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eLibrary >
24/30445524 DC BS EN IEC 63418 Fixed accessories intended for household and similar purposes that supply power through an interface >
24/30445524 DC BS EN IEC 63418 Fixed accessories intended for household and similar purposes that supply power through an interface, 2024
- 23B_1502e_CD.pdf [Go to Page]
- CONTENTS
- Fixed accessories intended for household and similar purposes that supply power through an interface
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General requirements
- 5 General remarks on tests [Go to Page]
- 5.1 General
- 5.2 Products arrangement during test
- 5.3 Ambient test condition
- 5.4 Additional samples
- 5.5 Routine tests
- 6 Ratings [Go to Page]
- 6.1 Rated input voltage
- 6.2 USB output ratings
- 7 Classification [Go to Page]
- 7.1.1 Accessories are classified according to the degree of protection against access to hazardous parts and against harmful effects due to the ingress of solid foreign objects as described in IEC 60529.
- 7.1.2 Accessories are classified according to the degree of protection against harmful effects due to the ingress of water as described in IEC 60529.
- 7.1.3 Classification according to the provision for earthing: [Go to Page]
- 7.1.3.1 Accessories without earthing;
- 7.1.3.2 Accessories with earthing.
- 7.1.4 Classification according to the connection means: [Go to Page]
- 7.1.4.1 with screw type terminals;
- 7.1.4.2 with screwless-type terminals;
- 7.1.4.3 with insulation piercing terminals (IPT);
- 7.1.4.4 with connecting leads.
- 7.1.5 Classification according to the method of application/mounting of the accessory: [Go to Page]
- 7.1.5.1 surface, or
- 7.1.5.2 flush, or
- 7.1.5.3 semi flush.
- 7.1.6 Classification according to the method of installation: [Go to Page]
- 7.1.6.1 accessories where the cover or cover-plate can be removed without displacement of the conductors (design A), or
- 7.1.6.2 accessories where the cover or cover-plate cannot be removed without displacement of the conductors (design B).
- 7.1.7 according to the connection capacities of the terminals: [Go to Page]
- 7.1.7.1 accessories with a connection capacity up and including 1,5 mm²;
- 7.1.7.2 accessories with a connection capacity up and including 2,5 mm².
- 7.1.8 according to the provision of loop terminals: [Go to Page]
- 7.1.8.1 accessories with loop terminals;
- 7.1.8.2 accessories without loop terminals.
- 7.1.9 according to the nature of supply: [Go to Page]
- 7.1.9.1 accessories powered by AC;
- 7.1.9.2 accessories powered by DC.
- 7.1.10 according to the function of the incorporated switch: [Go to Page]
- 7.1.10.1 with switch for maintenance of electric installation;
- 7.1.10.2 with switch for switching the power supply in normal use.
- 8 Marking
- 9 Checking of dimensions [Go to Page]
- 9.1 General
- 10 Protection against electric shock [Go to Page]
- 10.3.1 For accessories powered by circuits other than SELV circuits, accessible parts of the accessory when wired and/or mounted as in normal use shall be made of insulating material with the exception of the following:
- 10.3.2 For accessories powered by circuits other than SELV circuits, covers, cover plates or other parts of the enclosure of metal shall be protected by additional insulation made by insulating linings or insulating barriers. The insulating linings or...
- 11 Provision for earthing
- 12 Terminals and terminations [Go to Page]
- 12.1 General
- 12.2 Terminals with screw clamping for external copper conductors [Go to Page]
- 12.2.1 Accessories shall be provided with terminals which shall allow the proper connection of copper conductors having nominal cross-sectional areas as shown in Table 2.
- 12.2.2 Terminals with screw clamping shall allow the conductor to be connected without special preparation.
- 12.2.3 Terminals with screw clamping shall have adequate mechanical strength.
- 12.2.4 Terminals with screw clamping shall be resistant to corrosion.
- 12.2.5 Terminals with screw clamping shall be so designed and constructed that they clamp the conductor(s) without undue damage to the conductor(s).
- 12.2.6 Terminals with screw clamping shall be so designed that they clamp the conductor reliably between metal surfaces.
- 12.2.7 Terminals with screw clamping shall be so designed or placed that neither a rigid solid conductor nor a wire of a stranded conductor can slip out while the clamping screws or nuts are tightened.
