DS DS/EN 60721-3-3/A2
DS DSEN 60721-3-3A2 1997-OCT-22 Classfcaton of envronmental condtons - Part 3 Classfcaton of groups of envronmental parameters and ther severtes - Secton 3 Statonary use at weatherprotected locatons
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The standard classifies groups of environmental parameters and their severities to which products are subjected when mounted for stationary use at weatherprotected locations under use conditions, including periods of erection work, down time, maintenance and repair.