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很不错的参考资料,This British Standard is the official English language version of EN 60950-1:2006. It was derived by CENELEC from IEC 60950-1:2005. It supersedes BS EN 60950-1:2002 which will be withdrawn on 1 December 2010.
EN60950-1:2006/A11:2009 Replace the current Annex Za by the following Annex zA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document(including any amendments) applies NoTE Where an International Publication has been modified by common modifications, indicated by(mod), the relevant EN/HD Publication Year Title EN/HD ear lEC 60065(mod) 2001 Audio, video and similar electronic apparatus- EN 60065 2002 A1 2005 Safety requirements A1 2006 A11 2008 A2 A2 EC60068-2-78 Environmental testing EN60068-27820013 Part 2-78: Tests-Test Cab: Damp heat steady state EC60073 Basic and safety principles for man-machine EN 60073 2002 interface, marking and identification -Coding principles for indication devices and actuators EC60083 Plugs and socket-outlets for domestic and similar general use standardized in member countries of ec EC60085 2004 Electrical insulation -Thermal classification EN60085 2004 EC60112 Method for determining the proof and EN60112 2003 comparative tracking indices of insulating materials EC60216-4-1 2) Guide for the determination of thermal EN60216-4-1 2006 endurance properties of electrical insulating materials Part 4: Ageing ovens Section 1: Single-chamber ovens lEC 60227(mod) Series Polyvinyl chloride insulated cables of rated HD 21 Series voltages up to and including 450/750V lEC 60245(mod) Series Rubber insulated cables of rated voltages up HD 22 Series to and including 450/750V 1)At draft stage Undated reference Valid edition at date of issue The HD 21 series is related to, but not directly equivalent with the IEC 60227 series The Hd 22 series is related to but not directly equivalent with the iEc 60245 series EN60950-1:2006/A11:2009 Publication Year Title EN/HD Year lEC 60309(mod Series Plugs, socket-outlets and couplers for EN60309 Series industrial purposes Ec60317 Series Specifications for particular types of winding EN 60317 Series Wires EC60317-43 art 43: Aromatic polyimide tape wrapped EN60317-43 19973) round copper wire, class 240 lEC 60320(mod) Series Appliance couplers for household and similar EN 60320 Series general purposes lEC 60364-1(mod) 2001 Electrical installations of buildings HD384.1S2 2001 Part 1: Fundamental principles, assessment of general characteristics, definitions Ec60384-14 1993 Fixed capacitors for use in electronic EN132400 1994 A 1995 equipment Part 14: Sectional specification Fixed capacitors for electromagnetic interference suppression and connection to the supply mains EC60417 Data- Graphical symbols for use on equipment base EC60664-1 1992 Insulation coordination for equipment within +A1 2000 low-voltage systems +A2 2002 Part 1: Principles, requirements and tests EN60664-1 2003 Ec60695-2-11 Fire hazard testing EN60695-2-11 2001 3) Part 2-11: Glowing/hot-wire based test methods- Glow-wire flammability test method for end-products EC60695-2-20 Part 2-20: Glowing/hot-wire based test methods-Hot-wire coil ignitability Apparatus, test method and guidance Ec60695-10-2 Part 10-2 Guidance and test methods for the EN60695-10-2 2003 3) minim ization of the effects of abnormal heat on electrotechnical products involved in fires Method for testing products made from non metallic materials for resistance to heat using the ball pressure test EC60695-11-3 Part 11-3: Test flames-500 W flames Apparatus and confirmational test methods EC60695-11-4 Part 11-4: Test flames -50W flames Apparatus and confirmational test methods EC60695-1110 Part 11-10: Test flames-50W horizontal and En 60695-11-10 1999 A1 vertical flame test methods A1 20033) EN 132400, Sectional specification: Fixed capacitors for electromagnetic interference suppression and connection to the supply mains (Assessment level D), and its amendments are related to, but not directly equivalent to IEC 60384-14. They are superseded by EN 60384-14: 2005, which is based on IEC 60384-14: 2005 