What is max pressure for air con system being charged with R410a refrigerant?

The maximum pressure for an air conditioning system charged with R410A refrigerant typically ranges between 350 to 400 psi (pounds per square inch) on the high side, depending on the specific system and ambient temperature. It's essential to refer to the manufacturer's specifications for the exact pressure limits as they can vary. Operating above these pressures can lead to system damage or failure. Always ensure proper charging practices and safety precautions are followed when working with refrigerants.