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ČSN EN 50306-1-ed.2 (347662)
Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 1: General requirements
Translate name
STANDARD published on 1.11.2020
The information about the standard:
Designation standards: ČSN EN 50306-1-ed.2
Classification mark: 347662
Catalog number: 510225
Publication date standards: 1.11.2020
SKU: NS-1008171
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Ignitability and burning behaviour of materials and productsCablesRailway rolling stock in general
Annotation of standard text ČSN EN 50306-1-ed.2 (347662):
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
Preview of the standard ČSN EN 50306-1-ed.2 (347662)
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