Technical Details: Nominal pumping speed / flow 50Hz m3 / h -> 940 Differential pressure hPa (mbar) -> 12 Motor Power kW 50Hz -> 0.55 Rated motor speed 50Hz min-1 -> 2760 Sound pressure level (DIN 45635) * 50Hz dB (A) -> 74 Weight kg -> 5.16*) Sound pressure level (DIN 45635) with silencer