The Delta VFD17AMS43ANSAA is a variable frequency drive (inverter) manufactured by Delta Electronics. It is designed to control and regulate the speed of a three-phase induction motor. The "VFD17" in the model number indicates that it has a power rating of 17 kilowatts (kW). The "AMS43" represents the series and features of the drive, while "ANSAA" denotes the specific product variant.

Some key features and specifications of the Delta VFD17AMS43ANSAA include:

1. Power Output: 17 kW (22 HP)

2. Supply Voltage: Three-phase, 380-480V AC, ±10%

3. Control Method: Sensorless Vector Control or V/F Control (Voltage/Frequency)

4. Output Frequency: 0-400 Hz

5. Overload Capacity: 150% rated current for 60 seconds, 200% rated current for 0.5 seconds

6. Communications: Built-in Modbus (RS-485) communication protocol

7. Protection Functions: Overvoltage, undervoltage, overcurrent, overload, short circuit, motor phase loss, motor phase unbalance, etc.

8. Digital Inputs and Outputs: Multiple digital inputs and outputs for control and monitoring purposes

9. Analog Inputs and Outputs: Several analog inputs and outputs for various control signals

10. Keypad: Compact detachable keypad with an LCD display for programming and monitoring parameters

11. Fault History: Stores up to 16 fault codes for troubleshooting purposes