| Size： | 550mm |
| Motor wires: | 100% pure copper motor wires |
| Bearing: | Ball |
Item code: 550FZL-D External rotor fan
Housing: Iron, Painted Black
Impeller: Steel, Painted Black
Lead Wire: UL 1007 AWG#22
Termination: Lead wire, no connector
Operating Temperature: -30℃ to +60℃ for Ball Type
| Model | Bearing System | Voltage VAC | Freq Hz | Current A | Power W | Speed RPM | Noise dBA | Air Flow CFM | Phase | CapacitorμF/VAC |
| 550FZL2-D | Ball | 200/240 | 50/60 | 2.1 | 500 | 1300/1420 | 70/73 | 4825/5237 | 1 | 10/500 |
| 550FZL3-D | Ball | 380/420 | 50/60 | 0.95 | 500 | 1300/1420 | 70/73 | 4825/5237 | 3 | / |
| 550FZY4-D | Ball | 380/420 | 50/60 | 1.5 | 500 | 1300/1420 | 70/73 | 4825/5237 | 1 | 5/500 |
| 550FZY10-D | Ball | 200/240 | 50/60 | 1.2 | 280 | 900/980 | 68/71 | 3653/4013 | 1 | 8/500 |
| 550FZY11-D | Ball | 380/420 | 50/60 | 0.72 | 280 | 900/980 | 68/71 | 3653/4013 | 3 | / |
| 550FZY12-D | Ball | 380/420 | 50/60 | 0.85 | 280 | 900/980 | 68/71 | 3653/4013 | 1 | 4/500 |
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