RKB 400x200 A1 | H. Östberg

RKB 400x200 A1 Updated: 2024-11-06

7470008 -

RKB 400x200 A1 man tc

7470005 -

RKB 400x200 A1 aut tc

Duct fan with rectangular connections.
Proven performance and reliability.
High capacity and very good efficiency.
Operational in both 50 and 60 Hz.
Impeller with backward curved blades.
The external rotor motor has maintenance-free sealed ball-bearings.
Integrated motor protection.
Junction box has enclosure class IP 54.
For speed control a transformer or electric speed controller can be connected.
Fan housing is manufactured from galvanized sheet steel.
Swing-out design to simplify maintenance and cleaning of the impeller.
The fan is intended to be installed in a duct system.
A duct connected fan can be installed outside or in damp environments.
Easy installation in any position.

Diagrams

Generating diagrams...

Variable control

User input

Air Flow (l/s)

External static pressure (Pa)

Data

Air Flow (l/s)

External static pressure (Pa)

Power (W)

Speed (r.p.m.)

Current (A)

Voltage (V)

230

Efficiency (%)

SFPv (kW/m3/s)

Change the "User input" by dragging the point, or by entering new values.

Sound data

Generating diagrams...

Technical Data

	RKB 400x200 A1 man tc 7470008		RKB 400x200 A1 aut tc 7470005
Parameter	Value	Unit	Value	Unit
Voltage	230	V	230	V
Phase	1	~	1	~
Frequency	50	Hz	50	Hz
Optional frequency	60	Hz	60	Hz
Power	115	W	115	W
Current	0.5	A	0.5	A
Speed	2530	r.p.m.	2530	r.p.m.
Max. temperature of transported air	70	°C	70	°C
Max. temperature of transported air when speed controlled	70	°C	70	°C
Sound pressure level at 3 m	54	dB(A)	54	dB(A)
Weight	9.8	kg	9.8	kg
Enclosure class	44	IP	44	IP
Insulation class, motor	F		F
Capacitor	3	µF	3	µF
Max. flow @ 0Pa	246	l/s	246	l/s
Max. pressure	388	Pa	388	Pa
Voltage range	220-240	V	220-240	V

Product information sheet

Parameter	Value	Unit
(a) Manufacturer	Östberg	-
(b) Model code	RKB 400x200 A1	-
(c) Declared type	NRVU / UVU	-
(d) Type of drive	Multi-speed drive	-
(e) Type of HRS	N/A	-
(f) Thermal efficiency	N/A	%
(g) Nominal flow rate	0.114	m³/s
(h) Effective power input	0.106	kW
(i) SFP int	N/A	W/(m³/s)
(j) Face velocity	2.0	m/s
(k) Nominal external pressure	266	Pa
(l) Internal pressure drop	N/A	Pa
(n) Static efficiency	25.2	%
(o) External (and internal) leakage rate	0.28	%
(p) Filter classification	N/A	-
(q) Visual filter warning	N/A	-
(r) Sound power level	60	dB LwA
(s) Disassembly instructions	www.ostberg.com	-

Wiring Diagram

Dimensions

Accessories

Mechanical accessories

Electrical accessories

Downloads

3D drawings

Diagrams

Generating diagrams...

Variable control

User input

Air Flow (l/s)

External static pressure (Pa)

Data

Air Flow (l/s)

External static pressure (Pa)

Power (W)

Speed (r.p.m.)

Current (A)

Voltage (V)

230

Efficiency (%)

SFPv (kW/m3/s)

Change the "User input" by dragging the point, or by entering new values.

Sound data

Generating diagrams...

Technical Data

	RKB 400x200 A1 aut tc 7470005 (50)/60Hz
Parameter	Value	Unit
Voltage	230	V
Phase	1	~
Frequency	60	Hz
Optional frequency	50	Hz
Power	141	W
Current	0.62	A
Speed	2750	r.p.m.
Max. temperature of transported air	70	°C
Max. temperature of transported air when speed controlled	70	°C
Sound pressure level at 3 m	53	dB(A)
Weight	9.8	kg
Enclosure class	44	IP
Insulation class, motor	F
Capacitor	3	µF
Max. flow @ 0Pa	260	l/s
Max. pressure	535	Pa
Voltage range	220-240	V

Product information sheet

Parameter	Value	Unit
(a) Manufacturer	Östberg	-
(b) Model code	RKB 400x200 A1	-
(c) Declared type	NRVU / UVU	-
(d) Type of drive	Multi-speed drive	-
(e) Type of HRS	N/A	-
(f) Thermal efficiency	N/A	%
(g) Nominal flow rate	0.114	m³/s
(h) Effective power input	0.106	kW
(i) SFP int	N/A	W/(m³/s)
(j) Face velocity	2.0	m/s
(k) Nominal external pressure	266	Pa
(l) Internal pressure drop	N/A	Pa
(n) Static efficiency	25.2	%
(o) External (and internal) leakage rate	0.28	%
(p) Filter classification	N/A	-
(q) Visual filter warning	N/A	-
(r) Sound power level	60	dB LwA
(s) Disassembly instructions	www.ostberg.com	-

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