DF36-20P-0.4SD(55) DF36-20P-0.4V DF36-20P-0.4V(51) DF36-20P-SHL DF36-20S DF36-20S-0.4V DF36-20S-0.4V(51) DF36-20S-0.4V(52) DF36-20S-0.4V(55) DF36-25P-0.4SD