Units are available for 60 Hz and for 50 Hz. All sizes can be ordered for for single phase or 3 phase connections. Kohler's is the only manufaturer offering their sets below 350KW with std vacuum impregnated stator and rotor windings to protect against aggressive tropical and marine environments, giving longer and better service under severe conditions. They run at 1800 RPM, for high efficiency and long life between overhauls. These sets are used for emergency use during power outages and as prime power sets for factories or other industrial applications .
Smaller sizes are available in gasoline and diesel versions.
American Power Systems offers a line of uncomplicated and rugged generator sets in the range from 6 kW to 90 kW. The sets are complete with radiator cooling, filters, silencers and steel base. The simplicity of the design make it a good machine in places where electronics are not welcome and maintenance is still difficult to obtain. Larger units coming soon. The first time a Gas Turbine Generator is available for an affordable price. Ideal set for heavy usage where reliabitily is important as for aviation, airport traffic control, emergency services, hospitals, remote unattended stations or in environmetally delicate sites.