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BESF250 Box Ventilator

BESF250-4-1EC

Technical Data

MODEL BESF250-4-1EC
Fan data
Max. overall efficiency 53,5 %
ECO measurement set-up (A-D)  D
Efficiency requirements 49, N(2015)
ECO efficiency at optimal operating point 66,9
Motor
Motor EC motor with integral VSD
Optimal operating point:
Absorbed power
Airflow
Total pressure
Rpm
357 W
1390 m3/h
495 Pa
1433 rpm
Nominal rpm (N) 1420 rpm
Electric supply (U)   1 x 230 V ~ 50 Hz
Overload protection Integrated in motor control
Max absorbed current* (I) 8.5 A
Max. absorbed power (P1)**  1.32 kW
Motor output (P2)**  1.10 kW
Other data
Weight 32 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

BESF250-4-3

Technical Data

MODEL BESF250-4-3 OGSR
Fan data
Max. overall efficiency 42,9 %
ECO measurement set-up (A-D) D
Efficiency requirements  49 N2015)
ECO efficiency at optimal operating point 50,7
Motor
Motor Three-phase motor designed for 1400 rpm or for an external frequency converter
Optimal operating point:
Absorbed power
Airflow
Total pressure
Rpm
585 W
1600 m3/h
564 Pa
1476 rpm
 Nominal rpm 1400
Electric supply (U) 3x230D/400Y
Overload protection Must be overload-protected in accordance with applicable regulations
Max absorbed current* (I) 5.0/2.9A
Max. absorbed power (P1)** 1.47 kW
Motor output (P2)** 1.10 kW

Supply
Supply (power cable) No supply
Supply (control cable)
Length

Other data
Weight 48 kg
Category:
Chimney
Sub-Category:
Exhaust Fans
Tags:
Exhausto

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BESF250 Box Ventilator

BESF250-4-1EC

Technical Data

MODEL BESF250-4-1EC
Fan data
Max. overall efficiency 53,5 %
ECO measurement set-up (A-D)  D
Efficiency requirements 49, N(2015)
ECO efficiency at optimal operating point 66,9
Motor
Motor EC motor with integral VSD
Optimal operating point:
Absorbed power
Airflow
Total pressure
Rpm
357 W
1390 m3/h
495 Pa
1433 rpm
Nominal rpm (N) 1420 rpm
Electric supply (U)   1 x 230 V ~ 50 Hz
Overload protection Integrated in motor control
Max absorbed current* (I) 8.5 A
Max. absorbed power (P1)**  1.32 kW
Motor output (P2)**  1.10 kW
Other data
Weight 32 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

BESF250-4-3

Technical Data

MODEL BESF250-4-3 OGSR
Fan data
Max. overall efficiency 42,9 %
ECO measurement set-up (A-D) D
Efficiency requirements  49 N2015)
ECO efficiency at optimal operating point 50,7
Motor
Motor Three-phase motor designed for 1400 rpm or for an external frequency converter
Optimal operating point:
Absorbed power
Airflow
Total pressure
Rpm
585 W
1600 m3/h
564 Pa
1476 rpm
 Nominal rpm 1400
Electric supply (U) 3x230D/400Y
Overload protection Must be overload-protected in accordance with applicable regulations
Max absorbed current* (I) 5.0/2.9A
Max. absorbed power (P1)** 1.47 kW
Motor output (P2)** 1.10 kW

Supply
Supply (power cable) No supply
Supply (control cable)
Length

Other data
Weight 48 kg
Category:
Chimney
Sub-Category:
Exhaust Fans
Tags:
Exhausto

Product Inquiry Form

Your Name (required)

Your Email (required)

Inquiry Product Name

Your Message