DS DS/EN 61241-11
DS DSEN 61241-11 2007-JAN-30 Electrcal apparatus for use n the presence of combustble dust - Part 11 Protecton by ntrnsc safety "D" Replaced by DS DSEN 60079-11
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This part of EN 61241 specifies requirements for the construction and testing of intrinsically safe apparatus intended for use in potentially explosive dust cloud or dust layer environments and for associated apparatus that is intended for connection to intrinsically safe circuits which enter such environments.