HQD 250/4/2
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
Dahlander windings (pole-changing),
closed design, maintenance-free,
sealed, low noise ball bearing with
long life oil.
Fan-data (default)

Vol.str. 0 Pa at 2000 m3 / h
Vol.str. Betr.pkt. m3 / h
Max Booster 165 Pa
Druckerh. Betriebspkt Pa
Funding density 1.2 kg/m3
Medium Temperature 60 degree C
Angle of 0 degrees
Operating time h
Speed ​​1400 / 1/min
aufgenomm. Power 0,045 / kW
Weight 8.5 kg
83 Sound Power dB (A)
sound pressure at 4 m 63 dB (A)

Voltage 400 Volt
Current consumption 0,2 / 0,4 Amp
AC / AC D
Frequency 50 Hz
B insulation
Degree of protection IP 55
Explosion protection N
Temperature class

Make: Helios
Item: 1128
Type: HQD 250/4/2 TK
______________________________________