

The 40 × 40 × 56 mm XG40561BX-1Q490-S9H brings 12 VDC DC blower cooling to servers and data-center electronics. 7.2 Pa maximum pressure is the standout documented duty-point value. For application screening, start with the supplied equipment fit. Validate approvals and protection at complete-part-number level.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 40x40x56 |
| Max.Air Flow(m³/h) | 40.6 |
| Max.Pressure(Pa) | 7.2 |
| Input Power(W) | 28.8 |
| Speed(rpm) | 30000/27000 |
| Noise(db) | 73.3 |
The SUNON XG40561BX-1Q490-S9H positions a DC brushless axial fan for industrial equipment. Its airflow path supports heat removal from enclosed components and toward the equipment exhaust.
The SUNON product series carries RoHS compliance and recognized safety approvals; buyers should confirm the approval marks for this exact suffix and target market. Correct airflow direction and inlet clearance help translate the documented operating point into reliable equipment-level cooling.
Design approval for XG40561BX-1Q490-S9H should cover cable routing together with airflow mapping for service documentation. This creates a practical link between thermal validation, purchasing documentation and future servicing. Secure conductors away from the impeller and high-temperature components.
The listed rating is 12 VDC. Verify polarity or mains frequency, wiring, and protection before commissioning.
Verify supply, wiring, obstructions, impeller movement, and protection status. Use the model datasheet before replacement or repair.
The exact bearing option is not confirmed by the row-level data. Check the complete suffix in the current SUNON specification.
The worksheet lists 28.8 W input. Check supply capacity and operating conditions before commissioning.
It is listed for servers and data-center electronics. Check dimensions, airflow, pressure, and the installation environment against the actual equipment.

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