TT farm RCD protection

[Engineer54]

With a 1000KVA transformer I hope it’s not TT!

Could be interesting though.

You could say that every TX on the LV side, no matter what size it is, starts off as a TT system... lol!!

 

[Knobhead]

True, but how often do you connect anything to the LV tails before the N→E link?

 

[mark@27]

True, but how often do you connect anything to the LV tails before the N→E link?

Thanks guys for all your views and help, I've been desperately trying to find a rcd main switch for my Schneider i line panelboard , finding one to be told it wont find as its 4 pole and the bus-bar is 3pole , then calling there technical to say they just dont do that anymore, does anyone have any ideas on how to fit 300ma RCD protection with 95mm tails going through them before going into my I line panel. as im really trying to satisfy SEC because they told be it has to be done before they will connect.

thanks

mark

 

[JD6400]

Thanks guys for all your views and help, I've been desperately trying to find a rcd main switch for my Schneider i line panelboard , finding one to be told it wont find as its 4 pole and the bus-bar is 3pole , then calling there technical to say they just dont do that anymore, does anyone have any ideas on how to fit 300ma RCD protection with 95mm tails going through them before going into my I line panel. as im really trying to satisfy SEC because they told be it has to be done before they will connect.

thanks

mark

Post 5

 

[lman_271860]

http://www.doepke.co.uk/catalogue/images/rcds.pdf

i think ge also do something similar