Domestic companies have successfully developed 13-meter UHV hollow porcelain insulators by improving the mud formula and bonding process, breaking through the traditional firing deformation problem, and meeting the needs of extreme working conditions such as lightning impact and. Domestic companies have successfully developed 13-meter UHV hollow porcelain insulators by improving the mud formula and bonding process, breaking through the traditional firing deformation problem, and meeting the needs of extreme working conditions such as lightning impact and. The recent 137th Canton Fair in Guangzhou was a total game-changer! This year, we saw some seriously cool innovations in Ceramic Fuse technology, and they really stole the spotlight, bringing in a record number of international buyers. Can you believe there were 288,938 foreign purchasers from 219. Ceramic fuses, in contrast, are built for more robust applications. They have a ceramic tube instead of glass, which can withstand higher temperatures and pressure. Inside, the filament is usually surrounded by a filler like sand, which helps quench the arc when the fuse blows. Higher Interrupt. The NH fuse is the global standard for protecting high currents and is installed in factories, photovoltaic systems, wind farms and electric vehicles. In addition to the standard types NH000, NH00, NH0, NH1, NH2, NH3, NH4, our product range also includes various special types (e. high-speed. In recent years, with the transformation of the global energy structure and the rapid development of UHV and new energy industries, the core components of the electric power field, NH fuse ceramic bodies, have ushered in the dual opportunities of technological innovation and market expansion. As. Components for low voltage D and D0 fuse applications As one of five largest producers of fuses in the world and co-creators of international standards ETI has many years' experience in technical ceramics for fuses and special equipment for large-series production of all ceramic elements in D and. Silicate ceramic fuse bodies perform key functions in electrical fuses: electrical insulation, mechanical stability, and high temperature resistance.