Delta VFD040CP43A-21 Variable Frequency Drive
Delta VFD040CP43A-21 Variable Frequency Drive is developed for industrial automation systems requiring accurate three-phase motor control with dependable vector-based operation. This Delta 4kW Vector Control VFD supports 5 HP motor applications using a three-phase 380–480 VAC input supply and delivers 10.5 A rated output current for controlled machine performance. The drive uses fan cooling with an IP20 enclosure suitable for electrical cabinet integration in industrial automation environments. Manufactured by Delta, this model belongs to the industrial drive products category and is part of the CP2000 Series used across industrial motor automation applications.
| Brand | Delta |
| Product | VFD |
| Model Number | VFD040CP43A-21 |
Delta VFD040CP43A-21 Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Input Voltage / Frequency | 460V, Three-Phase AC 380V~480V(-15%-+10%),50/60Hz |
| Output Capacity (kVA) Normal Duty | 8.4 kVA |
| Output Current (A) Normal Duty | 10.5 A |
| Applicable Motor Output (kW) Normal Duty | 4 kW |
| Applicable Motor Output (HP) Normal Duty | 5 HP |
| Cooling Method | Fan Cooling |
| Efficiency (%) | 96 |
| IP Level | IP20 |
| NEMA Protection Level | NEMA 1 |
| Storage/Transportation Temperature | -25ºC ~ +70ºC |
| Braking Chopper | Built-In Braking Chopper |
| Control Method | Pulse Width Modulation (PWM) |
| Installation Type | Wall-Mounting |
| V/F Curve | 4 point adjustable V / F curve and square curve |
| Input Frequency Tolerance | 47~63Hz |
| Voltage Tolerance | 232~528Vac |
The DELTA VFD040CP43A-21 Variable Frequency Drive is commonly used in automation equipment where accurate motor regulation improves operational stability and machine efficiency. Applications involving conveyors, pumps, ventilation systems, and process machinery benefit from smooth acceleration and dependable motor control during continuous production activity. Its vector control drive capability supports industrial systems requiring precise speed and torque management under varying load conditions.
Automation panels integrating the VFD040CP43A-21 can improve motor performance 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 under changing process demands. Its fan cooling structure and cabinet-friendly design are suitable for industrial environments requiring dependable thermal management and organized drive installation.
For automation engineers selecting a Delta 4kW Vector Control VFD, the VFD040CP43A-21 provides a practical combination of installation flexibility, dependable motor control, and industrial reliability. The model supports both new automation projects and replacement requirements involving three-phase motor systems. Within the Delta drive category, it remains a suitable solution for applications requiring controlled variable frequency operation in industrial automation environments.
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