HRFD 250/2
Axial high-performance fan
Axial high-performance fan pipe sleeve
cylindrical, double flanges,
directly driven.
Cylindrical tube made of galvanized steel
sheet, enclosing with impeller, on both
sides formed flange, hole
DIN 24155thWith external terminal
terminal box.
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 1835 m3 / h
Vol.str. Betr.pkt. m3 / h
Max Booster 125 Pa
Druckerh. Betriebspkt Pa
Funding density 1.2 kg/m3
Medium temperature 40 degC
Angle of 0 degrees
Operating time h
Speed ​​2490 1/min
consumpt.Power 0.17 kW
Weight 9.5 kg
Sound power 83 dB (A)
Sound pressure at 4m 63 dB (A)

Voltage 400 Volt
Current consumption 0.34 Amp
AC / AC D
Frequency 50 Hz
B insulation
Degree of protection IP 55
Explosion protection N
Temperature class

Make: Helios
Item No.: 221
Type: HRFD 250/2 TK
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