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Duct calculator

VCR/VCR-T • Rectangular duct fans

Duct fans
Rectangular
Galvanized steel
IP55

Datasheet

The VCR / VCR-T range of centrifugal low pressure fans are specifically designed to be installed within rectangular ducted ventilation systems or where the space for installation is limited

Application

They are suitable for application in:

Commercial offices
Car park supply air
Restaurants
Installations with limited or confined mounting space

Composition

Fan

The fan casings are manufactured from heavy gauge galvanised sheet steel. All models incorporate an inspection cover that can be removed to access the motor / impeller assembly without having to remove the complete fan casing from the ducting

Impeller

All models incorporate direct-drive low pressure forward curved centrifugal impellers. The impeller is factory matched to the motor and the complete assembly is dynamically balanced to ISO 1940 standards

Motor

Manufactured in accordance with IEC 34-1 standard
Single Phase 230V 50Hz
Three Phase 230/400V 50Hz
IP55 protection
Class F insulation
Thermal Overload Protection

Technical data

		RPM	P	I [A]		Q	Pw	Kg
		[min^-1]	[W]	230 V	400 V	[m³/h]	[dB(A)]	Kg
		4p 1Ph
VCR/4-200	400x200	1240	240	1.15	-	1090	57	15
VCR/4-225	500x250	1130	520	2.45	-	1670	65	20
VCR/4-250	500x300	1130	950	4.40	-	2350	66	25
		6p 1Ph
VCR/6-225	500x250	800	200	1	-	1080	56	20
VCR/6-250	500x300	800	310	1.50	-	1500	57	25
VCR/6-285	600x300	825	660	3.20	-	2650	62	32
VCR/6-315	600x350	810	710	3.40	-	2780	62	40
VCR/6-355	700x400	800	1300	6.30	-	4070	64	60
		4p 3Ph
VCR-T/4-200	400x200	1270	260	0.90	0.52	1150	57	15
VCR-T/4-225	500x250	1160	500	1.70	0.98	1700	65	20
VCR-T/4-250	500x300	1170	930	3	1.77	2650	66	25
VCR-T/4-285	600x300	1070	1260	4.15	2.40	3100	68	32
VCR-T/4-315	600x350	1390	2440	8	4.60	4160	70	42
		6p 3Ph
VCR-T/6-225	500x250	840	220	1	0.57	1185	56	20
VCR-T/6-250	500x300	800	280	1	0.57	1630	57	25
VCR-T/6-285	600x300	840	670	2.30	1.33	2700	62	32
VCR-T/6-315	600x350	900	710	2.50	1.44	2820	62	40
VCR-T/6-355	700x400	875	1380	5.20	3	4200	64	65
VCR-T/6-400	800x500	950	3000	11	6.37	7400	69	80
VCR-T/6-450	1000x500	900	4000	17.30	10	10850	71	100
		8p 3Ph
VCR-T/8-355	700x400	660	614	2.31	1.33	3030	56	65
VCR-T/8-400	800x500	710	1340	4.93	2.84	5350	63	80
VCR-T/8-450	1000x500	675	2380	7.71	4.45	8000	65	100

Notes:

P = Maximum absorbed power
I = Maximum absorbed current
Q = Maximum air volume
L_PA = Sound pressure level

Dimensions

	A	B	C	D	E	F	G	H
	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]
200	505	400	198	440	220	440	240	9
225	535	500	248	520	270	540	290	9
250	565	500	298	520	320	540	340	9
285	645	600	298	620	320	640	340	9
315	725	600	348	620	370	640	390	9
355	785	700	398	720	420	740	440	9
400	885	800	498	820	520	840	540	9
450	985	1000	498	1020	520	1040	540	9

Pressure loss diagram

Pressure loss diagram

Pressure loss diagram

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