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BS EN 50525-3-21:2011

Current
Current

The latest, up-to-date edition.

Electric cables. Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) Cables with special fire performance. Flexible cables with halogen-free crosslinked insulation, and low emission of smoke
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-09-2011

1 Scope
2 Normative references
3 Terms and definitions
4 Heat resistant cables (90 degrees C)
Annex A (normative) - Tests for cables to EN 50525-3-21
Annex B (normative) - General data
Annex C (normative) - Requirements for compatibility test
National Annex (informative) - Origins and identification
               of the particular cable types
Bibliography

Pertains to flexible cables, insulated and sheathed with halogen-free crosslinked compound and having low emission of smoke and corrosive gases when exposed to fire.

EN50525-3-21 applies to flexible cables, insulated and sheathed with halogen-free crosslinked compound and having low emission of smoke and corrosive gases when exposed to fire.

NOTE1 Low emission of smoke is checked in accordance with EN61034-2. Low emission of corrosive gases is checked as part of the check for absence of halogens (see AnnexB of EN50525-1).

The cables are of rated voltage U0/U 450/750V.

The cables are intended for the connection of equipment and machinery to the fixed supply.

The maximum conductor operating temperature for each of the cables in this standard is 90°C.

NOTE2 HD 516 contains extensive guidance on the safe use of cables in this standard.

This EN50525-3-21 should be read in conjunction with EN50525-1, which specifies general requirements.

Committee
GEL/20/17
DevelopmentNote
Together with BS EN 50525-1, 2-11, 2-21, 2-51 & 2-83, supersedes BS 7919(2001). To be read in conjunction with BS EN 50525-1. Supersedes 08/30188836 DC. (10/2011)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN 50525-3-21:2011 Identical
IEC 62271-102:2001/COR4:2014 Identical
EN 50525-3-21:2011/AC:2013 Identical

BS 7671(2008) : 2018 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS
BS 7671(2008) : 2008 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS

EN 50363-5 : 2005 AMD 1 2011 INSULATING, SHEATHING AND COVERING MATERIALS FOR LOW VOLTAGE ENERGY CABLES - PART 5: HALOGEN-FREE, CROSS-LINKED INSULATING COMPOUNDS
EN 60719:1993 Calculation of the lower and upper limits for the average outer dimensions of cables with circular copper conductors and of rated voltages up to and including 450/750 V
IEC 60228:2004 Conductors of insulated cables
IEC 60502-1:2004+AMD1:2009 CSV Power cables with extruded insulation and their accessories for rated voltages from 1 kV (<em>U</em><sub>m</sub> = 1,2 kV) up to 30 kV(<em>U</em><sub>m</sub> = 36 kV) - Part 1: Cables for rated voltages of 1 kV (<em>U</em><sub>m</sub> = 1,2 kV) and 3 kV (<em>U</em><sub>m</sub> = 3,6 kV)
EN 60228:2005 COR 2005 CONDUCTORS OF INSULATED CABLES
EN 60332-1-2:2004/A11:2016 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 (IEC 60332-1-2:2004/A1:2015)
EN 50363-6 : 2005 AMD 1 2011 INSULATING, SHEATHING AND COVERING MATERIALS FOR LOW VOLTAGE ENERGY CABLES - PART 6: HALOGEN-FREE, CROSS-LINKED SHEATHING COMPOUNDS
IEC 60332-3-24:2000+AMD1:2008 CSV 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
IEC 60332-1-2:2004+AMD1:2015 CSV Tests on electric and optical fibre cables under fire conditions - Part 1-2: Test for vertical flame propagation for a single insulatedwire or cable - Procedure for 1 kW pre-mixed flame
IEC 60719:1992 Calculation of the lower and upper limits for the average outer dimensions of cables with circular copper conductors and of rated voltages up to and including 450/750 V
EN 50525-1:2011 Electric cables - Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) - Part 1: General requirements
EN 61034-2:2005/A1:2013 MEASUREMENT OF SMOKE DENSITY OF CABLES BURNING UNDER DEFINED CONDITIONS - PART 2: TEST PROCEDURE AND REQUIREMENTS (IEC 61034-2:2005/A1:2013)
IEC 60811-1-2:1985 Common test methods for insulating and sheathing materials of electric cables - Part 1: Methods for general application - Section Two: Thermal ageing methods
EN 60811-1-2:1995/A2:2000 INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - COMMON TEST METHODS - GENERAL APPLICATION - THERMAL AGEING METHODS
HD 516 S2:1997/A2:2008 GUIDE TO USE OF LOW VOLTAGE HARMONIZED CABLES
EN 50395 : 2005 AMD 1 2011 ELECTRICAL TEST METHODS FOR LOW VOLTAGE ENERGY CABLES
EN 60811-2-1 : 98 AMD 1 2001 INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - COMMON TEST METHODS - PART 2-1: METHODS SPECIFIC TO ELASTOMERIC COMPOUNDS - OZONE RESISTANCE, HOT SET AND MINERAL OIL IMMERSION TESTS
EN 60332-3-24 : 2009 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
IEC 60811-1-4:1985 Common test methods for insulating and sheathing materials of electric cables - Part 1: Methods for general application - Section Four: Tests at low temperature
IEC 60811-2-1:1998+AMD1:2001 CSV Common test methods for insulating and sheathing materials of electric and optical cables - Part 2-1: Methods specific to elastomeric compounds - Ozone resistance, hot set and mineral oil immersion tests
IEC 61034-2:2005+AMD1:2013 CSV Measurement of smoke density of cables burning under definedconditions - Part 2: Test procedure and requirements
EN 50396 : 2005 AMD 1 2011 NON ELECTRICAL TEST METHODS FOR LOW VOLTAGE ENERGY CABLES
EN 60811-1-4:1995/A2:2001 INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - COMMON TEST METHODS - PART 1-4: GENERAL APPLICATION - TESTS AT LOW TEMPERATURE

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