HRFW 250/4
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 molded flange hole pattern
according to DIN 24155th With 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.
Single phase capacitor motor
closed design, maintenance-free, with
in the coil built-in thermal
overclock speed controllable by tension-
tion reduction, sealed, low-
poor ball bearing with long-term lubrication,
reversible.
Fan-data (default)

Vol.str. 0 Pa at 960 m3 / h
Vol.str. Betr.pkt. m3 / h
Max pressure 60 Pa increase
Druckerh. Betriebspkt Pa
Funding density 1.2 kg/m3
Medium temperature 40 degC
Angle of 0 degrees
Operating time h
Speed ​​1380 1/min
consumpt.Power 0,044 kW
Weight 7.5 kg
64 Sound Power dB (A)
sound pressure at 4 m 44 dB (A)

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

Make: Helios
Item No.: 200
Type: HRFW 250/4
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