Flat radial fan sound-proofed, Silent Box SB, DN 125-250 (V = up to 1190 m³/h)

• Extracted volume from 230 to 1190 m³/h
• Energy-efficient radial fan with forward curved drum wheel
• Virtually silent with higher volume and pressure output
• Sound-absorbing perforated sheet, inner lining with 50 mm thick mineral fibreboard
• Suction and exhaust vent with lip sealing rings
• Removable inspection lid/fan can be swivelled
• Voltage: 230 V AC/1 PH/50 Hz
• Protection type: IP 44
• Thermal class: F
• Speed control using voltage reduction
• Max. flow temperature: +70°C
• Housing: galvanised sheet steel
• Motor: ball bearing mounted, maintenance-free
• Installation position: any
• Overload protection