1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationElectromechanical switches foruse in electrical and electronicequipment Part 1: Generic specificationBS EN 61020-1:2009Incorporating corrigendum May 2013National forewordThis Bri
2、tish Standard is the UK implementation of EN 61020-1:2009. It is identical to IEC 61020-1:2009. It supersedes BS EN 196000:1993, BS EN 196103:2000, BS EN 196500:1993, BS QC 960000:1992, The UK participation in its preparation was entrusted to Technical CommitteePEL/23, Electrical accessories.A list
3、of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application.ISBN 978 0 580 74840 0ICS 31.220.20Compliance with a British Standard ca
4、nnot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 28 February 2010Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 61020-1:2009 The British Standards Institution 201
5、3.Published by BSI Standards Limited 201331 May 2013 Correction to supersession details in national forewordBS QC 960100:1992, BS QC 960200:1992, BS QC 960201:1992,BS QC 960300:1992, BS QC 960400:1992 and BS QC 960500:1992, whichare withdrawn.EUROPEAN STANDARD EN 61020-1 NORME EUROPENNE EUROPISCHE N
6、ORM September 2009 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: Avenue Marnix 17, B - 1000 Brussels 2009 CENELEC - All rights of exploitation in any form and by an
7、y means reserved worldwide for CENELEC members. Ref. No. EN 61020-1:2009 E ICS 31.220.20 Supersedes EN 196000:1992 + A1:2001, EN 196103:1998 and EN 196500:1993 + A1:2001English version Electromechanical switches for use in electrical and electronic equipment - Part 1: Generic specification (IEC 6102
8、0-1:2009) Interrupteurs lectromcaniques pour quipements lectriques et lectroniques - Partie 1: Spcification gnrique (CEI 61020-1:2009) Elektrisch-mechanische Schalter zur Verwendung in Gerten der Elektrotechnik und Elektronik - Teil 1: Fachgrundspezifikation (IEC 61020-1:2009) This European Standard
9、 was approved by CENELEC on 2009-08-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning
10、such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its ow
11、n language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Ital
12、y, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 61020-1:2009EN 61020-1:2009 - 2 - Foreword The text of document 23J/325/FDIS, future edition 2 of IEC 61020-1, prepared by SC 23J,
13、 Switches for appliances, of IEC TC 23, Electrical accessories, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61020-1 on 2009-08-01. This European Standard supersedes EN 196000:1992 + A1:2001, EN 196103:1998 and EN 196500:1993 + A1:2001. The following dates were fi
14、xed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2010-05-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2012-08-01 Annex ZA has been added by CENELEC. _
15、 Endorsement notice The text of the International Standard IEC 61020-1:2009 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60062 NOTE Harmonized as EN 60062:2005
16、 (not modified). IEC 60065 + A1 NOTE Harmonized as EN 60065:2002 (modified) + A1:2006 (modified). IEC 60068-2-27 NOTE Harmonized as EN 60068-2-27:2009 (not modified). IEC 60068-2-38 NOTE Harmonized as EN 60068-2-38:2009 (not modified). IEC 60068-2-44 NOTE Harmonized as EN 60068-2-44:1995 (not modifi
17、ed). IEC 60068-2-46 NOTE Harmonized as HD 323.2.46 S1:1988 (not modified). IEC 60068-2-77 NOTE Harmonized as EN 60068-2-77:1999 (not modified). IEC 60512 NOTE Harmonized in EN 60512 series (not modified). IEC 60664-1 NOTE Harmonized as EN 60664-1:2007 (not modified). IEC 60695-11-10 + A1 NOTE Harmon
18、ized as EN 60695-11-10:1999 + A1:2003 (not modified). IEC 60721-3-3 (+ A1) + A2 NOTE Harmonized as EN 60721-3-3:1995 + A2:1997 (not modified). IEC 61190-1-3 NOTE Harmonized as EN 61190-1-3:2007 (not modified). ISO/IEC 17050-1 NOTE Harmonized as EN ISO/IEC 17050-1:2004 (not modified). ISO/IEC 17050-2
19、 NOTE Harmonized as EN ISO/IEC 17050-2:2004 (not modified). ISO 286-1 NOTE Harmonized as EN 20286-1:1993 (not modified). ISO 1101 NOTE Harmonized as EN ISO 1101:2005 (not modified). ISO 9001 NOTE Harmonized as EN ISO 9001:2008 (not modified). _ BS EN 61020-1:2009- 3 - EN 61020-1:2009 Annex ZA (norma
20、tive) 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 r
