Delta VFD185ED43S Variable Frequency Drive
Delta VFD185ED43S Variable Frequency Drive is designed for industrial motor automation systems requiring controlled speed operation and reliable power management. This Delta 18.5kW 25HP VFD supports three-phase 380–480 VAC input power and delivers 38 A rated output current for demanding machine applications. The drive uses fan cooling with an IP20 enclosure suitable for electrical cabinet mounting in industrial control systems. Manufactured by Delta, this model belongs to the motor drive solutions category and is part of the ED drive series used across factory automation and process control applications.
| Brand | Delta |
| Product | VFD |
| Model Number | VFD185ED43S |
Delta VFD185ED43S Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Input Rated Voltage (V) | Three-phase 380 ~ 480 |
| Applicable Motor Output ( kW) | 18.5 kW |
| Applicable Motor Output (HP) | 25 HP |
| Output Capacity (kVA) | 30.3 kVA |
| Output Current (A) | 38 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% (342 ~ 528) |
| Net Weight (kg) | 10 Kg |
The DELTA VFD185ED43S Variable Frequency Drive is widely used in industrial equipment where controlled motor speed and stable torque output are important for machine performance. Applications involving large conveyors, pumps, compressors, and processing machinery benefit from smoother acceleration and controlled operational response during changing load conditions. Its 18.5 kW capacity supports automation systems handling medium to heavy-duty production activity.
Many manufacturing facilities integrate the VFD185ED43S into centralized control panels to improve machine efficiency and reduce electrical stress during motor startup. The drive supports balanced motor operation across long production cycles while helping maintain process consistency in automated systems. Its cooling arrangement and internal drive structure are suitable for industrial environments requiring dependable motor regulation throughout continuous machine usage.
For automation professionals selecting a Delta 18.5kW 25HP VFD, the VFD185ED43S provides a practical combination of motor control precision, installation flexibility, and industrial reliability. The model fits both new automation installations and replacement projects involving three-phase AC motor systems. Within the Delta drive category, it remains a preferred choice for applications requiring dependable variable frequency control and stable industrial motor performance.

