The casing is made of galvanized sheet steel with a hinged service cover casing the outboard motor and rotor module. A distribution box is attached to the casing.
The dynamically balanced impeller is an integral part of the motor (called a rotating casing motor).
The backward-inclined blades are made of galvanized sheet steel.
ENGINE:
Single-phase or three-phase asynchronous electric motor (230 V or 400 V, 50 Hz) with a rotating housing;
The motors have a built-in winding temperature sensor (for models with external thermal contact terminals, a SET or STDT 16 thermal protection relay should be used) and are suitable only for speed control in the range of 80 to 230 V (single-phase models) and 100 to 400 V (three-phase models);
Protection rating IP X4, insulation class F;
Maximum operating temperature 40 ÷ 80 °C - depending on the selected model.
For detailed fan selection, please visit the manufacturer's website at www.ruck.eu or contact our specialists.