The TM Series Roto-Phase converter is engineered to operate 3-phase radio and television equipment from a single-phase power supply. If the availability of three-phase power does not exist or it is not economically feasible, then the TM Series Roto-Phase could be the solution to your problem. Models are available in 208 Volt or 230 Volt and also 460 Volt. TM Series Roto-Phase converters are manufactured to handle transmitter equipment from 1 KW to 5OKW. *Roto-Phase converters are available for larger transmitter systems. Please consult factory.