Vents KSB 125 K2 S

Inline centrifugal fans in heat- and sound-insulated casing

	Unit of measurement	KSB 125 K2 S
Connected air duct size	mm	125
Phases	-	1
Minimum supply voltage	V	230
Maximum supply voltage	V	230
Power supply frequency	Hz	50
Rated power	W	88
Unit current	A	0.37
Maximum airflow	m³/h	484
rotation speed at 50hz	-	2670
Sound pressure level LpA at 3 m	dB(A)	40
Weight	kg	19
Transported air temperature (max)	°С	55
Transported air temperature (min)	°С	-25
Ingress protection rating	-	IPX4
Ingress protection rating of the drive	-	IP44

Trademark	Vents
Model	KSB 125 K2 S
Specific energy consumption (SEC) (kWh/(m²/a))	Cold		Average		Warm
	-51.4	A+	-24.4	C	-8.9	F
Type of ventilation unit	Unidirectional
Type of drive installed	Variable speed
Type of heat recovery system	None
Maximum flow rate (m³/h)	420
Electric power input (W)	88
Reference flow rate (m³/s)	0.082
Reference pressure difference (Pa)	50
Specific power input (SPI) (W/(m³/h))	0.296
Control typology	Local demand control
Maximum external leakage rates (%)	2.7
Sound power level (dB(A))	60
Declared typology	RVU UVU
The annual electricity consumption (AEC) (kWh/a)	Cold		Average		Warm
	157		157		157
The annual heating saved (AHS) (kWh/a)	Cold		Average		Warm
	5536		2830		1280