EX positon switch works down to -60°C
25 September 2016
Resembling normal compact position switches with standard dimensions according to DIN EN 50047, construction of devices with plastic housings make steute Extreme switches a bit different.
The switches are tested and certified according to ATEX and IECEx for use in Gas Ex zones 1 and 2, as well as dust Ex zones 21 and 22. They can also be used in temperatures down to -60°C.
The robust housings are manufactured from plastic with a glass fibre reinforcement which is partly textile in structure. In addition, the housing covers are completely vulcanised to ensure that they remain sealed even upon impact. To seal the plungers, steute has implemented a redundant sealing system comprising an external sealing cuff suitable for low temperatures and an internal Teflon sealing ring.
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