Here are the maximum weights for the Fenix A320 CFM version. It is advised that you modify these values to your planning software to avoid overweight loadsheets. For example simBrief's default A320 profile has higher maximum weights.
OEW (Empty Weight)................................................44 029 kg
MZFW (Maximum Zero Fuel Weight).....................61 000 kg
MTOW (Maximum Take Off Weight)......................73 500 kg
MLW (Maximum Landing Weight)..........................64 500 kg
Max Passenger Amount..........................................162
Max Fuel Capacity....................................................19 004 kg
Max Cargo Weight....................................................9 440 kg
Here is a link to a simBrief's Fenix A320 CFM profile.