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Charlotte Stonestreet
Managing Editor |
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NH fuse switch disconnectors
05 July 2021
Quick installation, with focus on safety: Mersen (Euronext FR0000039620 – MRN) offers two versions of its new NH fuse switch disconnector series in size 000. The Multibloc 000.RST9 is being launched as a bus bar version for mounting on 60mm bus bar systems, while the Multibloc 000.ST9 is available in the mounting plate version with a width of only 53mm.
Meeting demand for small power distribution boards industrial and building applications, as well as industrial control applications such as drive, starter and motor protection, the new generation of the Multibloc size 000 from Mersen offers numerous advantages compared to the previous generation.
The 125A NH fuse switch disconnectors are not only designed for higher electrical power than the previous model, they have also become safer: In closed position they can be locked with a padlock or sealed with a lead seal, which substantially increases the safety of the installation.
The fuse switch disconnectors will also be available with an optional fuse monitoring module, which makes it possible to notify an external system via a digital output of the module when a fuse blows out. This fuse monitoring feature also makes maintenance more efficient. Micro switches for detecting when the switch door is opened are available for all versions. Amperage is 125A and the short-circuit rating 80kA.
