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IEC 61992-6 Ed. 1.0 b:2006
Railway applications - Fixed installations - DC switchgear - Part 6: DC switchgear assemblies
Covers d.c. metal-enclosed and non-metallic enclosed switchgear assemblies used in indoor stationary installations of traction systems, with nominal voltage not exceeding 3 000 V.
International Electrotechnical Commission [iec]

