Defines specific operating temperature classes (e.g., -25°C to +70°C). Requirements for cooling, dry heat, and damp heat tests. Normal service conditions for different elevations. Mechanical Integrity:
Trains have "dirty" power due to heavy motors and switches. The standard tests for: IEC 60571:2012 IEC 60571:2012 | IEC. IEC Webstore Electronic equipment used on rolling stock IEC 60571:2012 iec 60571pdf
Equipment must be robust enough to handle the constant mechanical stress of movement and rail-wheel contact. Power Supply: Defines specific operating temperature classes (e