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Surge protection - quote received

Johno12345

Hi,

A bit of advice, and maybe a bit amusing. 

I have had our lightning protection systems tested recently, and it passed as expected, but I then received a quote from the same people stating that there is no surge protection on the main LV panel.

They didn't have access to it, its in the powerhouse, fed by a 1MVA transformer, but they have actually quoted £1,350 for a type 1 SPD to the main board and one SPD to the fire alarm. I know they have just sent this as a standard sort of touting for business thing, but it did make me wonder if there is actually any requirement to retrofit SPD to our existing installation

Any thoughts?

Thanks 

Parents

  • If you have an LPS on site you are going to need at least a Type 1 at the origin of the installation. My preference would be a combined Type 1 and Type 2.

    How the company  knows you do not have an SPD already without access to your main panel is a question that you might wish to ask?

    Depending on your site and what it is installed on site you may require a hierarchy of SPDs on DBs across the site.

    JP 

Reply

  • If you have an LPS on site you are going to need at least a Type 1 at the origin of the installation. My preference would be a combined Type 1 and Type 2.

    How the company  knows you do not have an SPD already without access to your main panel is a question that you might wish to ask?

    Depending on your site and what it is installed on site you may require a hierarchy of SPDs on DBs across the site.

    JP 

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