The above product is a 1 KW 300 RPM 24 volt AC Permanent Magnet Alternator used in windmills, hydro and bio gas applications.
The outer body is made of Aluminium so as to dissipate the heat generated during operation and thereby improve the efficiency of the PMA.
These alternators have a long life if properly maintained.
Imported Steel ball bearings are used to give a smooth run.