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. 01144
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.: | 01144 |
---|---|
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 |
Max. air flow temperature (uncontrolled): | 40 °C |
Explosion proof: | |
IP protection category: | 55 |
Insulation class: | F |
PRODUCT_DETAILPAGE_wheel_diameter: | 250 mm |
Weight: | 9.8 kg |
Wiring diagram no.: | 470 |