| Product Name | EC28 Inch Seven-Blade Axial Flow Negative Pressure Fan |
| Model Number | E28K7P |
| Rated Voltage | Three-phase/220V/60Hz/6.8A |
| Motor Parameters | 2.9HP/14P/F-class/IP66 |
| Power Consumption | 1680W |
| Fan Speed Control | 0-10V/RS485 Speed Control |
| Maximum Speed | 1400RPM |
| Maximum Airflow | 22,000 Cubic Meters/Hour |
| Noise Level | ≦82dB |
| Product Dimensions | 95×95×44 cm |
| Product Weight | 43 kg |
| Suggested Retail Price | NT$70,800 |