Mersen NH-Switchgear for arctic temperatures safe at minus 40 degrees Celsius

Date
06/06/2013

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Very low temperature can lead to embrittlement of plastics and metals, restrict the functionality of switches and fusegear or make them unsafe. This may even render them inoperable and they can become a safety hazard for operators and surrounding electrical equipment. Mersen has developed NH-Switchgear, which performs reliably even at extremely low temperatures. It can be used safely under arctic conditions of minus 40 degrees Celsius and offers a number of additional product advantages. The significant improvements were mainly achieved by increasing the mechanical strength of the NH-Switchgear. It can now be opened, closed and the fuse-links can be replaced at minus 40 degrees Celsius. Special care was taken to make sure that no wear or damage will occur that could potentially cause a malfunction. The Mersen development engineers chose plastics resistant to cold temperatures and optimized highly-stressed sections of the fuse switchgear. After the finalization of product development and intensive testing the following product groups will be available in the very low temperature resistant version: - NH- Fuse-switch-disconnectors MULTIBLOC size 000 / 100A up to size 3 / 630A - NH- Fuse-switch-disconnectors MULTIVERT® size 00 / 160A up to size 3 / 630A - NH- Fuse rails BSL size 00 / 160A up to size 3 / 630A Mersen

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