Type of voltage 
Nominal voltagein V
Nominal voltage rangein V
Type of data definition 
Speedin min-1
Power inputin W
Current drawin A
Max. back pressurein Pa
Min. ambient temperaturein °C
Max. ambient temperaturein °C
 DC
 24
 22 .. 26
 running at free air
 1550
 11
 0,5
 30
 -30
 50