Online UPS

The online UPS, sometimes called a true UPS,  is the best type you can buy. Paradoxically, it is both very similar to, and totally opposite to, the least-expensive type, the standby UPS. It is very similar to it in that it has the same two power sources, and a transfer switch that selects between them. It is the exact opposite from the standby UPS because it has reversed its sources: in the online UPS the primary power source is the UPS's battery, and utility power is the secondary power source!

Vertiv, formerly Emerson Network Power, designs, builds and services critical infrastructure that enables vital applications for data centers, communication networks and commercial and industrial facilities.




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