Suvik electronics manufactures a range of voltage regulators and ups systems. The true online ups system has igbt based pwm technology has been used. Specifications: input - 230 v ac â±15% or 415 v ac â±15% [3 f]; output - 230 v â±2%; output frequency: 50 hz, â±0.1%; dc operating voltage - 48/72/96/180/360 v; battery - external; back up duration - 30 min to 8 hrs; and capacity: 0.5 kva to 25.0 kva. Areas of application include: personal/mini/main-frame computers; process - control / analytical instruments; telecommunication equipment; alpm/banking systems; automatic weighing machines; and medical/diagnostic equipments.