PAPST-MOTOREN GmbH & Co KG, Postfach 1435, D-78106 St. Georgen 8550VW.DOC
26.06.03
8550 VW AC Axial Fan
Especially quiet and compact axial fan.
Aerodynamically shaped, all metal con-
struction. Driven by a shaded pole mo-
tor. External rotor dynamically balanced
in two planes. Five fan blades made of
sheet steel directly welded to the rotor.
Air exhaust over struts. Rotational di-
rection CW looking at rotor.
Features
• Impedance protected against over-
loading.
• For maintenance-free continuous op-
eration.
• Any mounting position.
• Protection class IP 20 according to DIN
40 050.
• Electrical connection via 2 lead wires
310mm long.
• Fan housing with mounting bosses:
General Data
Nominal voltage VAC 230
Frequency Hz 50 60
Nominal speed rpm 2700 3200
Max. flow rate m3/h 50 61
Max. flow rate CFM 29,4 35,9
Noise free air dB(A) 30 34
Noise in optimum operating range bels 4,4 4,8
Power consumption W12 11
Permanent ambient temperature °C -10...+70 -10 +75
Service life (Tmax)h20.000 20.000
Service life (40 °C) h35.000 37.500
Approvals CSA, UL, VDE
Fan housing / impeller Metal / Metal
Bearing system Sleeve bearing
Mass kg 0,48
All data are mean values at nominal voltage. Subject to technical change.
Flow rate V
0
20
30
40
50
Pa
70
10
0
5
10
12,5
2,5
7,5
010 20 30 40 50 60
S
t
a
t
i
c
p
r
e
s
s
u
r
e
p
f
x10m/s
-33
3
For dimensions and electrical connection
please see drawing # 924 4014 607 on
second page.