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Eaton 5S 550i (550 VA, 330 W, Line-interactive UPS)
EUR117,98

Eaton 5S 550i

550 VA, 330 W, Line-interactive UPS

Question about Eaton 5S 550i

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phreichmuth

9 years ago

The technical data states that the UPS makes less than 40db noise in battery mode and none at all in mains mode. Where does this noise come from? This UPS does not have a fan, does it?

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Sasa Smiljkovic

9 years ago

You may hear a beeping or humming noise from the electronics and not because of a fan. But this is only the case with battery operation.