The VFD015EL21A is a model of variable frequency drive (inverter) manufactured by Delta Electronics. It is designed to control the speed and torque of three-phase induction motors in various industrial applications. Here are some key specifications and features of the VFD015EL21A:

1. Power Rating: The VFD015EL21A is rated for a maximum motor power of 1.5 kW (2 HP).

2. Input Voltage: It operates on a three-phase power supply with an input voltage range of 380-480V.

3. Output Current: The maximum output current of the VFD015EL21A is 3.7 A.

4. Control Modes: It supports various control modes, including V/f (Voltage/frequency) control and sensorless vector control.

5. Communications: The inverter provides several communication options like RS-485 (Modbus) and CANopen, enabling integration with a wider control system.

6. Protection Features: The VFD015EL21A includes several protection features such as overvoltage protection, undervoltage protection, overcurrent protection, and overload protection, ensuring safe operation of the motor and the drive itself.

7. Built-in Functions: It offers multiple built-in functions, including PID control, automatic torque boost, stall prevention, and flying start.