EXHAUSTOProductsFansBESB box fanBESB250 BESB250 box fan Get autoCad drawings Get instructions Retrieve BIM models from MagiCloud Merge to pdf Technical data Technical data, BESB250-4-1EC MODEL BESB250-4-1EC Fan data Max. overall efficiency 68,4% ECO measurement set-up (A-D) D Efficiency requirements 64, N(2015) ECO efficiency at optimal operating point 92,7 Motor Motor EC motor with integral VSD Optimal operating point: Absorbed power Airflow Total pressure Rpm 164 W 1354 m3/h 298 Pa 1443 rpm Nominal rpm (N) 1400 rpm Electric supply (U) 1x230 V ~ 50 Hz Overload protection Integrated in motor control Max absorbed current* (I) 1.2 A. Max. absorbed power (P1)** 0.17 kW Motor output (P2)** 0.18 kW Other data Weight 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 Merge to pdf Capacity curve Capacity curve, BESB250-4-1EC Merge to pdf Sound data BESB250, sound data 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 Merge to pdf Dimensional drawing BESB250 BESB250 Split dimensions Merge to pdf 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 Add all about the product
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VEX Summary Get a quick overview of our entire range of compact VEX air handling units with heat recovery. View the VEX summary here