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International Mains Supply Voltages

This is a summary of the Mains supply voltages and freqeuncies from around the world.
They are here for reference only, you are recommended to confirm the actual voltages and freqeuncies with the approapiate countries


Country Voltage Tolerance Frequency Max Current Comments
Japan 100 V +7% / -5% 50 Hz & 60 Hz 12 Amps Use +/- 10% on voltage when designing.
The supply impeadence and quality is not as good as within the UK
Taiwan 110 V +/- 10% 60 Hz - -
USA 120 V +6% / -12% 60 Hz 12 Amps -
Canada 120 V +/- 8.5% 60 Hz 12 Amps -
Russia 220 V +10% / -20% 50 Hz - -
Turkey 220 V +/- 10% 50 Hz - -
UAE 220 V +/- 3% 50 Hz - -
China 220 V +7% / -10% 50 Hz - -
South Africa 220 V +/- 10% 50 Hz 15 Amps -
South Korea 220 V +/- 6% 60 Hz - -
Israel 230 V +/- 10% 50 Hz - -
UK 230 V +10% / -6% 50 Hz 13 Amps UK is typically 240 V
230V is to unify with EU standardisation
EU 230 V +6% / -10% 50 Hz 10 Amps Some circuit breakers are 10A
Some others can be 6A for ring mains
ANZ 230 V +10% / -6% 50 Hz 10 Amps -
Singapore 230 V +/- 6% 50 Hz 13 Amps -


Other sites with relative information

Leads Direct

World Standards

Wikipedia

U.S. Department of Commerce


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(Updated: 13th August 2008)