Vents KSF 250 K2 EC

Centrifugal inline fans with forward curved blades in casings with improved sound insulation properties with EC-motors

	Unit of measurement	KSF 250 K2 EC
Connected air duct size	mm	250
Phases	-	1
Minimum supply voltage	V	230
Maximum supply voltage	V	230
Power supply frequency	Hz	50/60
Rated power	W	374
Unit current	A	1.77
Maximum airflow	m³/h	1682
Rotation speed at 50hz	-	1400
Sound pressure level LpA at 3 m	dB(A)	41
Weight	kg	33
Transported air temperature (max)	°С	50
Transported air temperature (min)	°С	-25
Ingress protection rating	-	IP44
Ingress protection rating of the drive	-	IP54
Impeller material	-	Galvanized steel

Trademark	Vents
Model	KSF 250 K2 EC
Type of drive installed	Integrated VSD
Type of heat recovery system	None
Nominal external pressure (Pa)	274
Maximum external leakage rates (%)	2.7
Static efficiency (%)	39.8
Declared typology	NRVU UVU
Effective electric power input (kW)	0.168
Sound power level (dB(A))	61