Wylex plug in mcb availability

Yeah plenty of 40/45 on eBay without tab.

They are to prevent the coloured part being fitted into a way that s not rated for 45A
 
Yeah plenty of 40/45 on eBay without tab.
It's getting confusing (at least for me)! Not only have I been looking for a tab that everyone had been calling a notch, but I've also been looking at the MCBs themselves, not the 'base'.

However, that does not materially alter what I am saying - I have one B40 for which both the device and the base have tabs, and another which shows no sign of either device or base ever having had a tab!
 
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No wonder you are confused !
I don't think you can really blame me. This all started when I read the quote from flameport which read ...
... Devices over 30A have a notch which fits into this cutout ...
... which is why I had been looking at the devices (rather than bases), and looking for a notch (rather than tab).
 

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