HRFD 710/4/4 TK 1,2/2,2 kW
HRFD 710/4/4 TK 1,2/2,2 kW
High efficiency axial fan 3-ph., 2 speed, S/D-motor air flow direction "B"
Ref.-No. 06936
Features
High efficiency axial fan with cylindrical duct with flanges on both ends, directly driven. Short cylindrical casing in galvanised sheet steel covering impeller (motor protrudes at rear) with two flanges on both ends. Dimensions and flange fixing holes to DIN 24155. High efficiency impeller with 7 blades from impact resistant polymers, hub made from galvanised steel. Dynamically balanced to class G 6.3 VDI 2060. Totally enclosed, 3-phase squirrel cage motor, 2-speed star/delta switching. Maintenance free, low-noise sealed for life ball bearings.Additional data and accessories
Technical Data
General Information
| Ref.-No.: | 06936 |
|---|---|
| Type: | HRFD 710/4/4 TK 1,2/2,2 kW |
| Angle adjustable: | 26 |
| Flow rate free-blowing: | 23280 m³/h |
| Speed control: | ELECTRIC / FREQUENCY |
| RPM: | 1030/1340 min-1 |
| Number of poles: | 4 / 4 |
| Voltage: | 400 / 400 V , 3 W , 50 ph |
| Rated current (FLC) uncontrolled: | 3/5.2 A |
| Nominal power: | 1200/2200 W |
| Max. air flow temperature: | 40 °C |
| IP protection category: | 55 |
| Insulation class: | F |
| PRODUCT_DETAILPAGE_wheel_diameter: | 710 |
| Weight: | 60 kg |
| Wiring diagram no.: | 520 |