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CEI EN 50306-1

Railway applications - Railway rolling stock cables having special fire performance - Thin wall Part 1: General requirements

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Organization: CEI
Publication Date: 1 August 2020
Status: active
Page Count: 20
ICS Code (Cables): 29.060.20
ICS Code (Railway rolling stock in general): 45.060.01
ICS Code (Ignitability and burning behaviour of materials and products): 13.220.40
scope:

EN 50306-1 specifies the general requirements applicable to the cables given in EN 50306-2, EN 50306-3 and EN 50306-4. It includes the detailed requirements for S2 sheathing materials and other components called up in the separate parts.

NOTE Detailed requirements for insulation systems are given in EN 50306-2.

In particular, EN 50306-1 specifies those requirements relating to fire safety which enable the cables to satisfy Hazard Level 3 of EN 45545-1 and EN 45545-2.

These cables are rated for occasional thermal stresses which causes ageing equivalent to continuous operational life at a temperature of 105 °C or 90 °C. For standard cables, this is determined by the acceptance test defined in EN 50305, using accelerated long-term (5 000 h) thermal ageing indicating a 125 °C or 110 °C /20 000 h temperature index. If the customer were to require lifetime predictions, this would be demonstrated based on the temperature index of the product as supplied by the manufacturer. The maximum temperature for short circuit conditions is 160 °C based on duration of 5 s.

EN 50306-1 is expected to be used in conjunction with one or more of the other parts of EN 50306.

Document History

CEI EN 50306-1
August 1, 2020
Railway applications - Railway rolling stock cables having special fire performance - Thin wall Part 1: General requirements
EN 50306-1 specifies the general requirements applicable to the cables given in EN 50306-2, EN 50306-3 and EN 50306-4. It includes the detailed requirements for S2 sheathing materials and other...
June 1, 2003
Railway applications - Railway rolling stock cables having special fire performance Thin wall - Part 1: General requirements
La presente norma specifica le prescrizioni applicabili ai cavi ferroviari con particolare riferimento alla sicurezza contro l'incendio.

References

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