Dehn + Söhne GmbH & Co. KG is showcasing its solutions and products to protect state-of-the-art manufacturing systems and buildings under the banner “be safe” in Hannover - they include the new DEHNguard M H 275 TT.25 Apr 2017
Who wouldn't secretly love their own personal bodyguard to look over them and ward off all dangers? Unfortunately, this kind of all-seeing, all-vanquishing superhero is not yet available in real life. Having said that, there is some very impressive protection to be had against certain specific risks. And Dehn + Söhne GmbH & Co. KG from Neumarkt in southeastern Germany proudly trades on the fact that “"DEHN protects". The company has added the motto "be safe" to its main advertising slogan for HANNOVER MESSE 2017, where it is showcasing protective and safety solutions and products for state-of-the-art manufacturing systems and buildings. Among its wide range of trade fair highlights, the DEHNguard M H 275 TT really stands out.
TT systems are special low voltage grids for supplying electrical power in electrical engineering scenarios. In these systems, the N-PE spark gap must be capable of conducting the total discharge current in the entire 4-conductor system. To ensure everything works as it should even at higher discharge values, the N-PE arrester in the DEHNguard M H 275 TT was designed to accommodate the actual sum of the discharge currents in the grid modules. It is therefore the first type 2 multi-pole surge arrester for TT systems to boast an 80-kiloampere high-performance spark gap. This makes the DEHNguard MH 275 TT the ideal protection device for systems that require higher availability and greater safety, such as those used in mobile telephony or for the AC side of solar inverters, which demand much higher reserve discharge capacity.
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