Installation category A
Efficiency category Static
Closed-loop speed control integrated
Specific ratio* 1
*Specific ratio = 1 + psf / 100 000


  Actual Request 2013 Request 2015
Overall efficiency ηe 44,2 29 33
Efficiency grade N 51,2 36 40
Power input Pe kW 0,78
Air flow qV m3/h 12095
Pressure increase total Pa 95
Speed n min-1 740
Data established at point of optimum efficiency