Here's a breakdown of the model code:

ACS880: This is the product series identifier for ABB's ACS880 series of inverter drives.

01: This part of the code represents the chassis type or the overall design concept of the inverter. In this case, "01" signifies that the inverter is a wall-mounted unit.

061A: This section corresponds to the power rating or maximum motor output of the inverter. The number "061" indicates a power rating of 61 kilowatts (kW). The letter "A" indicates the type of derivative or version of the product.

3: The digit "3" at the end signifies the voltage rating or the supply voltage level of the inverter. In this case, it indicates that the inverter is designed to operate with a three-phase power supply.