Rosenberg radial fans with free-running impeller -KH- series
The single inlet, backward curved high efficiency impeller from
sea-waterproof aluminium, mounted onto the speed controllable
external rotor motor, equipped with an air flow optimized inlet cone
from galvanized sheet steel. The impeller can be supplied as single
unit or as a complete module of galvanized sheet steel.
The fan is balanced on two levels according to quality class G
2.5/6.3, DIN/ISO 1940.
Closed motor, protection class IP 44/54 with protection against
humidity and thermal contacts wired in windings for motor
protection. Maintenance free ball bearings, closed on both sides,
sealed for life. Electrical connection through terminal box (not
connected) in IP 44.
Reference to Directives:
Declaration of incorporation and operating instruction are according
to Machinery Directive 2006/42/EC, CE identification in accordance
to EMC-Directive 2014/30/EU, Low Voltage Directive 2014/35/EU
and the Ecodesign-Directive 2009/125/EC.
