3-phase 20 kva servo control voltage stabiliseri/p range 340v to 470vo/p voltage range 410v for phase-phase & 240v for phase-neutral with +/_1% vRs.72000/- + 18%gst + 5%transport & packiging .100% advance with confirm orderthanks with best regardsMr. Prashant Balasaheeb Chivate