The Mitsubishi inverter model FR-A840-00770-2-60 is part of the FR-A800 series, a line of high-performance inverters designed for industrial applications. Here are some details about this specific model:

1. Power Rating: The "00770" in the model number indicates the power rating of the inverter. In this case, it is rated for a maximum output power of 770 kilowatts.

2. Voltage and Current Rating: The "2" in the model number suggests that this inverter is designed for use with a 200-volt power supply. The exact current rating can vary, and it would be helpful to confirm the manufacturer's specifications for this information.

3. Frequency Control Range: The "60" at the end of the model number represents the frequency control range of the inverter. In this case, it is likely meant for a range of 0 to 60 hertz.

4. Advanced Features: The FR-A800 series inverters, including the FR-A840-00770-2-60, offer a range of advanced features such as sensorless vector control, regenerative braking, built-in PLC functionality, and support for various communication protocols.