Axle load

tbr (s)

Maximum AC surface temperature (˚C) without braking

Maximum AC surface temperature (˚C) during braking

NR1

13t

1.44

61.5

67.2

20t

1.44

61.5

67.2

NR2

13t

1.44

60.4

66.4

20t

1.44

60.4

66.6