HSD 250/4
HSD 250/4
High efficiency axial fan 3-ph., 400 V, 50 Hz, TK speed controllable / with safety guard guard
Ref.-No. 00155
Features
High efficiency axial fan with cylindrical duct case with spigot ends, directly driven. Cylindrical duct casing in galvanised sheet steel with two swaged stiffening rings around the circumference. Grille made from impact resistant polymers. Highly efficient, profiled blade impeller from polymers, aerodynamically optimised to the application, dynamically balanced. Suitable for -30 °C to +60 °C. 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.Additional data and accessories
Technical Data
General Information
| Ref.-No.: | 00155 |
|---|---|
| Type: | HSD 250/4 |
| Flow rate free-blowing: | 950 m³/h |
| Speed control: | TRAFO / FREQUENCY |
| RPM: | 1390 min-1 |
| Number of poles: | 4 |
| Voltage: | 400 V , 3 W , 50 ph |
| Rated current (FLC) uncontrolled: | 0.15 A |
| Nominal power: | 55 W |
| Max. air flow temperature (controlled): | 40 °C |
| Max. air flow temperature (uncontrolled): | 60 °C |
| IP protection category: | 54 |
| Insulation class: | B |
| PRODUCT_DETAILPAGE_wheel_diameter: | 250 |
| Weight: | 6.5 kg |
| Wiring diagram no.: | 469 |