OSTBERG RF - RFT 355 B and RFT 355 D Specifications; RFT 355 B; RFT 355 D

20
RFT 355 B
Single inlet radial fan with forward curved impeller. 3-phase
RFT 355 D
Single inlet radial fan with forward curved impeller. 3-phase
PRESSURE/FLOW
TECHNICAL DATA
SOUND DATA
278
283
520
220
245
270
220
549
235
398
668
Ø13,1
INPUT/FLOW
RFT 355 B
RFT 355 B, 565 l/s 360 Pa L
pA
L
wA
tot dB (A) 63 125 250 500 1K 2K 4K 8K
Environment 66 73 49 57 63 67 69 66 66 57
Inlet 76 60 65 62 67 70 70 70 62
Outlet 79 58 64 65 69 73 73 73 64
DIMENSIONS (mm)
ACCESSORIES
Duct clamp, mounting bracket, safety grille, thermostat,
louvre & back draught shutter, transformer controllers
General fan facts, page 30-31.
PRESSURE/FLOW
TECHNICAL DATA
SOUND DATA
INPUT/FLOW
RFT 355 D
RFT 355 D, 780 l/s 735 Pa L
pA
L
wA
tot dB (A) 63 125 250 500 1K 2K 4K 8K
Environment 77 84 56 66 70 75 80 79 76 72
Inlet 86 67 76 73 75 81 82 79 75
Outlet 90 63 74 75 79 86 85 84 78
DIMENSIONS (mm)
ACCESSORIES
Duct clamp, mounting bracket, safety grille, thermostat,
louvre & back draught shutter, transformer controllers
General fan facts, page 30-31.
235
549
398
668
50
22050
400
400
278
283
520
220
245
270
220
549
235
398
668
Ø13,1
235
549
398
668
50
22050
400
400
Voltage, V/Hz 3x400Y/3x230/50
Current, A 2,80/4,85
Input, kW 1,5
Speed, rpm 765
Wiring diagram 4040004/4040003
Capacitor, µF -
Max.temp.
o
C45
Rotation direction Right
Pole number, motor 6
Voltage, V/Hz 3x400Y/3x230/50
Current, A 6,75/11,69
Input, kW 4,1
Speed, rpm 1370
Wiring diagram 4040004/4040003
Capacitor, µF -
Max.temp.
o
C55
Rotation direction Right
Pole number, motor 4