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MN • Centrifugal fans

SERVICES

PROJECTS

DISTRIBUTION

Single inlet fans
Forward curved blades
850-1400 m³/h
Standard
IP55

Accessories

RNFLA MN • Inlet flanges TSCTK-1 • Transformer speed controllers 230V with motor protection TSCTK-4 • Transformer speed controllers 3 x 400V with thermal motor protection BTRNTK-4 • Speed controllers with motor protection FIS(-C)-11-B • Frequency converters 1x230V FIS(-C)-44-B • Frequency converters 3x400V

Datasheet Manual

Single inlet centrifugal fan

Application

MN blowers are used for extraction of slightly dusty and wet air.
The fan is suitable for handling air up to 80°C.

Composition

The casing is made of sheet steel, spot-welded and paint in grey.
Motor out of the air stream
Dynamically and statically balanced impeller with forward curves blades.
Squirrel-cage asynchronous motor
Protection IP55 – Insulation F
Supply: 230Vac 1ph 50Hz (Steinmetz type) or 230/400Vac 3ph 50Hz
Standard version suitable for continuous drive at 80°C

Accessories

Inlet flange, type RNFLA
Outlet guard, type RDP
Speed controller 230V mono, type TSCTK-1
Speed controller 3x400V, type TSCTK-4
Frequency converter 230V in / 3x230V out, type FIS-13-B
Frequency converter 3x400V in / 3x400V out, type FIS-44-B

Options

ATEX II 2G T3 version
High temperature 250°C version
2-speed motors
Stainless steel version

Order example

MN 554/230V

MN554 = fan

230V = supply 1ph

Air performance data

	Q [m³/h]
	50Pa	100Pa	150Pa	200Pa	250Pa
MN 554	850	780	690	500	-
MN 604	1400	1275	1200	800	200

Attention

The MN fan may never be used with free inlet. There should be a minimal counter-pressure as shown in the table above. Please measure the current at first startup.
The motorspeed is not adjustable by means of an electronic controller.

Selection curves

Technical data

	U [V]	P [kW]	I [A]	SC	n [rpm]	Lpa @ 1,5m [dB(A)]
MN 554	230	0.18	1.55	TSCTK-1-30 / FIS-1120E-0.37-B	1350	54
MN 604	230	0.25	2.32	TSCTK-1-30 / FIS-1120E-0.37-B	1380	58
MN 554	400	0.18	0.56	TSCTK-4-20 / FIS-4420E-0.75-B	1350	54
MN 604	400	0.25	0.77	TSCTK-4-20 / FIS-4420E-0.75-B	1380	58

SC_T = transformer speed controller
Lpa = sound pressure level
Sound pressure Lpa measured according to UNI EN10531

Attention

At the orientation drawing, the motor is directed towards you. The desired orientation has to be specified upon order.

Dimensions

	Dia As [mm]	a [mm]	b [mm]	C [mm]	D [mm]	E [mm]	F [mm]	G [mm]	H [mm]	R1 [mm]	R2 [mm]	S [mm]	Z [mm]	Kg
MN 554	158	136	136	196	100	190	140	220	273	160	185	160	295	7
MN 604	180	170	170	246	100	195	140	225	338	190	224	190	385	12

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