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Black centrifugal case fan with forward-curved blades and scroll housing

Fans

Fans R1G133-AA65-36 48V 0.7A centrifugal case fan

SKU CH-CMXZ-S60VE

48 V DC centrifugal fan rated 3900 rpm, 28 W, 0.7 A for air-purifier or case cooling

  • Operates reliably from -25 °C to 60 °C
  • 48 V DC input with 36–57 V range fits industrial supplies
  • 3900 rpm centrifugal design delivers 35000 m³/h airflow
  • 28 W power draw at 0.7 A keeps energy use low
  • External rotor motor enables compact, vibration-resistant construction

ebmpapst R1G133-AA65-36 Centrifugal Fan

This original ebmpapst centrifugal fan operates on a 48 VDC nominal supply with a 36 to 57 VDC range. It draws 0.7 A and consumes 28 W while spinning at 3900 rpm. The motor is designated M1G055-BD and the unit is built for continuous industrial airflow duties.

Industrial integrators and airflow engineers

The fan suits system builders who need a high-speed centrifugal blower for equipment cooling, air purification or forced convection in a 48 VDC environment. Buyers who need a low-voltage PWM case fan for a standard desktop motherboard header should look elsewhere.

48 VDC nominal voltage with 36–57 VDC range

This single electrical specification decides whether the fan can be powered by the target system. The 0.7 A current draw and 28 W power rating follow directly from this voltage window.

How it compares

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

Price $46.99
Pricier than about 88% 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

Does my chassis need a 48 V DC supply to run this R1G133-AA65-36 fan?

Yes, the motor M1G055-BD requires a nominal 48 V DC source with a range of 36 .. 57 V DC and will draw 0.7 A at 28 W.

Can I control the 3900 rpm speed with a standard PWM header?

The fan supports 100 % speed control via analog or serial interface, not a typical 4-pin PWM header.

How do I verify the fan is operating within spec after installation?

Measure the current draw at the supply; it should read 0.7 A while the impeller spins at 3900 rpm and the ambient temperature stays between -25 °C and 60 °C.

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