Helios Fans VDD 630/6 T120

The Helios VDD 630/6 T120 is a high-performance centrifugal roof fan with vertical discharge, designed for continuous operation in air flows up to 120°C, making it ideal for kitchen exhaust systems compliant with VDI 2052. The efficiency-optimized casing is made from seawater-resistant aluminium and includes an integrated protective guard for durability and safety.

Motor support and base plate components are crafted from galvanised steel with an inlet cone, and the base plate features threaded bolts for easy attachment of intake air accessories, following the DIN 24155 hole pattern (page 3). A bird guard on the outlet side meets DIN EN ISO 13857 safety standards.

This fan incorporates a high-efficiency backward curved centrifugal impeller manufactured from aluminium, dynamically balanced to DIN ISO 1940 – 1 for smooth and reliable performance.

Power is supplied by a speed-controllable, totally enclosed, three-phase external rotor motor with IP54 protection. The motor uses ball bearings with impregnated windings, ensuring maintenance-free operation and radio interference suppression for dependable use in demanding environments.