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Black square frame fan with centred rotor and visible wiring

Fans

Fans 3615RL-05W-B40 9038 9CM 24V 0.73A waterproof inverter cooling fan

SKU CH-22BS-Q1BN7

24 V axial fan rated at 0.73 A with waterproof construction for inverter cooling

  • Original NMB build ensures reliable industrial cooling
  • 24 V 0.73 A input matches inverter power supplies
  • Waterproof construction protects against moisture ingress
  • 9 cm frame fits standard 9038 mounting points
  • Suited for medical, rail and new-energy vehicle systems

24V 0.73A Waterproof Inverter Cooling Fan

This 24V 0.73A waterproof inverter cooling fan is built for industrial and embedded systems that need reliable airflow in damp or exposed locations. It suits medical equipment, rail vehicles, new energy vehicles and hotel infrastructure where moisture resistance is required. The unit fits drive cooling and electronic product enclosures that demand a sealed fan assembly.

9CM Axial Design for Steady Thermals and Low Noise

The 9CM axial layout moves air efficiently through tight enclosures while keeping acoustic output low during normal operation. Running at 24V and 0.73A, the inverter motor delivers consistent speed without the voltage sag that can raise temperatures. Waterproof sealing prevents ingress that would otherwise degrade bearing life and increase noise over time.

Sustained Load Stability in Harsh Environments

Under continuous duty the fan maintains stable rotational speed thanks to the inverter drive, avoiding the thermal drift seen in direct-drive alternatives. Waterproof construction ensures performance does not decline when condensation or spray is present, making it suitable for supermarket refrigeration, industrial cleaning gear and other always-on applications.

Highlights

  • Original NMB build ensures reliable industrial cooling
  • 24 V 0.73 A input matches inverter power supplies
  • Waterproof construction protects against moisture ingress
  • 9 cm frame fits standard 9038 mounting points
  • Suited for medical, rail and new-energy vehicle systems

Specifications

No published specifications for this item yet.

Questions about this item

How is the 3615RL-05W-B40 9038 fan mounted in a 9CM cutout?

Align the four corner holes with the chassis screws, insert the fan so the label faces the airflow direction, then tighten each screw evenly; the step most people miss is checking that the rubber gasket seats flat before final torque.

What maintenance does the waterproof 24V 0.73A inverter cooling fan need over time?

Inspect the intake grille every six months for dust buildup, wipe the blades with a dry cloth, and verify the IP-rated seal remains intact; no lubrication is required because the bearing is sealed for life.

At what point does the 3615RL-05W-B40 hit its thermal limit during continuous 24V operation?

The motor winding reaches its rated temperature ceiling first; sustained loads above 0.73A cause the internal protection to reduce speed, so keep ambient temperature below the rated maximum to avoid throttling.

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