HQD 250/4
Axial high-performance fan
Axial fan with high-performance quad-
ratischer mounting plate, inlet nozzle,
directly driven.
Square mounting plate with attached form-
ter nozzle made of galvanized sheet steel,
two coats of varnish, paint papyrus-looking.
Impeller with 7 blades made of thermoplastic.
High efficiency, low operating
noise. Vibration-free operation through
Dynamic balancing to grade G 6.3
VDI 2060 and DIN ISO 1940. Can be used in
The range of -30 to +60 degrees C.
Three-phase squirrel-cage motor with
Voltage reduction speed controllable
Thermal contacts, closed design,
maintenance-free, sealed, low-noise
Ball bearing with long life oil.
Fan-data (default)

Vol.str. 0 Pa at 1040 m3 / h
Vol.str. Betr.pkt. m3 / h
Max pressure 44 Pa increase
Druckerh. Betriebspkt Pa
Funding density 1.2 kg/m3
Medium temperature 40 degC
Angle of 0 degrees
Operating time h
Speed ​​1410 1/min
aufgenomm. Power 0.055 kW
Weight 6.5kg
Sound power 64 dB (A)
Sound pressure at 4m 44 dB (A)

Voltage 400 Volt
Current consumption 0.2 Amp
AC / AC D
Frequency 50 Hz
B insulation
Degree of protection IP 55
Explosion protection N
Temperature class

Make: Helios
Item No.: 1115
Type: HQD 250/4 TK
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