrier; for 3-conductor terminal blocks; 221 Series - 4 mm²; for screw mounting; whiteRegular in stock LoginPlease wait ...Add to shopping cartGenerate data sheetCompareBookmarkItem no. 221-503 Mounting carrier; for 3-conductor terminal blocks; 221 Series - 4 mm²; for screw mounting; whiteRegular in stock LoginPlease wait ...Add to shopping cartGenerate data sheetCompareBookmark