HQD 250/4 Ex
HQD 250/4 Ex
High efficiency axial fan, 3-ph., explosion-proof II 2G Ex h IIB + H2 T3 Gb, with guard
Ref.-No. 1144
Features
Square plate high efficiency axial fan with inlet cone, directly driven, explosion proof according to ATEX. Square mounting plate with drawn bell mouth inlet in galvanised sheet-steel. High efficient, profiled impeller with 7 blades, dynamically balanced to DIN ISO 1940 and VDI 2060 class 6.3, manufactured from impact resistant anti static polymers. Suitable for -30°C to +40°C. Electrical resistance of less than 1 Ohm. Totally enclosed, maintenance free 3-phase squirrel cage motor, low noise sealed for life ball bearings, not controllable. Explosion proof execution according to ATEX.Additional data and accessories
Technical Data
General Information
| Ref.-No.: | 1144 |
|---|---|
| Type: | HQD 250/4 Ex |
| Flow rate free-blowing: | 950 m³/h |
| RPM: | 1355 min-1 |
| Number of poles: | 4 |
| Voltage: | 400 V , 3 ph , 50 Hz |
| Rated current (FLC) uncontrolled: | 0.37 A |
| Nominal power: | 120 W |
| Max. air flow temperature (uncontrolled): | 40 °C |
| Explosion proof: | |
| IP protection category: | 55 |
| Insulation class: | F |
| PRODUCT_DETAILPAGE_wheel_diameter: | 250 mm |
| Weight: | 9,80 kg |
| Wiring diagram no.: | 470 |
Acoustic data
| Case breakout | 44 dB(A) in 4 m |
|---|
Quicklinks
Additional data and accessories
Installation instructions and data sheets
Here you will find installation instructions and data sheets for our fans and accessory components.
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