Delta VFD900CP43A-21 Variable Frequency Drive
Delta VFD900CP43A-21 Variable Frequency Drive is designed for industrial automation systems requiring high-capacity motor control with dependable heavy-duty operational stability. This Delta 125HP VFD supports 90 kW motor applications using a three-phase 380–480 VAC input supply and delivers 180 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 systems category and is part of the CP2000 Series used across industrial motor automation applications.
| Brand | Delta |
| Product | VFD |
| Model Number | VFD900CP43A-21 |
Delta VFD900CP43A-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 | 143 kVA |
| Output Current (A) Normal Duty | 180 A |
| Applicable Motor Output (kW) Normal Duty | 90 kW |
| Applicable Motor Output (HP) Normal Duty | 125 HP |
| Cooling Method | Fan Cooling |
| Efficiency (%) | 97 |
| IP Level | IP20 |
| NEMA Protection Level | NEMA 1 |
| Storage/Transportation Temperature | -25ºC ~ +70ºC |
| Braking Chopper | Optional 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 VFD900CP43A-21 Variable Frequency Drive is commonly used in automation equipment where high-capacity motor regulation improves operational stability and production efficiency. Applications involving conveyors, pumps, compressors, ventilation systems, and heavy-duty process machinery benefit from smooth acceleration and dependable motor control during continuous industrial operation. Its 125HP drive capability supports demanding automation systems requiring stable performance under high-load operating conditions.
Automation panels integrating the VFD900CP43A-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 production 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 125HP VFD, the VFD900CP43A-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 large industrial 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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