What is a A UPS (Uninterruptible Power Supply)?

A UPS (Uninterruptible Power Supply) is a device that provides temporary and stable power during a power outage or voltage fluctuation. It is used with equipment such as computers, communication systems, medical devices, and industrial machinery that may suffer critical damage from sudden power loss. A UPS contains a built-in battery that is charged during normal operation and instantly supplies power when the main power source is interrupted. There are three main types of UPS systems: Offline (Standby), Line-Interactive, and Online (Double Conversion). Offline UPS is cost-effective but may have a short switching delay. Line-Interactive UPS provides better voltage regulation and a good balance between cost and performance. Online UPS always supplies power via its battery, offering the highest reliability with zero interruption or voltage disturbance.

The primary role of a UPS is to prevent data loss, system crashes, and hardware damage caused by power issues. It is essential for maintaining operational continuity in IT infrastructure and production environments.

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