OSTBERG RF - RFE 250 B and RFT 250 B Specifications; RFE 250 B; RFT 250 B

PRESSURE/FLOW
TECHNICAL DATA
SOUND DATA
INPUT/FLOW
RFE 250 B
RFE 250 B, 360 l/s 380 Pa L
pA
L
wA
tot dB (A) 63 125 250 500 1K 2K 4K 8K
Environment 67 74 45 52 65 65 70 69 67 59
Inlet 78 61 65 73 67 73 71 70 64
Outlet 80 63 68 71 73 74 74 74 67
DIMENSIONS (mm)
ACCESSORIES
Duct clamp, mounting bracket, safety grille, thermostat,
louvre & back draught shutter, transformer controllers
General fan facts, page 30-31.
192
206
370
157
177
197
157
395
167
284
475
Ø9,1
167
395
284
475
40
15740
250
250
14
Voltage, V/Hz 230/50
Current, A 2,90
Input, kW 0,64
Speed, rpm 1315
Wiring diagram 4040001
Capacitor, µF 12
Max.temp.
o
C50
Rotation direction Right
Pole number, motor 6
RFE 250 B
Single inlet radial fan with forward curved impeller. Single phase
RFT 250 B
Single inlet radial fan with forward curved impeller. 3-phase
PRESSURE/FLOW
TECHNICAL DATA
SOUND DATA
192
206
370
157
177
197
157
395
167
284
475
Ø9,1
INPUT/FLOW
RFT 250 B
RFT 250 B, 380 l/s 375 Pa L
pA
L
wA
tot dB (A) 63 125 250 500 1K 2K 4K 8K
Environment 66 73 44 50 62 65 69 68 66 59
Inlet 77 61 66 68 67 73 70 69 64
Outlet 80 63 64 70 72 74 74 74 67
DIMENSIONS (mm)
ACCESSORIES
Duct clamp, mounting bracket, safety grille, thermostat,
louvre & back draught shutter, transformer controllers
General fan facts, page 30-31.
167
395
284
475
40
15740
250
250
Voltage, V/Hz 3x400Y/3x230/50
Current, A 1,40/2,42
Input, kW 0,69
Speed, rpm 1285
Wiring diagram 4040004/4040003
Capacitor, µF -
Max.temp.
o
C60
Rotation direction Right
Pole number, motor 4
Connected = Connected on outlet.
Not connected = Not connected on outlet.
Connected = Connected on outlet.
Not connected = Not connected on outlet.