ECN Forum Forums General Topics of the Trade Non-US Electrical Systems & Trades Why it is called Diazed fuse?

13 A circuits have been introduced in Germany a few years ago. So 13 A MCB's and Neozed fuses have been normed and become available now.
Suppose 13 A Diazed are normed for the same reason, but it doesn't look like there is a real market for them, as nobody would use Diazed in a new installation.