on Google API big data integrates all website data (listing, weight, ranking, traffic, inquiry), so that each website has its own keyword database and weekly keyword monitoring systemWebsite data operation system developed based on Google API big data integrates all website data (listing, weight, ranking, traffic, inquiry), so that each website has its own keyword database and weekly keyword monitoring systemWebsite data operation system developed based on Google API big data integrates all website data (listing, weight, ranking, traffic, inquiry), so that each website has its own keyword database and weekly keyword monitoring systemThe Delta VFD004EL21W is a frequency converter or inverter produced by Delta Electronics. It is used to control the speed and torque of three-phase induction motors. Here are some specifications of the VFD004EL21W:

1. Model: VFD004EL21W

2. Power Rating: 0.4 kW (0.5 HP)

3. Input Voltage: 200-240V AC, Single Phase

4. Output Voltage: 0-240V AC, Three Phase

5. Output Frequency Range: 0-400 Hz

6. Control Method: V/F control (Voltage and Frequency control)

7. Protection Features: Overload protection, overvoltage protection, undervoltage protection, short circuit protection, etc.

8. Programming Interface: Built-in keypad and LCD display for parameter settings and monitoring

9. Communication Interfaces: Modbus, RS-485 (optional)

The VFD004EL21W is commonly used in various applications such as fans, pumps, conveyors, and other machinery requiring variable speed control. It provides precise and efficient motor control, energy savings, and protection features for the connected motor.