Description
VFD 300 S3 Series – Single Phase 220V Input / Three Phase 380V Output
The VFD 300 S3 Series converts single-phase 220V input to three-phase 380V output, providing a cost-effective solution for running three-phase 380V motors where only single-phase power is available.
Key Features
- Output Frequency: 0-3000Hz
- Overload Capacity: 150% rated current for 1 minute, 180% for 3 seconds
- Control Method: Optimized SVPWM control
- Control Mode: Sensorless vector control
- Frequency Resolution: Digital 0.01Hz; Analog max frequency ×0.025%
- Automatic torque boost: 0.1%-30.0%
- Built-in PID closed-loop control
- Multi-speed operation via built-in PLC
- RS485 communication support
- Comprehensive protection functions
Model Specifications
| Model | Rated Current | Dimensions (H×W×D mm) | IGBT |
|---|---|---|---|
| 300-0.75KWG-S3 | Input 4.5A / Output 2.5A | 165×98×128 | Single Tube |
| 300-1.5KWG-S3 | Input 8A / Output 3.7A | 165×98×128 | Single Tube |
| 300-2.2KWG-S3 | Input 12A / Output 5A | 165×98×128 | Single Tube |
| 300-3KWG-S3 | Input 15A / Output 6.8A | 165×98×128 | Single Tube |
| 300-4KWG-S3 | Input 18A / Output 9A | 187×100×137.5 | Single Tube |
| 300-5.5KWG-S3 | Input 25A / Output 13A | 187×100×137.5 | Single Tube |
| 300-7.5KWG-S3 | Input 34A / Output 17A | 220×130×177.5 | Single Tube |
| 300-11KWG-S3 | Input 50A / Output 25A | 220×130×177.5 | Single Tube |
Electrical Specifications
| Power Range | Input Voltage | Output Voltage | Output Frequency |
|---|---|---|---|
| 0.75kW – 11kW | Single Phase 220V 50/60Hz | Three Phase 0-380V | 0-600Hz |
Applications: Industrial machinery, CNC equipment, conveyor systems, and any application requiring three-phase 380V motor operation from single-phase 220V supply.
OEM & ODM available. Contact us for pricing and technical support.
Control Circuit Wiring Diagrams
The following diagrams show the control circuit terminal layout and wiring for each main board type used in the 300 Series. The board type varies by model and power rating.
Main Circuit Terminal Layout
Main Circuit Terminal Layout (R/L1, S/L2, T — PP, PB — U, V, W — G, E)
Control Board Wiring Diagrams
A-Type Main Board Wiring Diagram
Wiring Notes:
- Analog voltage signals require shielded cables; wiring distance should not exceed 20m.
- In severe interference environments, equip analog signal source side with filter capacitor or ferrite core.
- Terminal assignments may vary by model — refer to actual product labeling.
Control Circuit Wiring Diagrams
The following diagrams show the control circuit terminal layout and wiring for each main board type used in the 300 Series. The board type varies by model and power rating.
Main Circuit Terminal Layout
Main Circuit Terminal Layout (R/L1, S/L2, T — PP, PB — U, V, W — G, E)
Control Board Wiring Diagrams
A-Type Main Board Wiring Diagram
Wiring Notes:
- Analog voltage signals require shielded cables; wiring distance should not exceed 20m.
- In severe interference environments, equip analog signal source side with filter capacitor or ferrite core.
- Terminal assignments may vary by model — refer to actual product labeling.
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