DC cross flow fans, also known as tangential or transverse fans, use a direct current (DC) to generate airflow across a long, cylindrical fan impeller. Unlike traditional axial or radial fans, cross flow fans draw air across the fan’s entire length, creating a uniform airflow pattern with minimal turbulence.
Key Features
Tangential Airflow: Smooth, laminar flow of air perpendicular to the fan’s length. Ideal for applications requiring even airflow distribution.
DC Motor Efficiency: With a DC motor, cross flow fans benefit from better energy efficiency, quieter operation, and finer speed control, often adjustable via Pulse Width Modulation (PWM). They are also more compact compared to AC motor-driven fans, making them suitable for restricted spaces.
Impeller Design: The fan impeller consists of many small, evenly spaced blades, forming a cylindrical shape. Air enters the fan at one side of the cylinder and exits on the opposite side, creating an extended “sheet” of airflow.
Compact Design: Cross flow fans tend to be slim and long, making them ideal for tight spaces, such as in appliances, HVAC units, or electronic enclosures.
Common Applications
HVAC Systems: Cross flow fans provide uniform airflow across heating or cooling elements, improving thermal efficiency.
Electronics and Appliances: They are used in ovens, projectors, air curtains, and photocopiers to cool or ventilate components quietly and evenly.
Automotive and Industrial: Used in dashboards, instrument panels, or industrial control cabinets where low-profile and targeted cooling is essential.
Overall, DC cross flow fans are preferred for applications requiring precise airflow control, quiet operation, and compact installation without sacrificing cooling performance.
| Series | Dimensions | Rated Voltage | Input Power | Rated Current | Speed | Air Volume | Max Static Pressure (H2O) | Sound Noise | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | in | V | W | A | RPM | m3/min | CFM | mm/H2O | in/H2O | dBA | |
| MXF60180H | 250 x 98 x 90 | 9.84 x 3.86 x 3.54 | 12, 24 | 14.4 | 0.60–1.20 | 3100 | 3.21 | 113.2 | 5.33 | 0.21 | 52 |
| MXF30290H | 338 x 50 x 48 | 13.31 x 2.00 x 1.91 | 12, 24 | 3.12–4.08 | 0.13–0.34 | 2700 | 1.50 | 52.9 | 2.03 | 0.08 | 36 |
| MXF40290H | 338 x 60 x 60 | 13.31 x 2.36 x 2.36 | 12, 24 | 2.88–6 | 0.12–0.50 | 2000 | 1.91 | 67.4 | 3.05 | 0.12 | 39 |
| MXF50290H | 354 x 70 x 70 | 13.94 x 2.76 x 2.76 | 12, 24 | 4.8–4.92 | 0.20–0.41 | 2100 | 3.20 | 112.9 | 4.32 | 0.17 | 45 |