Remote control system for motor groups for extractor fans, in particular for kitchen extractor fans

A remote control system for motor groups ( 22 ) for extractor fans ( 21 ), in particular for industrial and kitchen extractor fans, according to which the motor group itself ( 22 ), provided dismounted from the extractor fan ( 21 ), can also be installed inside a protective casing ( 10 ), to be mounted at the outside of the building, separate and distant from the structure of the extractor fan ( 21 ); the electrical connection between extractor fan ( 21 ) and motorisation takes place through suitable multi-way connectors ( 17, 30 ), whereas the electrical connection of the extractor fan ( 21 ) to the mains is carried out inside a suitable connection block ( 27 ). In such a way, it is possible to connect different interchangeable motor groups ( 22 ) to a kitchen extractor fan ( 21 ), so as to offer the user the possibility of choosing the desired performance, without each time having to buy a new complete extractor fan ( 21 ).