It could be one of those xfmrs designed so that primary burning out is the protection I suppose. I'm not sure that this would meet the BS1363 standard though, since that specifies that each point of connection must be protected by a fuse of 13A max.

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What? You dont have TORX scewdrivers?:)


Sure I do, but the heads of the screws on this appear to need some sort of odd tool with two small rectangular prongs to fit.

As NJ said, they don't want anything to be repairable anymore. If this had used normal screws and had a fuse fitted, I'd have reterminated the damaged cord, dropped in a new fuse, reassembled and all would be right with the world. As it is, there's nothing can be done but to throw it in the trash.