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Optional TVSS (Transient Voltage Surge Suppressor)
All models of the 1600XPi UPS ending in -TVS are equipped with a TVSS (Transient Voltage Surge Suppressor. The TVSS
is mounted on the back of the UPS and is factory wired to the input as shown below.
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1600XPi Series UPS Installation and Operation Manual – 60616-014