This California Instruments 6000LS-3 with ADV, GPIB, HF, Mode, & 704 was just repaired and factory calibrated by Ametek Programmable Power Inc., the manufacturer of the unit. 2 in stock with these options.
It is capable of producing 6000VA of power in 3 phase or single phase at your selection. it also has MODE option which allows switching between 3 and single pase output. in the standard configuration the output voltage ranges would be 0-135Vac (Low range) or 0-270Vac (High Range). Associated current output would be 44.4 amps or 22.2 amps in single phase output, respectively or 14.8 and 7.4 amps per phase in 3 phase mode.