| ?40mm Wheel + BLDC Motor NDF40 Series Crossflow Blowers |
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Brief Introduction :
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Wheel: | Aluminum Alloy | Insulation System: | Class E, B, F or H As Request |
Housing: | Galvanized Sheet or E-Coating | Operating Temperature: | -10℃ To +70℃ |
Motor Type: | Brushless DC Motor | Overheating Protection: | T.P. or Z.P. |
Bearing: | Ball Bearing or Bronze Sleeve | Electrical Connection: | Lead Wire |
Power Supply: | DC 5V, 12V, 18V, 24V or As Request | RoHS Compliance: | As Needed |
Information download:
P19 DF40 series.pdf
Outline Dimensions (All dimensions in millimeters) : |

Technical Performances (based on free air conditions) : |
No. | Specifications Models | Rated Volt. | Input Current | Output Speed | Max. Airflow | Max. Static Pressure | Noise Level | Dimensions |
Metric | American | Metric | American | A | B |
(VDC) | (Amps) | (rpm) | (m3/h) | (CFM) | (Pa) | (in H2O) | [dB(A)] | (mm) | (mm) |
① | NDF40150-BL3725 | 5 | 0.043 | 2600 | 60 | 35.3 | 25 | 0.1005 | 37 | 160 | 40 |
② | NDF40200-BL3725 | 12 | 0.045 | 2600 | 95 | 55.9 | 27 | 0.1086 | 38 | 200 | 40 |
③ | NDF40250-BL3725 | 18 | 0.048 | 2600 | 130 | 76.4 | 28 | 0.1126 | 41 | 250 | 40 |
④ | NDF40300-BL3725 | 24 | 0.050 | 2600 | 160 | 94.1 | 28 | 0.1126 | 43 | 300 | 40 |

Remarks:
This catalog listed just some typical models. The performances as above are just for reference only. We can adjust the specifications according to what the customer needs. OEM & ODM are both welcome.