... , no brush, no wear, no maintenance once installed; 3, a wide input voltage range can be customized non-standard ± 60 ... unmanned operation of equipment in telecommunication centers:6, the regulator is fast, able to adjust the voltage within 40ms of work; 7, three-phase ... zeroA change and permanently damaged, thus reduces its reliability. To be on the safe side, we suggest using at room temperature 25 ° ...