

RL48-19/12 is a 12 VDC compact axial fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 28 m³/h maximum airflow stated for this model. It also lists 150 Pa maximum pressure stated for this model. Review procurement specification for equipment design.
| Rated Voltage(V) | 12 |
|---|---|
| Max.Air Flow(m³/h) | 28 |
| Max.Pressure(Pa) | 150 |
| Input Power(W) | 4.6 |
| Speed(rpm) | 4400 |
| Noise(db) | 57 |
The thermal control task in air-handling, HVAC and refrigeration installation calls for managed air movement; ebm-papst RL48-19/12 provides that function in a DC centrifugal fan package.
A space-efficient axial structure provides a engineering-focused thermal control path for dense devices, short internal passages and localized thermal zones.
Listed airflow of 28 m3/h and pressure of 150 Pa provide starting points for duty-point evaluation in the completed unit.
Unit validation should include realistic filters, grilles and neighboring devices because these elements influence delivered airflow. Keep the model reference unchanged in replacement documentation. Check environmental limits in the original product data. Confirm the exact operating point before production release.
In air-handling units, the ebm-papst RL48-19/12 provides forced air movement that moves air through coils and filters. This gives assembly makers a practical accumulated heat removal element that enables application reliability without changing the stated industry direction.
The RL48-19/12 is positioned for HVAC and ventilation systems, helping the completed equipment platform provides supply or exhaust air delivery. Maintaining clear inlet and outlet space helps the installed equipment platform realize the expected thermal management benefit.
ebm-papst supplies model RL48-19/12 for filtration and clean-air assembly, where directed ventilation flow drives air through filters. The surrounding equipment interior, filters and accumulated heat exchangers can add resistance that must be considered during component selection.
Within electrical cabinets and industrial electronics, RL48-19/12 removes equipment interior hot spots as a ebm-papst DC centrifugal fan. Repeatable circulation helps reduce accumulated heat condition gradients across boards, power sections and mechanical assemblies.
The upload row lists 12 VDC. Confirm phase, frequency, terminals, and local supply conditions before wiring.
The upload row lists 57 dB. Confirm the measurement condition and compare noise at the intended operating point.
No model-specific maintenance interval is supplied. Keep the airflow path clean, inspect mounting and electrical connections, and follow the exact product instructions.
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.
It may be evaluated for high-reliability cooling using the supplied parameters, but duty cycle, redundancy, ambient limits, and protection must be confirmed at system level.
Available performance data includes 28 m³/h airflow, 150 Pa pressure, 4.6 W input, 4400 rpm, 57 dB. Obtain the full curve when system resistance or part-load behavior matters.

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