21、eferenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60027 Series Letter symbols to be used in electrical technology EN 60027 Seri
22、es IEC 60050-581 2008 International Electrotechnical Vocabulary - Part 581: Electromechanical components for electronic equipment - - IEC 60068-1 A1 1988 1992 Environmental testing - Part 1: General and guidance EN 60068-11) 1994 IEC 60068-2-1 2007 Environmental testing - Part 2-1: Tests - Test A: C
23、old EN 60068-2-1 2007 IEC 60068-2-2 2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat EN 60068-2-2 2007 IEC 60068-2-6 2007 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 2008 IEC 60068-2-10 2005 Environmental testing - Part 2-10: Tests - Test J a
24、nd guidance: Mould growth EN 60068-2-10 2005 IEC 60068-2-13 1983 Environmental testing - Part 2: Tests - Test M: Low air pressure EN 60068-2-13 1999 IEC 60068-2-14 2009 Environmental testing - Part 2-14: Tests - Test N: Change of temperature EN 60068-2-14 2009 IEC 60068-2-17 1994 Environmental testi
25、ng - Part 2: Tests - Test Q: Sealing EN 60068-2-17 1994 IEC 60068-2-20 2008 Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads EN 60068-2-20 2008 IEC 60068-2-21 2006 Environmental testing - Part 2-21: Tests - Test
26、U: Robustness of terminations and integral mounting devices EN 60068-2-21 2006 IEC 60068-2-30 2005 Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle) EN 60068-2-30 2005 IEC 60068-2-42 2003 Environmental testing - Part 2-42: Tests - Test Kc: Sulphur dioxide test
27、 for contacts and connections EN 60068-2-42 2003 1) EN 60068-1 includes corr. October 1988 and A1:1992 to IEC 60068-1. BS EN 61020-1:2009EN 61020-1:2009 - 4 - Publication Year Title EN/HD Year IEC 60068-2-43 2003 Environmental testing - Part 2-43: Tests - Test Kd: Hydrogen sulphide test for contacts
28、 and connections EN 60068-2-43 2003 IEC 60068-2-45 A1 1980 1993 Environmental testing - Part 2: Tests - Test Xa and guidance: Immersion in cleaning solvents EN 60068-2-45 A1 1992 1993 IEC 60068-2-49 1983 Environmental testing - Part 2: Tests - Guidance to Test Kc: Sulphur dioxide test for contacts a
29、nd connections - - IEC 60068-2-58 1999 Environmental testing - Part 2-58: Tests - Test Td: Test methods for solderability, resistance to dissolution of metallization and to soldering heat of surface mounting devices (SMD) EN 60068-2-5819992)IEC 60068-2-61 1991 Environmental testing - Part 2: Test me
30、thods - Test Z/ABDM: Climatic sequence EN 60068-2-61 1993 IEC 60068-2-68 1994 Environmental testing - Part 2: Tests - Test L: Dust and sand EN 60068-2-68 1996 IEC 60068-2-78 2001 Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state EN 60068-2-78 2001 IEC 60529 A1 1989 1999 De
31、grees of protection provided by enclosures (IP Code) EN 60529 + corr. May A1 1991 1993 2000 IEC 60617 data-base Graphical symbols for diagrams - - IEC 61058-1 (mod) + A1 A2 2000 2001 2007 Switches for appliances - Part 1: General requirements EN 61058-1 A22002 2008 ISO 1000 1992 SI units and recomme
32、ndations for the use of their multiples and of certain other units - - 2) EN 60068-2-58 is superseded by EN 60068-2-58:2004, which is based on IEC 60068-2-58:2004. BS EN 61020-1:2009 2 61020-1 IEC:2009 CONTENTS INTRODUCTION.7 1 Scope and object8 1.1 Scope8 1.2 Object .8 2 General 8 2.1 Normative ref
33、erences 8 2.2 Units and symbols .10 2.3 Terms and definitions 10 2.4 Preferred values12 2.4.1 Clearance and creepage distances12 2.5 Marking .12 3 Quality assessment procedures12 4 Test and measurement procedures.12 4.1 General .12 4.1.1 Tolerances 13 4.1.2 Preconditioning13 4.1.3 Mounting .13 4.2 S
34、tandard atmospheric conditions.13 4.3 General examination .13 4.3.1 Visual examination 13 4.3.2 Dimensions .14 4.3.3 Dimensions, gauging .14 4.3.4 Mass .15 4.3.5 Functional operation15 4.3.6 Operating characteristics.16 4.3.7 Contact bounce .18 4.4 Resistance measurements 19 4.4.1 Contact resistance
35、 Millivolt level.19 4.4.2 Contact resistance Specified current 21 4.4.3 Resistance from actuator to mounting bushing (surface)22 4.4.4 Insulation resistance23 4.5 Dielectric strength .23 4.5.1 Dielectric strength at standard atmospheric conditions 23 4.5.2 Dielectric strength at low air pressure24 4
