Which materials and cross-sections are sufficient?
To obtain approval from DB Netz AG, it must be proven that all components are short-circuit-current-proof (RIL 997.0205A01).
The following parameters are used:
Ik’’ ≤ 25 kA: test current of 25 kA, duration of 100 ms
Ik’’ > 25 kA: test current of 40 kA, duration of 100 ms