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Old 07.04.2013, 22:38
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Re: Connecting a German 220V kitchen appliance bought in France to a 400V outlet in C

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It's already 3 x 220 V, you get 380 V across any 2 phases. I never know why the outlets say 400 V when it's 380 V, perhaps voltage was 230v previously in CH & this would give about 400 V across any 2 phases.
Actually it is the other way around. It was 220V/380V and it is now 230V/400V as every where else in Europe. See IEC 60038 and http://en.wikipedia.org/wiki/Mains_electricity.

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Standardization

Following voltage harmonization, electricity supplies within the European Union are now nominally 230 V 10% at 50 Hz.[1] For a transition period (1995–2008), countries that had previously used 220 V changed to a narrower asymmetric tolerance range of 230 V +6% −10% and those (like the UK) that had previously used 240 V changed to 230 V +10% −6%.[2] No change in voltage is required by either system as both 220 V and 240 V fall within the lower 230 V tolerance bands (230 V 10%). Some areas of the UK still have 250 volts for legacy reasons, but these also fall within the 10% tolerance band of 230 volts. In practice, this allows countries to continue to supply the same voltage (220 or 240 V), at least until existing supply transformers are replaced. Equipment (with the exception of filament bulbs) used in these countries is designed to accept any voltage within the specified range.

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We had a three phase (400V) electrical outlet. It was a simple matter to convert this to three 220V single phases. Get a quote from an electrician - it may just require some simple rewiring.
Wait what? You did pay for the "conversion" There is no rewiring needed, a 400V socket is both. 400V and 230V it is just a questin if you meassure from phase to phase or from phase to neutral.

Edit: I think I understand. You had a Single Typ 15 socket and now you have a Tripple Typ 13 socket.
Here is an overview of all Swiss sockets an plugs and which goes into which one.


PS: An high wattage hob/oven has to be permanentely installed w/o any plug.
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