Shop online uninterruptible power supplies designed to provide continuous conditioned power and battery backup for critical industrial, commercial and electronic equipment. Online UPS systems continuously supply connected loads through the inverter, helping isolate equipment from many disturbances on the incoming power source.
Compare online UPS systems by input and output voltage, VA and watt capacity, battery runtime, phase, form factor, communications and external battery options. Size the UPS for the complete connected load and required backup duration.
An online UPS continuously converts incoming AC power to DC and then back to AC through an inverter before supplying the connected equipment. This double-conversion design separates the load from many variations on the incoming electrical source and provides battery-backed power when the normal source is interrupted.
Online UPS systems are commonly selected for servers, industrial controls, communications systems, process equipment and other loads where power quality and continuity are especially important. Selection should account for both the steady-state load and temporary startup demand.
A line-interactive UPS normally supplies the load from utility power and transfers to battery when necessary. An online UPS continuously supplies the load through its inverter, making it appropriate for applications requiring a higher level of isolation from incoming power disturbances.