Delta VFD037ED21S 5 HP 3.7 kW Variable Frequency Drive
Delta VFD037ED21S Variable Frequency Drive is designed for precise motor control in industrial applications. Supporting single-phase 200–240V input and 3.7 kW (5 HP) motor output, it delivers up to 17A with fan cooling and IP20 protection. Advanced control options including V/F, VF+PG, SVC, FOC+PG, and FOC+PM ensure optimal motor performance across diverse applications. This VFD allows adjustable V/F patterns with four independent points for customized torque control. Explore the Delta Automation Drives, browse the Delta VFD Series, and view the Delta ED Series for complete industrial motor control solutions.
| Brand | Delta |
| Product | VFD |
| Model Number | VFD037ED21S |
Delta VFD037ED21S Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Input Rated Voltage (V) | Single-phase 200 ~ 240 |
| Applicable Motor Output ( kW) | 3.7 kW |
| Applicable Motor Output (HP) | 5 HP |
| Output Capacity (kVA) | 6.8 kVA |
| Output Current (A) | 17 A |
| Cooling Method | Fan cooling |
| IP Level | IP20 |
| Control Method | V / F, VF+PG, SVC, FOC+PG, FOC+PM |
| Storage/Transportation Temperature | -20 ºC ~ 60 ºC |
| Ambient Humidity | Below 90% RH (non-condensing) |
| V/F Pattem | Adjustable V / F curve using 4 independent points |
| Version Type | S |
| Input Frequency Tolerance | ±5% (47 ~ 63) |
| Voltage Tolerance | ±10% (180 ~ 264) |
| Net Weight (kg) | 6 Kg |
The Delta VFD037ED21S Variable Frequency Drive provides reliable and precise motor control for industrial and manufacturing systems. Supporting a 3.7 kW, 5 HP motor, it delivers up to 17A output with a single-phase 200–240V input, ensuring stable performance across diverse applications. Its cooling is managed by an efficient fan system, and the IP20 protection ensures safety in enclosed industrial setups. The drive offers flexible control methods, including V/F, VF+PG, SVC, FOC+PG, and FOC+PM, allowing operators to select the optimal mode for energy efficiency, torque stability, and speed regulation. Adjustable V/F patterns with four independent points provide precise torque management and smoother acceleration for motor-heavy applications. Input frequency tolerance of ±5% and voltage tolerance of ±10% ensure the VFD maintains operation under fluctuating power conditions. Designed to withstand challenging environments, it operates within -20°C to +60°C storage/transportation range and tolerates ambient humidity below 90% non-condensing. Weighing 6 kg, the compact Delta VFD037ED21S fits easily into control panels, reducing installation space requirements. Choosing this VFD ensures durable, efficient, and customizable motor control, backed by IndMALL’s competitive pricing, fast quotations, and dedicated support. This makes it an ideal solution for industrial automation, conveyor systems, pumps, fans, and other equipment requiring reliable variable speed motor management.
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