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Square black centrifugal blower with side exhaust and wire leads

Fans

Fans RL48-18/12 24V 0.21A 5W turbo blower case fan

SKU CH-T7FP-NCNNA

A 24 V DC centrifugal blower delivering 28 m³/h at 4400 rpm with 57 dB noise and ball-bearing reliability in a 75.5 × 75.2 × 27 mm frame

  • Delivers 28 m³/h airflow for targeted component cooling
  • Centrifugal blower design produces high static pressure in tight spaces
  • 24 V DC operation with 0.21 A draw keeps power use low
  • Ball bearing construction supports continuous high-temperature running
  • Compact 75.5 x 75.2 x 27 mm frame fits confined chassis layouts

Compact 24 V centrifugal blower

The RL48-18/12 is a 24 V DC centrifugal blower designed for space-constrained enclosures where airflow must turn ninety degrees from the intake. Its forward-curved impeller and integrated scroll housing deliver 28 m³/h at 4400 rpm, making it suited for industrial chassis, telecom shelves or custom GPU shrouds that demand directed high-static-pressure cooling.

Thermals noise and power

Ball-bearing construction and locked-rotor protection support continuous operation at elevated ambient temperatures while drawing 5 W at 0.21 A. The unit registers 57 dB at full speed, a level typical for compact blowers of this pressure class, and the electronic rectification ensures stable current without external drive circuitry.

Mounting and compliance

Two mounting tabs spaced 67.1 mm vertically and 45.7 mm horizontally align with the RL48 series footprint, allowing drop-in replacement for the RL48-19/14 variant. UL recognition confirms the safety rating for commercial and industrial deployments, and the flying leads simplify wiring in tight looms.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $30.99
Pricier than about 76% of the 8,339 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I mount the RL48-18/12 blower and which spacing do I use?

Mount using the 67.1 mm vertical and 45.7 mm horizontal hole centres; the blower body is 75.5 x 75.2 x 27 mm so verify clearance before securing.

What maintenance does the ball-bearing motor need over time?

The ball bearings are sealed for life; no lubrication is required, but dust build-up on the impeller should be cleaned with compressed air to keep airflow at 28 m³/h.

At what point does noise become the limiting factor during continuous operation?

The fan runs at a constant 4400 rpm producing 57 dB; under sustained load this acoustic level is reached immediately and does not increase further.

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