SFS-EN 50306-1:2020:en

Soveltamisala

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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.

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Velvoittavat viittaukset

EN 50264-1:2008 Railway applications - Railway rolling stock power and control cables having special fire performance - Part 1: General requirements
EN 50305:2020 Railway applications - Railway rolling stock cables having special fire performance - Test methods
EN 50306-2:2020 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 2: Single core cables

EN 50264-1:2008 Railway applications - Railway rolling stock power and control cables having special fire performance - Part 1: General requirements
EN 50305:2020 Railway applications - Railway rolling stock cables having special fire performance - Test methods
EN 50306-2:2020 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 2: Single core cables
EN 50306-3:2020 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 3: Single core and multicore cables screened and thin wall sheathed
EN 50306-4:2020 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 4: Multicore and multipair screened or not screened sheathed cables
EN 50355:2013 Railway applications - Railway rolling stock cables having special fire performance - Guide to use
EN 60332-1-2:2004 Tests on electric and optical fibre cables under fire conditions - Part 1-2: Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1 kW pre-mixed flame
EN 60684-2:2011 Flexible insulating sleeving - Part 2: Methods of test
EN 60754-1:2014 Test on gases evolved during combustion of materials from cables - Part 1: Determination of the halogen acid gas content
EN 60754-2:2014 Test on gases evolved during combustion of materials from cables - Part 2: Determination of acidity (by pH measurement) and conductivity
EN 60811-1-1:1995 Insulating and sheathing materials of electric and optical cables - Common test methods - Part 1-1: General application - Measurement of thickness and overall dimensions - Tests for determining the mechanical properties
EN 60811-1-1:1995/A1:2001 Insulating and sheathing materials of electric and optical cables - Common test methods - Part 1-1: General application - Measurement of thickness and overall dimensions - Tests for determining the mechanical properties
EN 60811-1-2:1995 Insulating and sheathing materials of electric cables - Common test methods - Part 1-2: General application - Thermal ageing methods
EN 60811-1-2:1995/A2:2000 Insulating and sheathing materials of electric cables - Common test methods - Part 1-2: General application - Thermal ageing methods
EN 60811-1-3:1995 Insulating and sheathing materials of electric and optical cables - Common test methods - Part 1-3: General application - Methods for determining the density - Water absorption tests - Shrinkage test
EN 60811-1-3:1995/A1:2001 Insulating and sheathing materials of electric and optical cables - Common test methods - Part 1-3: General application - Methods for determining the density - Water absorption tests - Shrinkage test
EN 60811-1-4:1995 Insulating and sheathing materials of electric and optical cables - Common test methods - Part 1-4: General application - Tests at low temperature
EN 60811-1-4:1995/A2:2001 Insulating and sheathing materials of electric and optical cables - Common test methods - Part 1-4: General application - Tests at low temperature
EN 61034-2:2005 Measurement of smoke density of cables burning under defined conditions - Part 2: Test procedure and requirements
EN IEC 60332-3-24:2018 Tests on electric and optical fibre cables under fire conditions - Part 3-24: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category C
EN IEC 60332-3-25:2018 Tests on electric and optical fibre cables under fire conditions - Part 3-25: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category D

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