E52-IC15A D=1 1M E52-IC15A D=1 NETU 1M E52-IC15A D=1.6 2M E52-IC15A D=1.6 4M E52-IC15A D=3.2 2M E52-IC15A D=3.2 3M E52-IC15A D=3.2 4M E52-IC15AS 2M E52-IC15ASY 2M E52-IC15ASY 4M