AMD 250/4 - Medium pressure axial fan 3-PH 400 V

Helios AMD 250/4 - Medium pressure axial fan 3-PH 400 V, 50 Hz TK speed controllable with cylindrical duct casing, flanges on both sides, direct driven.

Long duct casing from sheet steel, enclosing impeller and motor, flanges on both sides with hole pattern to DIN 24155 Pt.3

Axial impeller with 14 aerodynamically profiled blades from polymers. Dynamically balanced to DIN ISO 1940-1, class 6.3 for low-vibration operation.

Totally enclosed 3-phase squirrel cage motor with built-in thermal contacts, maintenance-free, speed controllable by voltage reduction, with low-noise sealed for life ball bearings.