Helios HELI VDD 400/4 roof fan vertical 3-PH, 400 V, 4-pole

The HELI VDD 400/4 is a vertically discharging roof fan designed for efficient ventilation in various applications. With a seawater-resistant aluminum housing and a newly developed high-performance radial impeller, this fan offers optimal performance and durability. The construction includes a motor mounting plate and base plate made of galvanized steel, allowing for secure attachment of suction-side accessories. The fan is equipped with a speed-controllable external rotor motor that operates in a closed design with IP 55 protection class. This ensures high reliability and maintenance-free operation. The HELI VDD 400/4 is ideal for use in demanding environments where both efficiency and safety are important.

• Efficiency-optimized aluminum housing for high efficiency
• High-performance radial impeller with backward-curved blades
• Speed-controllable external rotor motor for flexible application
• Integrated safety guard and protective grille according to DIN EN ISO 13857
• Maintenance-free and interference-free operation with IP 65 disconnect switch.