

RL48-19/12 is a 12 VDC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 4.6 W input power for the listed electrical version. It also lists 28 m³/h maximum airflow stated for this model. Review cooling margin for system integration. Check the exact variant before ordering.
| 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.
The centrifugal format helps maintain airflow through components that introduce pressure loss, including filters and dense thermal assemblies.
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 components because these elements influence delivered airflow. Keep the model reference unchanged in replacement documentation. Check environmental limits in the original product data.
The application of RL48-19/12 covers air-handling units; here, the DC centrifugal fan moves air through coils and filters. The selected fan should remain linked to test records so later sourcing decisions preserve the approved thermal management result.
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 enclosure, filters and heat exchangers can add resistance that must be considered during selection.
When production in electrical cabinets and industrial electronics, RL48-19/12 removes enclosure hot spots within the available assembly space. The surrounding enclosure, filters and heat exchangers can add resistance that must be considered during selection.
Verify the listed size, mounting pattern, fan housing or nozzle arrangement, airflow direction, and service clearance against the equipment drawing.
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 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.
Compare the full model suffix, voltage, size, motor or controller type, mounting, airflow, pressure, power, speed, and protection; do not copy data from a similar model.
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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