True. However, it still seems rather odd to me that to install a Main Switch (which is obviously 'dimensionally very similar') 'of the wrong make' apparently invalidates the 'type tested' status but that to hack away at the busbar apparently does not invalidate it!
What you wrote was " 'fits' ", i.e. in inverted commas.
It's not hacking away at it - it is cutting it to the required lengths as per the maker's instructions.
If that is what the rules say, then yes. Is this another example of you not liking what the rules say, deciding that you wished they said something different, and then looking for an interpretation, or a way to rationalise a decision by you that because they actually meant what you would like them to mean then they must actually mean that, so you are OK to do what you want rather than what they say?
Be that as it may, if the manufacturer only submits for evaluation, or only self-certifies, CUs with his own devices in it, then whether you like it or not, and whether it makes any sense to you or not, that is how it is and pursuing arguments along the lines of "it must be just as safe" is utterly pointless.
Be that as it may, if the manufacturer only submits for evaluation, or only self-certifies, CUs with his own devices in it, then whether you like it or not, and whether it makes any sense to you or not, that is how it is and pursuing arguments along the lines of "has it ever been a problem in real life" is utterly pointless.
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