GAMDIAS KRATOS E1 500 80 PLUS, Quick Installation Manual, Page: 3 / 15

02. Voltage Switch
▼If AC voltage of your region is 100~130V, voltage switch must be set to this position
▼For example, if you live in the United States, the voltage switch must be set to this position
▼If AC voltage of your region is 220~240V, voltage switch must be set to this position
▼For example, if you live in France, the voltage switch must be set to this position
● Make sure voltage switch is correctly set for your region before powered on
● Incorrect voltage switch setting will destroy the PSU