EXHAUSTOProductsFansBESB box fanBESB500 BESB500 box fan Merge to pdf Technical data, BESB500-4-1EC/-4-3EC BESB500-4-1EC and BESB500-4-3EC MODEL BESB500-4-1EC BESB500-4-3EC Fan data Max. overall efficiency 71,5 % 74,6 % ECO measurement set-up (A-D) D D Efficiency requirements 64, N(2015) 64, N(2015) ECO efficiency at optimal operating point 87,4 87,2 Motor Motor EC motor with integral VSD EC motor with integral VSD Optimal operating point:Absorbed power Airflow Total pressure Rpm 824 W 4252 m3/h 499 Pa 1261 rpm 1472 W 5199 m3/h 760 Pa 1551 rpm Nominal rpm (N) 1420 1757 Electric supply (U) 1x230 V ~ 50 Hz 3 x 400 V Overload protection Integrated in motor control Integrated in motor control Max absorbed current* (I) 8.5 A 3.8 A Max. absorbed power (P1)** 1.23 kW 2.19 kW Motor output (P2)** 1.1 kW 2.2 kW Other data Weight 88 kg 91 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 Technical data, BESB500-4-3 BESB500-4-3 MODEL BESB500-4-3 Fan data Max. overall efficiency 66,9 % ECO measurement set-up (A-D) D Efficiency requirements 64 N(2015) ECO efficiency at optimal operating point 76,1 Motor Motor Three-phase motor designed for 1400 rpm or for an external frequency converter (max. 50 Hz). Optimal operating point: Absorbed power Airflow Total pressure Rpm 1331 W 4822 m3/h 664 Pa 1459 rpm Nominal rpm 1400 rpm Electric supply (U) 3 x 400 V ~ 50 Hz Overload protection Must be overload-protected in accordance with applicable regulations Max absorbed current* (I) 6.8 A Max. absorbed power (P1)** 1.47 kW Motor output (P2)** 1.1 kW Supply Supply (power cable) None Supply (control cable) - Length - Other data Weight 95 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 curves BESB500 BESB500-4-1EC BESB500-4-3EC BESB500-4-3 Merge to pdf Sound data BESB500 K[dB(A)] Kw[dB] KwA KpA 125 250 500 1 k 2 k 4 k 8 k I II I II Hz Hz Hz Hz Hz Lw1 1 7 4 0 -3 -4 -12 -15 -24 Lw2 6 1 7 8 4 -1 4 -11 -16 -28 Lw3 -15 -13 -7 -11 -15 -18 -21 -25 -27 -33 LpA3 -25 Merge to pdf Dimensional drawing BESB500 BESB500 Split version Merge to pdf Flue gas resistance BESB500 BESB tolerates temperatures up to 80 °C in normal operation. Add all about the product series BESB500 box fan Add all about the product
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