EN60950-1:2006/A11:2009 Publication Year Title EN/HD Year EC60695-11-20 Part 11-20: Test flames-500 W flame test EN60695-11-2019993 Al methods A1 2003 lEC 60730-1(mod) 1999 Automatic electrical controls for household EN60730-1 000 A 2003 and similar use A 2004 Part 1: General requirements A1 2003 A13 2004 +A14 2005 A16 2007 A2 2007 A2 2008 EC60747-5-5 2007 Semiconductor devices- Discrete devices EN60747-5-5 Part 5-5: Optoelectronic devices Photocouplers EC60825-1 Safety of laser products EN60825-1 20073) Part 1: Equipment classification, requirements and users guide EC60825-2 Part 2: Safety of optical fibre communication EN 60825-2 20043) systems A1 20073 EC/TR60825-9 Part 9: Compilation of m aximum permissible exposure to incoherent optical radiation EC60825-12 Part 12: Safety of free space optical EN60825-12 20043) communication systems used for transmission of information EC60851-3 1996 Winding wires- Test methods EN608513 1996 A 1997 Part 3: Mechanical properties A1 1997 EC608515 996 Part 5: Electrical properties EN608515 1996 Al 1997 A1 1997 A2 2004 A2 2004 EC60851-6 1996 Part 6: Thermal properties EN60851-6 1996 EC60885-1 1987 Electrical test methods for electric cables Part 1: Electrical tests for cables. cords and wires for voltages up to and including 450/750V EC60906-1 2) lEC System of plugs and socket-outlet for household and similar purposes Part 1: Plugs and socket-outlets 16 A 250 V a. c Ec60906-2 Part 2: Plugs and socket-outlets 15A 125 V a. c EC60947-1 2004 Low voltage switchgear and control gear EN60947-1 2004 Part 1: General rules Ec60990 1999 Methods of measurement of touch current and en 60990 1999 protective conductor current EN60950-1:2006/A11:2009 Publication Year Title EN/HD Year EC61051-2 1991 Varistors for use in electronic equipment Part 2: Sectional specification for surge suppression varistors lEC 61058-1(mod) 2000 Switches for appliances EN61058-1 2002 Part 1: General requirements SO178 Plastics-Determination of flexural properties EN ISO 178 20033) SO179 Series Plastics-Determination of Charpy impact EN ISO 179 Series strength so180 Plastics-Determination of Izod impact EN ISO 180 20003 strength So261 Iso general-purpose metric screw threads General plan SO262 ISo general- purpose metric screw threads Selected sizes for screws bolts and nuts So527 Series Plastics-Determination of tensile properties EN ISO 527 Series So3864 Series Safety colours and safety signs So4892-1 Plastics-Methods of exposure to laboratory EN ISO 4892-1 2000 light sources Part 1: General guidance SO4892-2 Part 2: Xenon-arc sources EN|sO4892-22006 So48924 Part 4: Open-flame carbon-arc lamps SO7000 Data- Graphical symbols for use on equipment base Index and synopsis So8256 Plastics-Determination of tensile-impact EN SO 8256 2004 strength SO9772 Cellular plastics-Determination of horizontal burning characteristics of small specimens subjected to a small flame SO9773 Plastics-Determination of burning behaviour EN ISO 9773 19983) of thin flexible vertical specimens in contact with a small-flame ignition source ITU-T Resistibility tests for telecommunication Recommendation equipment exposed to overvoltages and overcurrents - Basic recommendation 7)EN61058-12002 ludes a1:2001tEc610581:2000 EN60950-1:2006/A11:2009 Annex zB (normative) Special national conditions Special national condition: National characteristic or practice that cannot be changed even over a long period, e.g. climatic conditions, electrical earthing conditions NOTE If it affects harmonization, it forms part of the European Standard For the countries in which the relevant special national conditions apply these provisions are normative, for other countries they are informative Change the existing special national conditions as follows Clause Special national condition Add as new snc: In Norway and Sweden, for requirements see and 7. 