The VFD022B43B is a model of Delta inverter. It belongs to the VFD-B series of AC motor drives. The "VFD" stands for Variable Frequency Drive, which is another term for an inverter. This particular model is designed to control and regulate the speed of induction motors.

Here are some key specifications of the VFD022B43B Delta inverter:

- Power rating: 2.2 kW (3 HP)

- Input voltage: Single-phase 220V or three-phase 220V/380V/480V

- Output voltage: Three-phase 0 to input voltage range

- Frequency range: 0.1 Hz to 400 Hz

- Control method: V/f (Voltage/Frequency) control or sensorless vector control

- Communication interfaces: RS-485 (Modbus protocol supported)

- Protective features: Overload, overvoltage, undervoltage, overcurrent, overheat, and short circuit protection