Freilaufende Räder - Rosenberg

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Pos. Quan. Description
Single price
GKH_ ... Free- running impeller with ec- motor drive
Single inlet, backward curved high efficiency impeller made of sea- waterproof
aluminium, mounted onto the electronic commutated external rotor motor,
equipped with an air flow optimized inlet cone made of galvanized sheet steel. The
impeller can be supplied as a single unit or as a complete module made of galvanized
sheet steel.
The fan is balanced on two levels according quality class G 2,5, DIN/ISO 1940.
Closed motor, protection class IP 44 . Maintenance free ball bearings, closed on
both sides, sealed for life. Electrical connection through terminal box in IP 54.
The operation of an EC motor always requires the use of a matching commutating
unit (EC-controller).
Documentation: Manufacturers declaration and operating instruction are according
to machinery directive 98/37/EEC, CE identification in accordance to EMC- directive
89/336/EEC and low voltage directive 73/23/EEC.
Centrifugal fan with free- running impeller as described before:
Air volume flow V m³/h
Pressure increase pfa Pa
Sound power level LWA min -1
Temperature of ventilated med. tR °C
Flange
mm
Dimensions LxBxH mm
Weight m kg
Rosenberg product
Type
Externer EC- Controller
Voltage U V
Frequency f Hz
Current consumption I A
Power consumption P 1 kW
Rosenberg product
Type
B17