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Centrifugal blower with black housing and curved blades

Fans

Fans K3G280-RR03-H4 blower

SKU CH-RM6C-CBW9E

Centrifugal blower for Siemens inverter cooling, 230 VAC, 460 W, 2550 rpm, operating from −25 °C to 60 °C

  • Genuine Siemens inverter replacement keeps drives running reliably
  • ebm-papst centrifugal design delivers compact, energy-saving airflow
  • 2550 rpm at 460 W provides strong cooling performance
  • Operates from -25 °C to 60 °C for harsh environments
  • Wide 200–277 VAC range suits global power supplies

Siemens Inverter Cooling Replacement

This centrifugal blower is the original equipment fan specified for Siemens inverter units. It is built around an ebm-papst motor and intended for technicians or facilities teams who need a direct drop-in spare to restore factory cooling performance.

230 VAC Single-Phase Integration

The blower operates on a 200 to 277 VAC supply drawing 2.0 A at 460 W, so it connects to standard industrial single-phase power without extra conversion hardware. Its -25 °C to 60 °C ambient rating means it fits existing inverter enclosures without additional climate control.

OEM Motor and Housing Kit

Supplied as the complete K3G280-RR03-H4 assembly, the unit includes the M3G084-DF motor, impeller and scroll housing matched to the Siemens ducting. No separate brackets, wiring adapters or firmware updates are required for installation.

Highlights

  • Genuine Siemens inverter replacement keeps drives running reliably
  • ebm-papst centrifugal design delivers compact, energy-saving airflow
  • 2550 rpm at 460 W provides strong cooling performance
  • Operates from -25 °C to 60 °C for harsh environments
  • Wide 200–277 VAC range suits global power supplies

Specifications

No published specifications for this item yet.

Questions about this item

What is the maximum ambient temperature this blower can operate in continuously?

The blower is rated for a maximum ambient temperature of 60 °C, so it can run continuously in environments up to that limit.

What are the noise, heat and power characteristics when the blower runs all day?

It draws 460 W and 2.0 A at 230 VAC, spins at 2550 rpm and is rated for ambient temperatures up to 60 °C, so sustained heat and power draw remain at those levels.

What voltage supply must already be available for this blower to work?

The blower requires a 230 VAC supply within the 200–277 VAC range, so a compatible mains or inverter output must be present.

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