Blauberg Iso-RB 400

Centrifugal inline fans with backward curved blades in cases with improved sound insulation properties

	Unit of measurement	Iso-RB 400
Connected air duct size	mm	400
Phases	-	1
Minimum supply voltage	V	230
Maximum supply voltage	V	230
Power supply frequency	Hz	50	60
Rated power	W	427
Unit current	A	1.87
Maximum airflow	m³/h	3800
Rotation speed at 50hz	-	1451
Sound pressure level LpA at 3 m	dB(A)	49
Weight	kg	78.5
Transported air temperature (max)	°С	55
Transported air temperature (min)	°С	-25
Ingress protection rating	-	IPX4
Ingress protection rating of the drive	-	IP54
Impeller material	-	Aluminium

Trademark	Blauberg
Model	Iso-RB 400
Type of ventilation unit	Unidirectional
Type of drive installed	External MSD or VSD
Type of heat recovery system	None
Nominal external pressure (Pa)	436
Maximum external leakage rates (%)	2.7
Static efficiency (%)	56.3
Declared typology	NRVU UVU
Effective electric power input (kW)	0.398
Sound power level (dB(A))	68