

4118N/2H4 is a 48 VDC compact axial fan for servers, data-communications equipment, control cabinets. Its main supplied feature is 6800 rpm rated speed in the supplied parameter row. It also lists a 120*120*38 mm size specified in the upload data. Review procurement specification for replacement review.
| Rated Voltage(V) | 48 |
|---|---|
| Size(mm) | 120*120*38 |
| Max.Air Flow(m³/h) | 350 |
| Max.Pressure(Pa) | 400 |
| Input Power(W) | 28 |
| Speed(rpm) | 6800 |
Designed around the thermal control needs of data centers and communication equipment, the ebm-papst 4118N/2H4 provides a DC space-efficient axial fan format for OEM equipment integration.
The listed 48 V supply and 28 W input give electrical designers a defined basis for power and interface planning.
A space-efficient axial structure provides a practical thermal control path for dense devices, short internal passages and localized thermal zones.
Equipment designers gain a traceable thermal control specification that can be reviewed by engineering, purchasing and maintenance teams. Preserve the specified airflow direction during assembly. Review the approved electrical interface for the complete suffix. Validate sound and temperature in the finished enclosure.
The ebm-papst DC tightly packaged axial fan 4118N/2H4 addresses thermal demand in servers and data-communication hardware by helping to cools computing and network assemblies. The machinery benefits from continuous heat removal where passive thermal management alone cannot maintain design margin.
OEM designs for power supplies, inverters and control cabinets use 4118N/2H4 where a DC tightly packaged axial fan must cools power modules and controls. Engineering teams should verify mounting, air delivery direction and unit resistance to preserve the intended application value.
The application of 4118N/2H4 covers industrial automation equipment; here, the DC tightly packaged axial fan ventilates drives and production electronics. The application value comes from steady heat removal, controlled integration and verifiable replacement planning.
When production in medical and laboratory instruments, 4118N/2H4 cools enclosed instrument electronics within the available hardware space. Service teams benefit when the full suffix and installation position remain recorded in hardware documentation.
The product is classified as a compact axial fan. Use the full model code because nearby variants can differ in motor, mounting, and controls.
No exact IP protection level is stated for this item in the supplied sources. Confirm it before use in dusty, wet, or harsh locations.
Speed-control support is not stated for this exact item in the supplied sources. Confirm the motor and controller version before specifying control hardware.
No guaranteed lead time is provided in the supplied sources. Confirm current stock, required quantity, production schedule, and shipping date with the supplier.
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.

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