Specifies direct current power supply operating from input voltage of either 115/208 volt 3-phase 4-wire, 48 to 65/380 to 420 single-phase 2 wire 48 to 65/380 to 420 Hz ac giving two output voltages. 10 to 18 direct-current volts at 5 amperes and 21 to 31 Vdc at 60 A output.