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Centrifugal fan with black metal housing and curved blades, 133 mm diameter

Fans

Fans D1G133-AB39-22Motor case fan 48V 105W 133mm 1780rpm

SKU CH-3QBH-5837G MPN D1G133-AB39-22Motor

Centrifugal 133 mm case fan runs at 1780 rpm on 48 V, drawing 2.8 A for 105 W cooling power

  • 105 W motor delivers strong airflow for demanding cooling
  • 48 V DC input with 36–57 V range fits industrial power supplies
  • 1780 rpm centrifugal impeller moves high air volumes efficiently
  • 133 mm blade diameter suits compact chassis and equipment bays
  • Original ebm-papst German engineering ensures reliable long-term operation

Purpose-built industrial cooling

This ebm-papst centrifugal fan is engineered for Vacon inverter enclosures and similar 48 VDC equipment racks. It targets system integrators and maintenance teams who need a direct replacement blower that matches the original motor specifications exactly.

48 VDC nominal with 36–57 V operating range

The motor draws 2.8 A at 105 W and runs at 1780 rpm on a 133 mm impeller. Voltage tolerance is the critical parameter; the unit will not start reliably outside the stated window and must be paired with a supply that stays within it.

External-rotor motor aids thermal management

The rotor sits inside the impeller so airflow passes directly over the windings, keeping temperatures low at the 6 °C maximum ambient rating. Speed is fully controllable via analog or serial interface, allowing acoustic and power optimisation without extra hardware.

How it compares

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

Price $293.99
Pricier than about 90% 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

What airflow does the 105 W motor deliver inside a Vacon inverter?

The centrifugal impeller moves up to 35,000 m³/h of air through the inverter enclosure at 1,780 rpm.

What voltage range does the 48 V input actually accept?

The fan runs from 36 to 57 VDC, so a regulated 48 V rail or a battery string within that window is required.

What mounting holes does the 133 mm blade housing use?

The steel-plate housing follows the standard ebm-papst centrifugal footprint for direct bolting to the inverter chassis.

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