Spannung / VOLTAGE: 230/400 V, 3 PHASE, 50 Hz Strom/CURRENT; 3,46/2,00 A Leistungsaufnahme / POWER INPUT: 570 W Drehzahl/SPEED: 1447 1/min Luftmenge / AIR QUANTITY; 2,50 m3/sec. Schalldruck (Im)/ SOUND PRESSURE LEVEL: 71,5 dB(A) +-2dB(A)Tol. Fans according to DIN 42565 and 24166 Dimensions according to DIN 45635 and DIN 24163