Suvik electronics manufactures a range of voltage regulators and ups systems. Line interactive ups system is based on eco-friendly technology. Specifications: input - mains: 230 v ac â±15%, 50hz â±3.0% and battery - 12/24 v dc [built-in smf type]; output - mains mode: 230 v â±5.0% and back-up mode - 230 v â±2.0%; change-over time - 5 msec [typical]; back up time: 20 minutes; and ratings: 500 kva, 750 kva, 1 kva, 1.5 kva and 2 kva. Areas of application: personal computers, lan system, process instruments, telecom equipment, office automation, etc.