Blauberg Primo 400 Inline Fan | 400mm Mixed-Flow Duct Fan | Up to 3350 m3/h | 3-Speed AC Motor | IPX4 Rated | Quiet & Powerful Air Extractor

The Blauberg Primo 400 is a robust, high-capacity inline mixed-flow duct fan engineered for superior ventilation in industrial and commercial environments. Designed for 400mm duct systems, this powerhouse delivers up to 3350 m3/h of airflow and offers 3 adjustable speed settings for maximum control over performance and noise.

Its mixed-flow impeller ensures high pressure and efficient air movement, while the durable plastic casing with IPX4 ingress protection allows reliable operation in humid or demanding conditions. Whether used for supply or exhaust, the Primo 400 excels in warehouses, grow rooms, greenhouses, or large HVAC systems.

View Data Sheet Here.

Key Features:

• Massive Airflow Range: Operates across 3 speeds:

  • 2677 m3/h at 197W (48 dB)

  • 3136 m3/h at 204W (49 dB)

  • 3350 m3/h at 224W (51 dB)

• Low Noise Output: As quiet as 48 dB(A) at 3m-ideal for noise-sensitive zones.

• AC Motor with Speed Control: Designed for 230V / 50Hz systems with smooth RPM transitions: 1320, 1390, and 1446.

• Plastic Housing with IPX4 Rating: Resists dust and moisture; ideal for harsh or humid environments.

• All-Position Installation: Mount vertically or horizontally-adaptable to any duct layout.

• Reliable Temp Handling: Operates between -25oC and 55oC.

Technical Specs Summary:

• Duct Size: 400mm

• Max Airflow: 3350 m3/h

• Power: 197-224W

• Current Draw: Up to 0.98A

• Speed Range: 1320-1446 RPM

• Sound Level: 48-51 dB(A)

• Weight: 18.5kg

• Voltage/Frequency: 230V, 50Hz

• Ingress Protection: IPX4 (casing), IP20 (motor)

Ideal Applications:

• Agricultural and greenhouse ventilation

• Large-scale HVAC supply and exhaust

• Warehouse air circulation

• Hydroponic and grow room airflow control

• Industrial fresh air intake or extraction

Built for Heavy-Duty Air Management

The Primo 400 gives you professional-grade airflow, whisper-quiet operation, and installation flexibility-backed by Blauberg's engineering excellence. Perfect for projects that demand performance without compromise.