Thanks for the responses guys, very useful.
Scotty, when you say "from a quick glance at the curves" I take it you are referring to the curves in the meshield guide?
There may be an option to increase eg the 63A fuse to 100A - this would still protect the cable and put a bit of distance...
Hello
I am doing a desktop study looking at grading between HRC fuses and downstream MCBs. The upstream fuses tend to be GEC Alstom type 'T' HRC to BS88 and I have obtained data including the 'pre-arcing' values.
For the downstream MCBs, I need to make sure that at the particular DB fault...
