Delta VFD055C53A-21 Variable Frequency Drive
Delta VFD055C53A-21 Variable Frequency Drive is designed for industrial automation systems requiring dependable motor speed regulation with stable optimized operational performance. This Delta 5.5kW Optimized Performance Drive supports 5 HP motor applications using a three-phase 525Vβ600V AC input supply and delivers 8.2 A rated output current for controlled machine operation. The drive uses fan cooling with an IP20 enclosure suitable for cabinet-integrated industrial environments requiring internal protection. Manufactured by Delta, this model belongs to the industrial drive systems category and is part of the C2000 Series used across industrial motor automation applications.
| Brand | Delta |
| Product | VFD |
| Model Number | VFD055C53A-21 |
Delta VFD055C53A-21 Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Input Voltage / Frequency | 3-Phase 525 VAC ~ 600 VAC ( -15% ~ +10%), 50 / 60 Hz |
| Output Capacity (kVA) Normal Duty | 8.2 kVA |
| Output Current (A) Normal Duty | 8.2 A |
| Applicable Motor Output (kW) Normal Duty | 3.7 kW |
| Applicable Motor Output (HP) Normal Duty | 5 HP |
| Cooling Method | Fan cooling |
| Efficiency (%) | 98 |
| IP Level | IP20 |
| NEMA Protection Level | NEMA 1 |
| Storage/Transportation Temperature | -25 ~ 70 |
| Braking Chopper | Built-IN Braking Chopper |
| Control Method | Pulse Width Modulated (PWM) |
| Installation Type | Wall mount |
| V/F Curve | 4-point adjustable V/F curve and square curve |
| Input Frequency Tolerance | 47 ~ 63Hz |
| Voltage Tolerance | 446 ~ 660 VAC |
| Drive Weight (Kg) | 4.8Β±1 kg |
The DELTA VFD055C53A-21 Variable Frequency Drive is commonly used in industrial automation equipment requiring stable motor speed regulation and dependable torque control. Applications involving conveyors, compressors, pumps, fans, and process machinery benefit from smooth acceleration and controlled operational performance during continuous industrial operation. Its optimized performance drive capability supports reliable machine control across demanding industrial environments requiring stable medium-power motor operation.
Automation systems integrating the VFD055C53A-21 benefit from stable output performance and reduced electrical stress during motor startup conditions. The drive supports balanced machine operation across repeated production cycles while helping improve operational consistency within industrial automation systems. Its fan cooling structure and cabinet-friendly IP20 enclosure make it suitable for organized industrial control panel installations.
For automation engineers searching for a Delta 5.5kW Optimized Performance Drive, the VFD055C53A-21 provides dependable motor control capability, installation flexibility, and stable industrial automation performance. The model supports both new automation projects and replacement requirements involving controlled variable frequency motor operation. Within the Delta drive category, it remains a practical solution for industrial automation environments requiring dependable speed control performance.

