Lots of good info on this from those in the know, thanks for that.

[QUOTE=focusv8;4810047]Incoming from inlet connector outside of van goes into top of main switch / main rcbo.
Copper bussbar goes from LIVE at the bottom of main switch to bottoms of MCBs.
Neutral from bottom of mainswitch goes to common bar on the side of the unit.

Cables to circuits go;
Live from top of Mcb,
Neutral from common Neutral bar
and Earth from common earth bar.

Better pic?
http://www.ultimatehandyman.co.uk/co...split_load.htm

I followed this description from jerh20 and that is just how i had wired it in, always good to check though! cheers mate.
So in my mini consumer unit ive got a main switch and two MCB's which have BS 32 and BS 6 on them, im assuming they are 32 and 6 amp MCB's then? (feel free to take the piss)
What size MCB do i need to power a double socket in my campervan which will be used for normal domestic appliances, 13a?
It has a standard 35mm DIN rail in it so would any other make/manufacturer of MCB just simpley slot in?

Many thanks.
Muffster.