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Delta VFD4500C63B-21 Variable Frequency Drive
The Delta VFD4500C63B-21 Variable Frequency Drive is designed for controlled motor operation, supporting 355 kW and 475 HP applications using a stable 3-Phase 525VAC ~ 690VAC, 50 / 60Hz input operation. It delivers a rated 385 A output current with an 442.7 kVA output capacity, enabling dependable speed and torque adjustment across industrial equipment. The drive uses a Fan Cooling method and features an IP20 enclosure suitable for cabinet-integrated environments requiring internal protection. Manufactured by Delta, part of the Delta Variable Frequency Drive family within the Delta C2000 Series.
| Brand | Delta |
| Product | VFD |
| Model Number | VFD4500C63B-21 |
Delta VFD4500C63B-21 Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Input Voltage / Frequency | 3-Phase 525VAC ~ 690VAC ( -15% ~ +10%), 50 / 60Hz |
| Output Capacity (kVA) Normal Duty | 442.7 kVA |
| Output Current (A) Normal Duty | 385 A |
| Applicable Motor Output (kW) Normal Duty | 355 kW |
| Applicable Motor Output (HP) Normal Duty | 475 HP |
| Cooling Method | Fan Cooling |
| Efficiency (%) | 98 |
| IP Level | IP20 |
| NEMA Protection Level | NEMA 1 |
| Storage/Transportation Temperature | -25 ~ 70 |
| Braking Chopper | Optional Braking Chopper |
| Control Method | Pulse Width Modulated (PWM) |
| Installation Type | Wall mount with 690V rated current |
| V/F Curve | 4-point adjustable V/F curve and square curve |
| Input Frequency Tolerance | 47 ~ 63Hz |
| Voltage Tolerance | 446 ~ 759VAC |
| Drive Weight (Kg) | 243Β±5 kg |
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