Delta VFD185CP4EB-21 Variable Frequency Drive
Delta VFD185CP4EB-21 Variable Frequency Drive is designed for industrial automation systems requiring high-capacity three-phase motor control with dependable energy-handling capability. This Delta 18.5kW Regenerative VFD supports heavy-duty motor applications using a three-phase 380–480 VAC input supply and delivers 75 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 | VFD185CP4EB-21 |
Delta VFD185CP4EB-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 | 30 kVA |
| Output Current (A) Normal Duty | 75 A |
| Applicable Motor Output (kW) Normal Duty | 18.5 kW |
| Applicable Motor Output (HP) Normal Duty | 20 HP |
| Cooling Method | Fan Cooling |
| Efficiency (%) | 96.5 |
| 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 VFD185CP4EB-21 Variable Frequency Drive is commonly used in automation equipment where controlled motor regulation improves operational efficiency and machine reliability. Applications involving conveyors, pumps, ventilation systems, and process machinery benefit from smooth acceleration and dependable motor control during continuous production activity. Its regenerative-ready drive capability supports industrial systems requiring improved energy handling during varying load operation.
Automation panels integrating the VFD185CP4EB-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 18.5kW Regenerative VFD, the VFD185CP4EB-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 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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