Railway applications. Fixed installations. Particular requirements for alternating current switchgear. Disconnectors, earthing switches and switches with nominal voltage above 1 kV|Earthing switches, Mechanical testing, Type testing, Ratings, Breaking capacity, Single-phase current, Switchgear, Railway fixed equipment, High-voltage equipment, Railway electric traction equipment, Switches, Circuit-breakers, Electrical protection equipment, Alternating current, Railway equipment, Isolator switches, Pressure Railway applications