The 100 and 120 series pressure, differential pressure and temperature switches have received SIL 2 certification and have systematic capability at SIL 3 level. Switch users looking only for high-speed electromechanical SIL 2-level switching can specify the 100 series for weather-proof general applications. Users who need SIL 2-level reliability temperature and pressure switching in Div. 1/Zone 1 hazardous environments can consider the explosion-proof UE 120 series electromechanical switches. This series performs critical safety, alarm and shutdown functions in oil and gas, petrochemical and refining industries. They are globally certified for hazardous applications in North America (cULus), Europe (ATEX, CE and IECEx) and other regions.
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