Murrelektronik's Evolution three-phase power supply unit comes in models from 5 to 40 A, with adjustable output voltages from 22 to 24 V dc. The power supply is suited for continuous two-phase operation, allowing continued operation in the event that a phase should fail. The unit is also equipped with an extra-power function that can supply up to 50% additional power for a period of up to four seconds to power motors or supply capacitive loads. Integrated cooling fins provide optimum heat dissipation, making the system suitable for installation in small control cabinets. The power supply is designed for worldwide use and features a nominal input voltage range from 3 x 360 to 520 V ac or 480 to 745 V dc.