I like the Fusebox boards and would fit them if I got to choose, my mate reckons the newest Chint board he fitted the other week was the best he's used in a while, plenty of space and all the MCB's line up perfectly. As for the din rail in the new Wylex boards, they are riveted in and there is now way of removing them. Its a pain in the arse if you are fitting a dual RCD on as you have to remove all the tails to get them out of the way instead of removing them all in one go. Here is what I mean about the din rail. (Crabtree and Wylex are the same with this model)
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You probably could get it out if you bent the case enough but its not designed to be removed really.
O/T but I'm stuck with that board now, I was in a rush and the spec said Crabtree board so I found a Toolstation that had one in stock and bought it, it wan't until I was halfway through fitting it that I realised it had AC RCD's in it, I wasn't even aware they still sold that version. There was no way I was uninstalling it all and a new type A board was the same price as separate RCD's so I just got one of them, swapped the RCD's over and carried on. But now I'm stuck with something I cant take back as all the model labels and box are wrong. What can I do with it.