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Explosion protection

As an innovative company, Fluidtechnik Fiedler GmbH closes the market gap between the areas of mechanical engineering and extreme operating conditions.


As an ATEX and IECEx-certified company with a successfully completed type examination, we are able to plan and build electrical controls for zones 1 and 2 and, as a manufacturer, place them on the market.


According to the type examination certificate, we can combine the types of protection Ex d, Ex e and Ex [ia] and bring them onto the market in connection with our hydraulic systems.


  • Control for gas groups B and C, category 2G, for use in zones 1 and 2

  • Aluminium, stainless steel or sheet steel housing

  • Degree of protection IP66

  • With and without Ex e, Ex i connection housing

  • Connection housing made of aluminium, GRP, stainless steel or sheet steel

  • Operating temperature according to installations

  • EC type approval TÜV 11 ATEX 7777X, IECEx TUR 12.0005X

  • Ambient temperature from -50 °C to +60 °C
    (depending on housing size, built-in components, power loss and the required temperature class)

  • Power losses from 45 to 1700 watts
    (depending on housing size, ambient temperature and temperature class)

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