- 12.2.8 Terminals with screw clamping shall be so fixed or located within the accessory that, when the clamping screws or nuts are tightened or loosened, the terminals shall not work loose from their fixing to accessories.
- 12.2.9 Clamping screws or nuts of earthing terminals with screw clamping shall be adequately locked against accidental loosening and it shall not be possible to loosen them without the aid of a tool.
- 12.2.10 Earthing terminals with screw clamping shall be such that there is no risk of corrosion resulting from contact between these parts and the copper of the earthing conductor, or any other metal that is in contact with these parts.
- 12.2.11 For pillar terminals, the distance between the clamping screw and the end of the conductor, when fully inserted, shall be at least that specified in Figure 5.
- 12.3 Screwless-type terminals for external copper conductors [Go to Page]
- 12.3.1 Screwless-type terminals may be of the type suitable for rigid copper conductors only or of the type suitable for both rigid and flexible copper conductors.
- 12.3.2 Screwless-type terminals shall be provided with two clamping units each allowing the proper connection of rigid or of rigid and flexible copper conductors having nominal cross-sectional areas as shown in Table 2.
- 12.3.3 Screwless-type terminals shall allow the conductor to be connected without special preparation.
- 12.3.4 Parts of screwless-type terminals mainly intended to carry current shall be of materials as specified in 19.5.
- 12.3.5 Screwless-type terminals shall be so designed that they clamp the specified conductors with sufficient contact pressure and without undue damage to the conductor.
- 12.3.6 It shall be clear how the connection and disconnection of the conductors is to be made.
- 12.3.7 Screwless-type terminals which are intended to be used for the interconnection of two or more conductors shall be so designed that
- 12.3.8 Screwless-type terminals shall be designed so that adequate insertion of the conductor is obvious and over-insertion is prevented if further insertion is liable to reduce the creepage distances and/or clearances required in Table 17, or to infl...
- 12.3.9 Screwless-type terminals shall be properly fixed to the accessory.
- 12.3.10 Screwless-type terminals shall withstand the mechanical stresses occurring in normal use.
- 12.3.11 Screwless-type terminals shall withstand the electrical and thermal stresses occurring in normal use.
- 12.3.12 Screwless-type terminals shall be so designed that the connected rigid solid conductor remains clamped, even when it has been deflected during normal installation, for example, during mounting in a box, and the deflecting stress is transferred...
- 12.4 Insulation piercing terminals (IPT)
- 13 Construction of accessories [Go to Page]
- 13.1 Insulating linings, barriers and the like
- 13.2 Connection of conductors
- 13.3 Protection against electric shock provided by covers, cover-plates [Go to Page]
- 13.3.1 For covers or cover-plates whose fixings are of the screw-type:
- 13.3.2 For covers or cover-plates of accessories powered by circuits other than SELV circuits whose fixing is not dependent on screws and whose removal is obtained by applying a force in a direction approximately perpendicular to the mounting/supporti...
- 13.3.3 For covers or cover-plates the fixing of which is not dependent on screws and whose removal is obtained by using a tool, in accordance with the manufacturer's instructions given in an instruction sheet or in other documentation:
- 13.4 Openings in normal use
- 13.5 Means for mounting the accessory
- 13.6 Mounting plate of surface-type accessories
- 13.7 Surface-type accessories having an IP code higher than IP20
- 13.8 Metal strips of the earthing circuit
- 13.9 Installation in boxes
- 13.10 Inlet openings
- 13.11 Fixing of membranes (grommets)
- 13.12 Material for membranes
- 13.13 Conductors used in accessories
- 13.14 Switches used in accessories
- 13.15 Capacitors bridging insulation between primary and secondary circuits of the accessory
- 13.16 Applicable clauses of IEC 62368-1:2023
- 13.17 Applicable clauses of IEC 62368-3:2017
- 14 Resistance to ageing, protection provided by enclosures, and resistance to humidity [Go to Page]
- 14.1 Resistance to ageing
- 14.2 Protection provided by enclosures [Go to Page]
- 14.2.1 General
- 14.2.2 Protection against access to hazardous parts and against harmful effects due to ingress of solid foreign objects [Go to Page]
- 14.2.2.1 General
- 14.2.2.2 Protection against access to hazardous parts
- 14.2.2.3 Protection against harmful effects due to ingress of solid foreign objects
- 14.2.3 Protection against harmful effects due to ingress of water
- 14.3 Resistance to humidity
- 15 Insulation resistance and electric strength [Go to Page]
- 15.1 General
- 15.2 Test for measuring the insulation resistance
- 15.3 Electric strength test
- 16 Temperature rise [Go to Page]
- 16.1 General
- 16.2 Temperature rise test
- 16.3 Temperature rise test of terminals for accessories with loop terminals
- 16.4 Looping through function
- 17 Mechanical strength [Go to Page]
- 17.1 General
- 17.2 Impact test with pendulum hammer
- 17.3 Test for accessories with a main part intended to be mounted directly on a surface
- 17.4 Torque test for glands
- 17.5 Tests on covers, cover-plates or parts of them according to 13.3.2 a) [Go to Page]
- 17.5.1 When checking the forces necessary to retain or remove covers, cover-plates or parts of them, the accessories are mounted as for normal use.
