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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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    The PV installer usually installs a seperate 2 or 4 way cu with a type A or B RCD exclusively for their kit as part of the installation package, along with a seperate rotary 20A isolator.

    I would consult with the PV installer first - no need to duplicate kit un-necessarily.
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    The PV installer usually installs a seperate 2 or 4 way cu with a type A or B RCD exclusively for their kit as part of the installation package, along with a seperate rotary 20A isolator.

    I would consult with the PV installer first - no need to duplicate kit un-necessarily.
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