E52-CA50B-3.2 E52-CA50B-N D=3.2 E52-CA50B-ND3.2 E52CA50BND32 E52-CA50C D=10 E52-CA50C D=3.2 E52-CA50C D=4.8 E52-CA50C D=6.4 E52-CA50C D=8 E52-CA50C-N D=10