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Cu change before pv install.

hertzal123
Customer wants to install pv panels after the new cu has been fitted and I just wondered what devices to fit for it.Think the PV is 4kw,so I thought maybe a B20 mcb and a DC sensitive rcd?Thanks for any advice.

                                                Regards, hz
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    You may also find that the inverter will provide power for several tens of seconds after the mains fails. If you do not have double pole rcds / a separate CU for the solar, you may find that the CU will remain live and some loads still on, after an rcd trip. 


    Regards,


    Alan.
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    You may also find that the inverter will provide power for several tens of seconds after the mains fails. If you do not have double pole rcds / a separate CU for the solar, you may find that the CU will remain live and some loads still on, after an rcd trip. 


    Regards,


    Alan.
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