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Why is the Switch disconnector 2 pole device's operational voltage rating at 415V?

johnwicklover

Shouldn't the voltage between line and neutral be around 230V in single phase installation?

For example this SD 

Thanks.

 

J

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  • 0

    Yes, the single phase L-N voltage in the Uk is 230V

     

    However, why assume this device can only be connected L/N. You might want to connect it to two phases of a 400V system 

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    Yes, the single phase L-N voltage in the Uk is 230V

     

    However, why assume this device can only be connected L/N. You might want to connect it to two phases of a 400V system 

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