IEC 62499 pdf – Railway applications – Current collection systems – Pantographs, testing methods for carbon contact strips

IEC 62499 pdf – Railway applications – Current collection systems – Pantographs, testing methods for carbon contact strips 5.2.4.2.2 Test at specified temperature Test specimens shall be prepared in accordance with 5.2.4.2.1 . Specimens shall be cooled / heated to –40 °C, 1 00 °C, 200 °C, 250 °C and the steady state temperature recorded in test 5.2.1 whether it...