DS EN 50152-2:2012 Railway Applications - Fixed Installations - Particular Requirements For Alternating Current Switchgear - Part 2: Disconnectors, Earthing Switches And Switches With Nominal Voltage Above 1 Kv Pertains to single-pole and two-pole alternating current (a.c.) disconnectors, earthing switches and switches which are designed for indoor or outdoor fixed installations in tractions systems, and ope