BESF280 box fan

BEST280 åbent og lukket
Technical data, BESF280-4-3 and BESF280-4-3EC

BESF280-4-3 and BESF280-4-3EC

MODEL     BESF280-4-3 OGSR BESF280-4-3EC OGSR
Fan data
Max. overall efficiency 52,6 % 58,5 %
ECO measurement set-up (A-D)  D  D
Efficiency requirements  49, N(2015)  49, N(2015)
ECO efficiency at optimal operating point 59,1 68,9

Motor

Motor 

Three-phase motor designed for 1400 rpm or for an external frequency converter EC motor with integral VSD
Optimal operating point:
Absorbed power
Airflow
Total pressure
Rpm

 
955 W
2354 m3/h
769 Pa
1481 rpm

 
493 W
1870 m3/h
555 Pa
1306 rpm

Nominal rpm (N)  1400 rpm 1448 rpm 
Electric supply (U)   3 x 230D/400Y
Overload protection     Must be overload-protected in accordance with applicable regulations Integrated in motor control

Max absorbed current* (I)

7,15 A  5.3 A
Max. absorbed power (P1)**  2.9 kW 3.2 kW
Motor output (P2)** 2,2 kW 2.2 kW

Other data
Weight 57 kg  65 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 for for t = 20°C
  • Density = 1.2 /m3
  • Values are based on the use of a transition piece equivalent to OGSR
  • Gas temperature: min. -12°C, max. +60° C
  • Ambient temperature: Max. +40°C
  • Pressure ratio: < 1,11
  • other points in acc. with EC327/2011 - see product instructions
Capacity diagrams

BESF280

 

BESF280-4-3

 

BESF280-4-3 kapacitetskurve

 

BESF280-4-3EC

 

BESF280-4-3EC kapacitetskurve

Sound data

BESF280

 

 


Kw[dB]
K[dB(A)]
I-IV 63 125 250 500 1 k 2 k 4 k 8 k KWA KpA
Lw1 I 3 5 -1 -7 -6 -7 -9 -11
II 14 11 2 -8 -8 -11 -13 -16
III 6 7 0 -7 -5 -8 -11 -13
IV 16 11 2 -7 -7 -11 -14 -20
Lw2 I 5 7 3 -2 -2 -4 -9 -13 3
II 12 12 6 -3 -3 -7 -11 -16 3
III 9 8 4 -1 -1 -4 -9 -13 4
IV 17 13 7 0 -2 -6 -10 -16 5
Lw3 I -16 -19 -21 -21 -26 -32 -35 -15 -16 -30
II -12 -16 -18 -21 -21 -28 -31 -8 -10 -24
III -14 -19 -20 -17 -24 -32 -33 -7 -9 -23
IV -9 -17 -20 -8 -24 -27 -27 -2 -3 -17
Dimensional drawing

BESF280

 

BESF280

 

BESF280 målskitse

 

BESF280-EC

 

BESF280EC målskitse

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E-mail: export@exhausto.dk

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