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Vertiv Liebert GXT4 & GXT5
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UPS Basics

Online UPS vs. Standby UPS: What’s the Difference?

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Introduction Not every UPS uses the same power-protection architecture. Two commonly discussed approaches are standby UPS systems and online UPS systems. Understanding the difference can help when evaluating equipment for critical applications. Standby UPS A standby UPS normally supplies incoming utility power to connected equipment and switches to battery power when the input supply fails or moves outside acceptable limits. Online UPS An online double-conversion UPS continuously processes incoming electrical power before delivering output power to the connected equipment. This architecture is commonly used where power quality and continuity are important. Why Choose Online? Online UPS systems can be appropriate for: Final takeaway UPS selection should be based on the actual application rather than simply choosing the cheapest available backup system.

UPS Basics

What Is a UPS and Why Does Your Equipment Need One?

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Introduction A UPS, or Uninterruptible Power Supply, is designed to provide protected electrical power to connected equipment during power disturbances and outages. For businesses operating computers, network infrastructure, medical equipment, industrial electronics or other sensitive loads, a UPS can form an important part of an overall power-protection strategy. What Does a UPS Do? A UPS can help protect connected equipment from: Online UPS systems take power protection a step further by continuously converting incoming power before supplying the connected load. Why Is This Important? An unexpected power interruption can cause equipment shutdown, interrupted operations, and potential data or equipment problems. For critical environments, maintaining protected power can be an important operational consideration. Final takeaway The right UPS depends on the equipment, electrical load, required runtime, and operating environment.