DS DS/EN 50015
DS DSEN 50015 2000-JUN-23 Electrcal apparatus for potentally explosve atmospheres - Ol mmerson "o"
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This Standard specifies the requirements for the contruction and testing of oil-immersed electrical apparatus, oil-immersed parts of electrical apparatus and Ex components in the type of protection "o", intended for use in potentially explosive atmospheres of gas, vapour and mist.