BESB250 box fan

BESB250 åbent og lukket
Technical data, BESB250-4-1/4-1EC

BESB250-4-1 and BESB250-4-1EC

MODEL     BESB250-4-1 BESB250-4-1EC
Fan data
Max. overall efficiency  51,6  68,4%
ECO measurement set-up (A-D)  D  D
Efficiency requirements  64, N(2015)   64, N(2015)
ECO efficiency at optimal operating point 69,5  92,7 

Motor

Motor 

Single-phase motor  EC motor with integral VSD
Optimal operating point:
Absorbed power
Airflow
Total pressure
Rpm
 
198 W
1355 m3/h
272 Pa
1379 rpm

 
164 W
1354 m3/h
298 Pa
1443 rpm

Nominal rpm (N)  1400 rpm
Electric supply (U)   1x230 V ~ 50 Hz
Overload protection     Integral thermal cutout (TP211) in motor power circuit  Integrated in motor control

Max absorbed current* (I)

0.98 A   1.2 A.
Max. absorbed power (P1)**  0.22 kW  0.17 kW
Motor output (P2)**  0.10 kW 0.18 kW

Other data
Weight 50 kg  52 kg 

 

Conditions:

  • * I is the maximum absorbed current throughout the control range - or the full load current if this is larger
  • ** P1 is the maximum absorbed power from the mains supply, where P2 is the motor's nominal output.
  • Stated data are for t = 20°C
  • Density = 1.2 kg/m3
  • Gas temperature: min. -12°C, max. +80° C
  • Ambient temperature: Max. +40° C
  • Pressure ratio: < 1,11
  • other points in acc. with EC327/2011 - see product instructions
Technical data, BESB250-4-3

BESB250-4-3 with three phase motor

MODEL    BESB250-4-1EC
Fan data
Max. overall efficiency 53,4 %
ECO measurement set-up (A-D)  D
Efficiency requirements   64, N(2015)
ECO efficiency at optimal operating point 78,8 

Motor

Motor 

Three phase motor, frequency converter required in accordance with Ecodesign
Optimal operating point:
Absorbed power
Airflow
Total pressure
Rpm

 
189 W
1,222 m3/h
297 Pa
1,438 rpm

Nominal rpm (N)  1,400 rpm
Electric supply (U) 3x400 / 3 x 230 V
Overload protection     No, must be overload-protected in accordance with applicable regulations

Max absorbed current* (I)

0.8 / 1.4 A.
Max. absorbed power (P1)**  0.20 kW
Motor output (P2)** 0.18 kW

Other data
Weight 50 kg 
Supply (power cable / control cable) No supply

 

Conditions:

  • * I is the maximum absorbed current throughout the control range - or the full load current if this is larger
  • ** P1 is the maximum absorbed power from the mains supply, where P2 is the motor's nominal output.
  • Stated data are for t = 20°C
  • Density = 1.2 kg/m3
  • Gas temperature: min. -12°C, max. +80° C
  • Ambient temperature: Max. +40° C
  • Pressure ratio: < 1,11
  • other points in acc. with EC327/2011 - see product instructions
Capacity curves

BESB250-4-1 and BESB250-4-1EC

BESB250-4-1:

BESB25041 kapacitetskurve

BESB250-4-1-EC:

BESB25041EC kapacitetskurve


Sound data

BESB250, sound data applicable to all models

 

BESB250 lydkurve

 

  KdB(A)   Kw(dB)
 Hz KwA KpA 125 250 500 1K 2K 4K 8K
       I II I II
Lw1     8 11 6 3 -3 -11 -14 -22 -32
Lw2 2 5 10 8 5 -1 -5 -11 -19 -32
Lw3 -12 -10 -4 -12 -16 -13 -19 -20 -26 -33
LpA3   -20                  

Dimensional drawing

BESB250

 

BESB25041EC målskitse

 

BESB250 Split dimensions

 

BESB250 split målskitse

Flue gas resistance

BESB250

BESB tolerates temperatures up to 80 °C in normal operation.


Flue gas resistance

 

Add all about the product series BESB250 box fan

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