| Product Name | 54-inch seven-leaf DC negative pressure fan |
| Product Model | D54P7A |
| Rated Voltage | Single-phase / 220V / 60Hz / 7.4A |
| Motor Parameters | 1.5HP / 16P / Class F / IP66 |
| Power Consumption | 900W ±5% |
| Fan Speed Control | Stepless Speed Control (with DC Motor Speed Regulator) |
| Maximum Speed | 530 RPM |
| Maximum Air Volume | 40000 cubic meters/hour ±10% |
| Noise Value | ≤74dB (measured 3 meters away from the fan) |
| Fan Blade Size | Seven Blades/ Diameter 48 inches/ Blade Length 53 cm |
| Product Size | 146×146×58 cm |
| Product Weight | 37 kg |
| Suggested Retail Price | NT$27,800 |