| Size： | Φ400mm |
| Motor wires: | 100% pure copper motor wires |
| Bearing: | Ball |
Item code: YWF400 External rotor fan
Housing: Iron or aluminium alloy, Painted Blue
Impeller: Thermoplastic PBT, UL94V-0
Lead Wire: UL 1007 AWG#22
Termination: Lead wire, no connector
Operating Temperature: -30℃ to +60℃ for Ball Type
| Model | Rated Voltage | Frequency | Rated Current | Imput power W | Rated Speed | Air Flow | Poles | Capacitance | Noise Level |
| V AC | Hz | Amp | RPM | M3/hr | μF/V | dBA | |||
| YWF400-2 | 200-240 | 50/60 | 0.9/1.22 | 135/ 190 | 1380/1550 | 2700/3000 | 4 | 5 | 58/60 |
| YWF400-3 | 380-420 | 50/60 | 0.3/0.34 | 135/ 170 | 1360/1500 | 2700/3000 | 4 | / | 58/60 |
| YWF400-6 | 200-240 | 50/60 | 0.4/0.37 | 75/83 | 950/1100 | 1560/1800 | 6 | 3 | 53/54 |
| YWF400-7 | 380-420 | 50/60 | 0.29/0.2 | 70/80 | 920/1050 | 1560/1800 | 6 | / | 53/54 |
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