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What is a true “on-line” UPS?

April 26, 2017on-line UPS

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What is a true “on-line” UPS?

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The UPS offering the most protection is the “on-line” unit. The inverter runs continuously, it usually has a cooling fan that runs continuously, and it always converts input power to DC then to output power. This is the only UPS to give true conditioned power.