What ratings do insurers specify (if any) nowdays?
I've always specified 20KA. Glad to hear what everyone does
What ratings do insurers specify (if any) nowdays?
I've always specified 20KA. Glad to hear what everyone does
Hello : )
I have seen a document from an insurance company for client and it states a 40KA, also spoke to another spark awhile back at the supplier and he said it's 40Ka as well, and he had a good moan about it and all sorts.
So now as standard I do 40KA and I think it has to be 40KA "In" so the max inrush or current or what ever it is. It's been awhile since looking at the topic of SPDs as I decided just make sure there is 40KA stamped all over the surge device haha.
CBI usually only have 10KA so then I would use I think it was LEAR. Probably not good at all like a DEHN but it's a bazillion times cheaper and satisfies insurance
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Andrew_van_Zyl (11-Oct-24)
Insurance have also got into the habit of requesting a Type 1 and 2 combined surge arrestor
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