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120mm metal centrifugal fan with aluminium housing and galvanised steel impeller

Ebm-Papst

Ebm-Papst No.G2E120-AR77-01 120mm AC Centrifugal Case Fan 230V 2450rpm

SKU CH-PB9T-VK60A MPN No.G2E120-AR77-01

A 120 mm AC centrifugal fan with ball-bearing motor runs at 2450 rpm on 230 V, drawing 0.35 A and delivering IP44 protection

  • TypeAC centrifugal fan
  • Bearing TypeBall Bearing
  • RPM2450 rpm
  • 120 mm forward-leaning centrifugal design moves air through restricted chassis paths
  • 2450 rpm at 60 Hz delivers strong static pressure for dense heatsink arrays
  • Ball-bearing motor rated for continuous 230 V AC operation reduces maintenance intervals
  • IP44-rated die-cast aluminium housing resists dust and splashing water in industrial environments
  • CE-marked construction meets European safety and EMC requirements for rackmount deployment

Industrial AC Centrifugal Fan 230V

The Ebm-Papst G2E120-AR77-01 is a 120mm forward-leaning centrifugal fan designed for 230VAC mains operation. It uses a ball-bearing motor rated for 50/60Hz and delivers 2450rpm at 100W power consumption. The all-metal construction with die-cast aluminium housing and galvanised steel impeller suits industrial enclosure cooling.

IP44 Protection and Insulation Class B

The unit carries an IP44 ingress protection rating and insulation class B, allowing operation in ambient temperatures from -25°C to 55°C. A 450VDB capacitor is specified for the single-phase AC motor. These ratings determine whether the fan meets the environmental and electrical safety requirements of the target enclosure.

Suited for Mains-Powered Enclosure Ventilation

This fan suits builders who need direct 230VAC drive without a separate DC supply and who require the pressure characteristics of a centrifugal impeller. It is not for low-voltage DC systems, noise-sensitive desktop builds, or applications needing variable speed control via PWM.

Highlights

  • 120 mm forward-leaning centrifugal design moves air through restricted chassis paths
  • 2450 rpm at 60 Hz delivers strong static pressure for dense heatsink arrays
  • Ball-bearing motor rated for continuous 230 V AC operation reduces maintenance intervals
  • IP44-rated die-cast aluminium housing resists dust and splashing water in industrial environments
  • CE-marked construction meets European safety and EMC requirements for rackmount deployment

Specifications

BrandEbmpapst
ModelG2E120-AR77-01
TypeAC centrifugal fan
Bearing TypeBall Bearing
RPM2450 rpm

Questions about this item

What does the 2450 rpm figure mean when the fan is installed in a real system?

At 60 Hz the motor runs at 2450 rpm, moving air through the centrifugal impeller at its rated speed for the 230 VAC supply.

The fan connects to 230 VAC mains — what does that cap in practice?

It runs directly on 230 VAC at 50/60 Hz, drawing 0.35/0.44 A and consuming 80/100 W without any external controller.

What physical space and mounting does the 120 mm centrifugal unit need?

The die-cast aluminium housing measures 120 mm with a 68 mm motor; it weighs 2 kg and mounts via the standard centrifugal fan screw pattern.

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