Rosenberg- Centrifugal fans
with forward curved impellers, Types ERA.../ DRA...
400 volt 3 phase 50 Hz , 0.87kW 1210RPM
Single and double inlet casings, made from galvanized steel, with
spiral scroll. Im-pellers with forward curved blades made from
galvanized steel, mounted onto the rotor of a speed controllable
external rotor motor. The fan is balanced on two levels according to
quality Glass G 2.5, DIN/ISO 1940.
Closed motor, protection Glass IP 44/54 with protection against
humidity and thermal contacts 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.
