Utl electronics manufactures online ups for providing an accurate control of sine wave ac output without any line disturbances. These ups systems can supply an independent, no break source of clean, stable, transient free uninterrupted power. The output is neutral bonded to ground. The online ups systems come with the combination of rectifier; auto float cum boost charger; battery backed inverter with under volt, over volt short-circuit protection and high degree input to output isolation. The company supplies these ups systems in 500 va to 20-kva rating. These online ups systems are available with salient features like small size; low audible noise; dynamic characteristics; low distortion; high efficiency; electric surge suppression; easy installation and operation; constant current and voltage; battery charger and isolation from input to output. The online ups are useful in data processing; process control; tele communications systems; medical equipments; instrumentation and other sensitive equipments, etc.