





HA40201V4-1000U-A99 is a 12 VDC axial fan for servers, data-communications equipment, control cabinets. Its main supplied feature is 0.42 W input power for the listed electrical version. It also lists a 40*40*20 mm size specified in the upload data. Review control method for replacement review.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 40*40*20 |
| Max.Air Flow(m³/h) | 5.5 |
| Input Power(W) | 0.42 |
| Speed(rpm) | 4500 |
| Noise(db) | 12.3 |
Designed around the temperature management needs of data centers and communication installation, the SUNON HA40201V4-1000U-A99 provides a DC axial fan format for OEM installation integration.
The listed temperature management flow of 5.5 m3/h remains subject to the resistance and recirculation of the final installation.
The axial layout favors direct air delivery when the surrounding grille, inlet clearance and outlet path are correctly engineered.
Final approval should consider mounting, connector or lead arrangement, temperature management flow direction and access for future service. Preserve the specified temperature management flow direction during assembly. Review the approved electrical interface for the complete suffix. Validate sound and temperature in the finished enclosure.
The SUNON DC axial fan HA40201V4-1000U-A99 addresses thermal demand in servers and data-communication hardware by helping to cools computing and network assemblies. Reviewing the exact electrical interface and environmental limits reinforces a safer production release.
For machinery in power supplies, inverters and control cabinets, SUNON HA40201V4-1000U-A99 acts as a thermal control component that cools power modules and controls. Sustained operation requires an airflow component that integrates cleanly with the machinery architecture.
HA40201V4-1000U-A99 contributes to industrial automation assembly by using its DC axial fan format to ventilates drives and production electronics. Sustained running requires an air movement component that integrates cleanly with the assembly architecture.
When production in medical and laboratory instruments, HA40201V4-1000U-A99 cools enclosed instrument electronics within the available assembly space. OEM application developers can qualify the result in the finished enclosure and document it for repeat production.
The matched source highlights 0.42 W input power for the listed electrical version. Compare that point together with the listed electrical and dimensional data.
Its advantage should be judged from the matched series feature, exact size, electrical rating, and available performance data rather than from a generic fan comparison.
The supplied files do not establish a universal 24/7 duty rating. Validate ambient conditions, duty cycle, protection, and maintenance requirements for continuous use.
The supplied application data covers servers, data-communications equipment, control cabinets. Confirm the installation's airflow, pressure, space, and electrical requirements.
Match the complete model code, voltage, dimensions, mounting arrangement, airflow direction, performance point, and control interface to the equipment.
The upload row lists RoHS compliance, but no additional exact-model certification is confirmed in the supplied feature record.

The HA40201V4-1000U-A99 is SUNON's 12 VDC, 40 × 40 × 20 mm DC axial fan option for telecom cabinets, base stations, and network equipment. A listed noise value of 12.3 dB is the model's key differentiator. Review its model record during replacement evaluation. Check the full suffix before confirming connector details.
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