View source for Uninterruptible Power Supply (UPS)

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| '''1.''' Uninterrupted Power Supply or UPS is a device that provides instantaneous power cutover when utility power fails, usually by storing excess capacity in one or more batteries. 


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'''2.''' A backup electrical power supply that provides continuous power to critical equipment in the event that commercial power is lost. The UPS (usually a bank of batteries) offers short-term protection against power surges and outages. The UPS usually only allows enough time for vital systems to be correctly powered down.

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