3 of this annex Replace the existing Snc by the following: In Finland, Norway and Sweden, resistors bridging BASIC INSULATION in CLASS I PLUGGABLE EQUIPMENT TYPE A must comply with the requirements in addition when a single resistor is used, the resistor must withstand the resistor test in Add as new snc In Norway and Sweden, the screen of the cable distribution system is normally not earthed at the entrance of the building and there is normally no equipotential bonding system within the building. Therefore the protective earthing of the building installation need to be isolated from the screen of a cable distribution system It is however accepted to provide the insulation external to the equipment by an adapter or an interconnection cable with galvanic isolator, which may be provided by e.g. a retailer The user manual shall then have the following or similar information in Norwegian and Swedish language respectively, depending on in what country the equipment is intended to be used in Equipment connected to the protective earthing of the building installation through the mains connection or through other equipment with a connection to protective earthing and to a cable distribution system using coaxial cable, may in some circumstances create a fire hazard. Connection to a cable distribution system has therefore to be provided through a device providing electrical isolation below a certain frequency range galvanic isolator, see EN 60728-11 NOTE In Norway, due to regulation for installations of cable distribution systems, and in Sweden, a galvanic isolator shall provide electrical insulation below 5 MHZ. the insulation shall withstand a dielectric strength of 1, 5 kv r.m.s 50 Hz or 60 Hz for 1 min EN60950-1:2006/A11:2009 Clause Special national condition Translation to Norwegian(the Swedish text will also be accepted in Norway) Utstyr som er koplet til beskyttelsesjord via nettplugg og/eller via annet jordtilkoplet utstyr-og er tilkoplet et kabel-TV nett, kan forarsake brannfare. For a unga dette skal det ved tilkopling av utstyret til kabel-TV nettet installeres en galvanisk isolator mellom Itstyret og kabel-TV nettet Translation to swedish Utrustning som ar kopplad till skyddsjord via jordat vagguttag och/eller via annan utrustning och samtidigt ar kopplad till kabel-Tv nat kan i vissa fall medora risk for brand. For att undvika detta skall vid anslutning av utrustningen till kabel-TV nat galvanisk isolator finnas mellan utrustningen och kabel-TV natet 1.7.5 Add the following paragraph to the existing SNc for Denmark For class I Equipment the socket outlet shall be in accordance with standard sheet DKA 1-4a 7.3 Delete the existing SNC for Norway and Sweden(based on notE 1 of IEC 60950-1: 2005+ corr 1) Add as new SNC(based on future note 3 of IEC 60950-1: 200X) In norway and Sweden, for requirements see 1.2.13. 14 and of this annex EN60950-1:2006/A11:2009 Annex zc (informative) A-deviations A-deviation: National deviation due to regulations, the alteration of which is for the time being outside the competence of the CENELEC national member. This European Standard falls under Directives RTTED(1999/5/EC)and LVD(2006/95/EC) NOTE ( from CEN/CENELEC IR Part 2: 2006, 2.17)Where standards fall under EC Directives, it is the view of the Commission of the European Communities (OJ No C 59, 1982-03-09)that the effect of the decision of the Court of Justice in case 815/79 Cremonini/Vrankovich(European Court Reports 1980, p 3583)is that compliance with A-deviations is no longer mandatory and that the free movement of products complying with such a standard should not be restricted within the ec except under the safeguard procedure provided for in the relevant Directive A-deviations in an EFTA-country are valid instead of the relevant provisions of the European Standard in that country until they have been removed Clause Deviation 1.5.1 Sweden Delete the A-deviation Denmark Delete the A-deviation 1.7.5 Denmark Delete the A-deviation Denmark Delete the A-deviation BRITISH STANDARD BS EN 60950-1:2006 Corrigenda Nos. 1 and 2 Information technology equipment— Safety Part 1: General requirements The European Standard En 60950-1: 2006 has the status of a British Standard ICS 35 NO COPYING WITHOUT BSI PP RMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards

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