BS EN 50124-2:2017

This standard BS EN 50124-2:2017 Railway applications. Insulation coordination is classified in these ICS categories:

• 29.080.01 Electrical insulation in general
• 29.280 Electric traction equipment
• 45.020 Railway engineering in general

This European Standard applies to:

• fixed installations (downstream of the secondary of the substation transformer) and rolling stock equipment linked to the contact line of one of the systems defined in EN 50163 ;

• rolling stock equipment linked to a train line.

This European Standard gives simulation and/or test requirements for protection against transient overvoltages of such equipment.

Long-term overvoltages are not addressed in this document.