DavidM wrote:

I found some MCBs in FADS about a year ago that had bayonets on them and
simply plugged in in place of the old rewirable fuse holders. Cost about ｣15
each and available in a range of ratings. I had to modify the plastic cover


At that price you could replace the whole CU with a modern split load
one including MCBs etc using one of the various special bundle deals
that screwfix et al do.

--
Cheers,

John.

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