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EN 50155:2007-07: Railway applications – Rolling stock – Electronic equipment
EN 50121-3-2:2006-07: Railway applications – Electromagnetic compatibility – Part 3-2: Rolling stock – Apparatus
EN 50124-1:2001-03: Railway applications – Insulation coordination – Part 1: Basic requirements – Clearances and creepage distances for all electrical and electronic equipment
EN 61373:2010-09: Railway applications – Rolling stock equipment – Shock and vibration tests
EN 45545-2: Railway applications – Fire protection on railway vehicles – Part 2: Requirements for fire behaviour of materials and components
Kompletta enheter för ljudsignalering i spårbundna fordon av tal, melodier eller toner. Till exempel varningssignaler eller meddelanden till passagerare eller personal.