UNE-EN 50306-1:2020
Current
The latest, up-to-date edition.
Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 1: General requirements
Hardcopy , PDF
Spanish, Castilian, English
14-10-2020
EN 50306-1 specifies the general requirements applicable to the cables given 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 Level3 of EN 45545-1 and "2.
These cables are rated for occasional thermal stresses causing ageing equivalent to continuous
operational life at a temperature of 90 °C. For standard cables this is determined by the acceptance
test defined in EN 50305, using accelerated long-term (5000 h) thermal ageing indicating a
110 °C/20 000 h temperature index. Should the customer require lifetime predictions this should 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 has to be used in conjunction with one or more of the other parts of EN 50306.
| Committee |
CTN 211/SC 20
|
| DocumentType |
Standard
|
| Pages |
21
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Current
|
| Standards | Relationship |
| EN 50306-1:2020 | Identical |
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