36、.6 Heating .25 4.6.1 Object .25 4.6.2 Method 25 4.6.3 Requirement26 4.6.4 Details to be specified .26 4.7 Dynamic stress26 4.7.1 Shock 26 4.7.2 Vibration27 4.7.3 Contact disturbance.28 4.8 Mechanical strength 28 4.8.1 Robustness of actuator28 BS EN 61020-1:200961020-1 IEC:2009 3 4.8.2 Robustness of
37、mounting bushing .31 4.8.3 Robustness of screw mounting 31 4.8.4 Robustness of terminations .31 4.9 Mechanical endurance.32 4.9.1 Mechanical endurance Standard atmospheric conditions 32 4.9.2 Mechanical endurance Category temperature range .33 4.10 Electrical endurance33 4.10.1 Electrical endurance
38、Standard atmospheric conditions .33 4.10.2 Electrical endurance Upper category temperature.35 4.10.3 Electrical endurance Category temperature range 36 4.10.4 Electrical endurance Low air pressure 36 4.10.5 Logic loads (TTL) 37 4.10.6 Low level endurance test .38 4.11 Overload .39 4.11.2 Electrical
39、overload.39 4.11.3 Capacitive load switching 40 4.12 Environmental testing41 4.12.1 Climatic sequence .41 4.12.2 Damp heat, steady state43 4.12.3 Rapid change of temperature.44 4.12.4 Mould growth (resistance) .44 4.12.5 Corrosion, industrial atmosphere .45 4.12.6 Dust and sand .46 4.12.7 Contact re
40、sistance stability48 4.13 Soldering.49 4.13.1 Solderability, wetting, solder bath method49 4.13.2 Solderability, wetting, soldering iron method50 4.13.3 Solderability, de-wetting 51 4.13.4 Resistance to soldering heat, solder bath method51 4.13.5 Resistance to soldering heat, soldering iron method 5
41、2 4.14 Panel seal .53 4.14.1 Drip Proof.53 4.14.2 Splash Proof.53 4.14.3 Immersion .53 4.14.4 Submersion .54 4.15 Enclosure seal.55 4.15.1 Watertight immersion.55 4.15.2 Resilient or hermetic seal 55 4.16 Fluid resistance.56 4.16.1 Immersion in cleaning solvents (marking) 56 4.17 Fire hazard56 4.18
42、Capacitance 56 4.18.1 Object .56 4.18.2 Method 56 4.18.3 Requirement57 4.18.4 Details to be specified .57 4.19 Illumination57 4.19.1 Chromaticity 57 4.19.2 Transmittancy57 BS EN 61020-1:2009 4 61020-1 IEC:2009 4.19.3 Temperature of illuminated surface58 4.20 Soldering for surface mounting switches .
43、58 4.20.1 Solderability, solder bath method (surface mounting switches) 58 4.20.2 Solderability, reflow method (surface mounting switches) 59 4.20.3 Solderability, soldering iron method (surface mounting switches) 60 4.20.4 Resistance to soldering heat , solder bath method (surface mounting switches
44、) .60 4.20.5 Resistance to soldering heat, reflow method (surface mounting switches) .61 4.20.6 Resistance to soldering heat, soldering iron method (surface mounting switches)62 4.21 Mechanical strength (surface mounting switches)62 4.21.1 Substrate bending (surface mounting switches) .62 4.21.2 Pul
45、l-off and push-off (surface mounting switches)63 4.21.3 Shear (surface mounting switches) 64 4.21.4 Body strength (surface mounting switches)64 Annex A (informative) Quality assurance procedures .66 Bibliography67 Figure 1 Contact bounce test circuit.18 Figure 2 Typical trace of contact bounce19 Fig
46、ure 3 Application of forces and torques for test 4.8130 Figure 4 Submersion seal enclosure 55 Table 1 Minimum wire length .25 Table 2 Torque values for mounting screws .31 Table 3 Methods proposed for corrosion tests46 Table 4 Solderability, Bath method: Test severities (duration and temperature) .5
47、0 BS EN 61020-1:200961020-1 IEC:2009 7 INTRODUCTION This generic specification covers the general requirements and test methods for electromechanical switches with optional quality assurance procedures. It provides the general requirements and test methods for use in any detail specifications for pu
48、shbutton switches, rotary switches, sensitive switches, toggle switches, and other electromechanical switches. It also provides guidelines for appropriate quality assurance procedures in Annex A (informative). Where it is intended that an electromechanical switch comply with requirements related to
49、safety, the specific safety requirements are specified in IEC 61058-1. BS EN 61020-1:2009 8 61020-1 IEC:2009 ELECTROMECHANICAL SWITCHES FOR USE IN ELECTRICAL AND ELECTRONIC EQUIPMENT Part 1: Generic specification 1 Scope and object 1.1 Scope This generic specification relates to electromechanical switches intended for use in electrical and electronic appliances. Switches covered by this specification: a) are devices which open, close, or change the connection o
