3phase air cool servo stabilizer shreetch (stabvolt 300sa) series air cool servo controlled stabilizers is known & its highest demand in local market, for its trouble free performance & easy operating system. our (stabvolt 300sa) servo stabilizer is standard type, which has the function of connecting via the electricity power. Compared with other voltage stabilizers, it has the advantage of great variety, complete specification, nice appearance and obvious features of high efficiency, no wave distortion, reliable performance, working continually for long time. this product is an ideal stabilized voltage supply, widely used in any locations requiring electricity and ensures your power device can run normally. features: � designed for 100% continuous duty cycle � compact design for space saving � lesser power consumption � negligible maintenance � tested at each & every stage of manufacturing � rugged and stable electronics control solid earthling provides the safety to operator specification input 300 v to 480v340v to 460v ac 3ph. 50hz. output 415 volt ±1 %3 ph. (adjustable by 5%) capacity 3kva to 200kva protection output high low trip control auto manual