KVD 355/6/70/40
Rectangular duct fan, 3-PH
Channel centrifugal fan with forward ge-
curved impeller blades for direct
Mounting in rectangular duct system.
Motor impeller unit.
Housing made of galvanized sheet steel with
both sides standardized channel flange
profiles, space-saving design,
service due to swing
Motor and impeller unit.
Forward curved centrifugal impeller from
galvanized steel, highly efficient,
low noise, aerodynamic
optimized volute; inflow
using nozzle. Wheel-motor unit
dynamically balanced.
Drive: AC external rotor motor,
built-in clipboard herausge-
led Thermo contacts closed
Design, speed through 5-stage
transformer or electronic (stepless)
variable, and control means
Helios drives with pole
Sine filter is possible with winding
Moisture impregnation, maintenance-free,
sealed, low noise ball bearing
long-term lubrication. Power supply
of pre-assembled terminal box (IP44).
Fan-data (default)

Vol.str. 0 Pa at 5000 m3 / h
Vol.str. Betr.pkt. m3 / h
Maximum pressure increase Pa
Druckerh. Betriebspkt Pa
Funding density 1.2 kg/m3
Medium Temperature 60 degree C
Angle of 0 degrees
Operating time h
Speed ​​830 1/min
consumpt. Power 1.53 kW
Weight 60 kg
Sound power level 73 dB (A)
Sound pressure in 4m dB (A)

230/400 volts
Current consumption 5,5 / 3,2 Amp
AC / AC D
Frequency 50 Hz
B insulation
Degree of protection IP 44
Explosion protection N
Temperature class

Make: Helios
Item No.: 5688
Type: KVD 355/6/70/40
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