Blauberg ISO-RF EC 250

Sound-insulated inline centrifugal fans

	Unit of measurement	ISO-RF EC 250
Connected air duct size	mm	250
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
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

Trademark	Blauberg
Model	ISO-RF EC 250
Specific energy consumption (SEC) (kWh/(m²/a))	Cold		Average		Warm
	-32	B	-15	E	-6	F
Type of ventilation unit	Unidirectional
Type of drive installed	Integrated VSD
Type of heat recovery system	None
Maximum flow rate (m³/h)	185
Electric power input (W)	17
Reference flow rate (m³/s)	0.036
Nominal flow rate (m³/s)	0.209
Nominal external pressure (Pa)	274
Specific power input (SPI) (W/(m³/h))	0.059
Control typology	Manual control
Maximum external leakage rates (%)	2.7
Static efficiency (%)	39.8
Declared typology	NRVU UVU
Sound power level (dB(A))	61
Effective electric power input (kW)	0.168
The annual electricity consumption (AEC) (kWh/a)	Cold		Average		Warm
	100		100		100
The annual heating saved (AHS) (kWh/a)	Cold		Average		Warm
	3400		1700		800