Delta VFD004EL21W-1 Variable Frequency Drive
Delta VFD004EL21W-1 Variable Frequency Drive is designed for controlled motor operation in compact industrial automation systems. It supports 0.4 kW and 0.5 HP applications with a stable single-phase input range of 200 V to 240 V at 50/60 Hz. This model is commonly identified as vfd004el21w-1 and is used where precise speed and torque adjustment are required. It delivers 2.5 A output current with 1 kVA capacity, ensuring stable motor performance across varying loads. As part of the Delta 0.75kW Inverter category, it is suitable for machines that require efficient and consistent control. Manufactured by Delta automation, it belongs to the motor drive solutions and the EL-W inverter range used in industrial applications.
| Brand | Delta |
| Product Type | VFD |
| Model Number | VFD004EL21W-1 |
Delta VFD004EL21W-1 Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Applicable Motor Output ( kW) | 0.4 kW |
| Applicable Motor Output (HP) | 0.5 HP |
| Input Voltage / Frequency | 230V, Single Phase, AC 200 V ~ 240 V, 50 / 60 Hz |
| Output Current (A) | 2.5 A |
| Output Capacity (kVA) | 1 kVA |
| Cooling Method | Natural Cooling |
| IP Level | IP20 |
| Pollution Degree | 2 |
| Storage/Transportation Temperature | 20’C~60’C |
| Ambient Humidity | Below 90% RH (non-condensing) |
| V/F Pattem | SPWM (Sinusoidal Pulse Width Modulation) control (V/F control) |
| Input Frequency Tolerance | ±5 % (47 Hz ~ 63 Hz) |
| Voltage Tolerance | ±10 % (180 V ~ 264 V) |
| DC Choke | N / A |
| Methods of Packing | -1: Individual Package |
| Net Weight | 1 kg |
The Delta VFD004EL21W-1 is developed to provide stable motor control in applications where compact design and efficient operation are important. It is commonly used in small conveyors, fans, pumps, and light-duty machinery that require controlled speed variation and smooth motor performance. This drive helps maintain consistent output by adjusting motor speed based on load demand, reducing mechanical stress and improving overall system efficiency.
With a 0.4 kW capacity, the unit supports gradual acceleration and controlled deceleration, allowing better handling of motor-driven processes. The natural cooling structure ensures thermal stability without additional cooling requirements, making it suitable for enclosed panel installations. Its IP20 enclosure supports safe integration inside cabinets, helping maintain organized layouts and efficient space usage in control systems.
The EL-W platform is designed to perform reliably under standard industrial electrical conditions while maintaining stable output characteristics. It integrates easily into automation setups and supports long-term operation where consistent motor control is required. This makes the VFD004EL21W series a practical solution for applications that demand dependable performance, compact installation, and efficient motor control across industrial environments.
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