- 17.5.2 Verification of the retention of covers or cover-plates is carried out as follows.
- 17.5.3 Verification of the removal of covers or cover-plates is carried out as follows.
- 17.6 Tests on covers, cover-plates or parts of them according to 13.3.2 b)
- 17.7 Tests on covers, cover-plates or parts of them according to 13.3.2 c)
- 17.8 Verification of the outline of covers fixed without screws on a mounting surface or supporting surface
- 17.9 Verification of grooves, holes and reverse tapers
- 17.10 Mechanical tests of USB ports [Go to Page]
- 17.10.1 General
- 17.10.2 USB port lateral strain test
- 17.10.3 Resistance to mechanical force on a USB port during insertion
- 17.10.4 Impact test
- 18 Resistance to heat [Go to Page]
- 18.1 General
- 18.2 Basic heating test
- 18.3 Ball-pressure test at 125 C
- 18.4 Ball-pressure test at 70 C or higher
- 19 Screws, current-carrying parts and connections [Go to Page]
- 19.1 General
- 19.2 Correct insertion of screws
- 19.3 Contact pressure of electrical connections
- 19.4 Screws and rivets used both as electrical and mechanical connections
- 19.5 Material of current-carrying parts
- 19.6 Contacts subjected to sliding actions
- 19.7 Thread-forming and thread-cutting screws
- 20 Creepage distances, clearances and distances through sealing compound [Go to Page]
- 20.1 General
- 20.2 Insulating sealing compound
- 21 Resistance of insulating material to abnormal heat, to fire and to tracking [Go to Page]
- 21.1 Resistance to abnormal heat and to fire [Go to Page]
- 21.1.1 General
- 21.1.2 Glow-wire test
- 21.1.3 Resistance to tracking
- 22 Resistance to rusting
- 23 EMC requirements [Go to Page]
- 23.1 General
- 23.2 Immunity
- 23.2.1 General
- 23.2.2 Voltage dips and short interruptions
- 23.2.3 Surge immunity test for 1,2/50 wave impulses
- 23.2.4 Electrical fast transient/burst test
- 23.2.5 Electrostatic discharge test
- 23.2.6 Radiated electromagnetic field test
- 23.2.7 Radio-frequency voltage test
- 23.2.8 Power-frequency magnetic field test
- 23.3 Emission
- 23.3.1 General
- 23.3.2 Low-frequency emission
- 23.3.3 Radio-frequency emission
- 23 Electromagnetic fields (EMF) requirements
- 24 Abnormal conditions [Go to Page]
- 25.1 General
- 25.2 Temperature rise under abnormal conditions
- 25.2.1 Overview
- 25.2.2 General
- 25.2.2.1 Overview
- 25.2.2.2 Fault conditions tests
- 25.2.2.3 Overload tests
- 25.3 Protection against electric shock after fault conditions arise
- 25.4 Short circuit in the looping through circuit
- Annex A (informative) Safety-related routine tests for electric strength test control – Electric strength test of the accessory
- Annex B (informative) Guidance for the measurement of the working voltage between Primary and Secondary of Transformer
- Annex C (normative) Additional requirements for accessories provided with insulation-piercing terminals
- 3 Terms and definitions
- 7 Classification [Go to Page]
- 7.1.10 IPT classification according to the method of making the connection
- 8 Marking [Go to Page]
- 8.1 General
- 8.2 Symbols
- 8.3 Visibility of markings
- 8.9 Manufacturer’s documentation for IPTs
- 12 Terminals and terminations [Go to Page]
- 12.4 Insulation piercing terminals (IPT)
- Bibliography [Go to Page]
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