"Matt" wrote in message
...
On Thu, 12 Oct 2006 21:32:28 +0100, Ed Sirett
wrote:

Question as per title.

Is the answer don't even try. Or usually OK. Or always OK.

Don't even try. The only thing that is compatible is the rail fitting
(sometimes) and the terminal for the wire. Virtually every
manufacturer seems to use their own busbar setup. MK even have two
incompatible busbar systems - old and new.


Seconded