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DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN 60794-2-20 ; VDE 0888-117:2014-09 [CURRENT] references following documents:

Document number Edition Title
IEC 60654-2 1979 Operating conditions for industrial-process measurement and control equipment. Part 2 : Power More 
IEC 60654-2 AMD 1 1992-10 Operating conditions for industrial-process measurement and control equipment; part 2: power; amendment 1 More 
IEC 60654-3 1983 Operating conditions for industrial-process measurement and control equipment. Part 3 : Mechanical influences More 
IEC 60654-4 1987 Operating conditions for industrial-process measurement and control equipment. Part 4 : Corrosive and erosive influence More 
IEC 60721-1 1990-12 Classification of environmental conditions; part 1: environmental parameters and their severities More