Delta VFD004E21C Variable Frequency Drive
Delta VFD004E21C Variable Frequency Drive is designed for compact industrial automation systems requiring stable low-power motor speed control and efficient panel integration. This Delta 0.5HP 230V VFD supports 0.4 kW motor applications using a single-phase 200–240 VAC input supply and delivers 2.5 A rated output current for controlled machine operation. The drive uses natural cooling with an IP20 enclosure suitable for compact electrical cabinet installations in automation environments. Manufactured by Delta, this model belongs to the compact drive solutions category and is part of the E series drives used across industrial motor automation applications.
| Brand | Delta |
| Product | VFD |
| Model Number | VFD004E21C |
Delta VFD004E21C Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Input Voltage / Frequency | 230V, Single-phase, 200-240V, 50/60Hz |
| Applicable Motor Output ( kW) | 0.4 kW |
| Applicable Motor Output (HP) | 0.5 HP |
| Output Capacity (kVA) | 1 kVA |
| Output Current (A) | 2.5 A |
| Cooling Method | Natural cooling |
| IP Level | IP20 |
| Pollution Degree | 2 |
| Storage/Transportation Temperature | -20ºC to 60ºC |
| Ambient Humidity | Below 90% RH (non-condensing) |
| V/F Pattern | Adjustable V/F pattern |
| Version Type | C: CANopen |
| Input Frequency Tolerance | ±5% (47-63Hz) |
| Voltage Tolerance | ±10% (180-264V) |
| Net Weight (kg) | 1.1 kg |
The DELTA VFD004E21C Variable Frequency Drive is commonly used in compact automation equipment where smooth motor acceleration and controlled speed regulation improve machine performance. Applications involving small conveyors, compact fans, laboratory systems, and light-duty process equipment benefit from stable low-power motor control during continuous operation. Its 230V single-phase configuration makes it suitable for compact industrial setups requiring dependable drive performance.
Control panels integrating the VFD004E21C can improve motor management while reducing electrical stress caused by direct startup conditions. The drive supports balanced machine operation across repeated production cycles and helps maintain stable automation performance in compact installations. Its natural cooling structure and space-efficient dimensions are suitable for applications requiring simplified cabinet integration and organized panel layouts.
For automation engineers selecting a Delta 0.5HP 230V VFD, the VFD004E21C provides a practical combination of compact installation, dependable speed control, and industrial reliability. The model supports both new automation projects and replacement requirements involving low-power single-phase motor systems. Within the Delta drive category, it remains a suitable solution for applications requiring controlled variable frequency operation in compact automation environments.
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