L-ET1081N1 LET1310CS-12L-2.0-140-R L-ET1310I L-ET1310R1B1-M L-ET1310R1B1-M-D L-ET1310R1B2-M-DT L-ET1310R1B2-M-DT IC L-ET1310R1M L-ET1310R1M0616T L-ET131OR1M