When you are looking at TE contactors from the EV200 Series each of the letters in the part number is calling out part specifications. To decode this part number you will need the following breakdown from TE.
Applicable Part Numbers
A101161-ND A101160-ND A105504-ND A101162-ND A121833-ND A124204-ND A124200-ND A121831-ND A121832-ND A124202-ND A104314-ND A115720-ND
EV200A1ANA EV200AAANA EV200ADANA EV200HAANA EV200HDANA EV200BAANA EV200GAANA EV200A2ANA EV200AJANA EV200HRANA EV200AAACA 1-1618002-4