Extractor fan – Blauberg ISO-K 250 4E for commercial kitchens

High pressure drops

The Blauberg ISO-K 250 4E centrifugal extractor fan, housed in a soundproof enclosure for 250 mm ducts, is fitted with a single-phase 230 V 50 Hz AC motor and a backward-curved impeller. It is designed for air supply or exhaust systems where pressure and noise control are required. The maximum declared airflow is 3,400 m³/h, with a noise level of 51 dB(A) measured at a distance of 3 metres. Rated power: 1,500 W; current: 11 A.

The model can handle air up to 100 °C and maintains an IP54 protection rating for both the motor and the casing. The overall dimensions are 575 × 665 × 700 mm, with a length of 675 mm and a weight of 40 kg. The rated speed is 1,500 rpm. Speed control is provided via an external autotransformer or inverter, depending on the installation and the available mains supply. For high-loss ducts.

• Type: sound-insulated in-line centrifugal fan
• Model: ISO-K 250 4E
• Duct diameter: 250 mm
• Power supply: 230 V, 50 Hz, single-phase
• Motor: AC
• Rated power: 1500 W
• Current: 11 A
• Maximum flow rate: 3,400 m³/h
• Rotational speed: 1500 rpm
• Noise level: 51 dB(A) at 3 m
• Air temperature: -20 to +100 °C
• Protection rating: IP54
• Dimensions: 575 × 665 × 700 mm
• Length: 675 mm
• Weight: 40 kg
• Speed control: via external autotransformer or inverter

Specifications