1、 IEC 61020-1Edition 2.0 2009-07INTERNATIONAL STANDARD NORME INTERNATIONALEElectromechanical switches for use in electrical and electronic equipment Part 1: Generic specification Interrupteurs lectromcaniques pour quipements lectriques et lectroniques Partie 1: Spcification gnrique IEC61020-1:2009 TH
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16、s ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 61020-1Edition 2.0 2009-07INTERNATIONAL STANDARD NORME INTERNATIONALEElectromechanical switches for use in electrical and electronic equipment Part 1: Generic specification Interrupteurs lectromcaniques pour quipem
17、ents lectriques et lectroniques Partie 1: Spcification gnrique INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XBICS 31.220.20 PRICE CODECODE PRIXISBN 2-8318-1053-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commissio
18、n Electrotechnique Internationale 2 61020-1 IEC:2009 CONTENTS FOREWORD.5 INTRODUCTION.7 1 Scope and object8 1.1 Scope8 1.2 Object .8 2 General 8 2.1 Normative references 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 Marki
19、ng .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 Standard atmospheric conditions.13 4.3 General examination .13 4.3.1 Visual examination 13 4.3.2 Dimensions .14 4.3.3 Dimensions, gauging .
20、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 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 Ins
21、ulation 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 4.6 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
22、4.7.2 Vibration27 4.7.3 Contact disturbance.28 4.8 Mechanical strength 28 4.8.1 Robustness of actuator28 61020-1 IEC:2009 3 4.8.2 Robustness of 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 Stand
23、ard atmospheric conditions 32 4.9.2 Mechanical endurance Category temperature range .33 4.10 Electrical endurance33 4.10.1 Electrical endurance Standard atmospheric conditions .33 4.10.2 Electrical endurance Upper category temperature.35 4.10.3 Electrical endurance Category temperature range 36 4.10
24、.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 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 chan
25、ge 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 resistance stability48 4.13 Soldering.49 4.13.1 Solderability, wetting, solder bath method49 4.13.2 Solderability, wetting, soldering iron method50 4.13.3 Sol
26、derability, de-wetting 51 4.13.4 Resistance to soldering heat, solder bath method51 4.13.5 Resistance to soldering heat, soldering iron method 52 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 immers
27、ion.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 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
28、Transmittancy57 4 61020-1 IEC:2009 4.19.3 Temperature of illuminated surface58 4.20 Soldering for surface mounting switches .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 i
29、ron method (surface mounting switches) 60 4.20.4 Resistance to soldering heat , solder bath method (surface mounting switches) .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)
30、62 4.21 Mechanical strength (surface mounting switches)62 4.21.1 Substrate bending (surface mounting switches) .62 4.21.2 Pull-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 a
31、ssurance procedures .66 Bibliography67 Figure 1 Contact bounce test circuit.18 Figure 2 Typical trace of contact bounce19 Figure 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 Tab
32、le 3 Methods proposed for corrosion tests46 Table 4 Solderability, Bath method: Test severities (duration and temperature) .50 61020-1 IEC:2009 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTROMECHANICAL SWITCHES FOR USE IN ELECTRICAL AND ELECTRONIC EQUIPMENT Part 1: Generic specification FOREWO
33、RD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the elect
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42、ormative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held re
43、sponsible for identifying any or all such patent rights. International Standard IEC 61020-1 has been prepared by subcommittee 23J: Switches for appliances, of IEC technical committee 23: Electrical accessories. This second edition cancels and replaces the first edition published in 1991. This second
44、 edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition. a) The requirements of the IEC 60512 series of standards have been integrated in this second edition of IEC 61020-1. In particular the test methods, term
45、inology, symbols and other necessary information concerning switches as specified in IEC 60512 have been implemented in this standard. b) Additionally, the following items have been updated with respect to the first edition: test methods were reviewed for detailed description; 6 61020-1 IEC:2009 the
46、 explanation for the test method of the operating force was rewritten in more detail; the test voltage for measurement for contact bounce was reviewed; the electrical endurance “ON” duration in the duty cycle was harmonized with IEC 61058; the requirements for fire hazards have been deleted; testing
47、 methods of surface mounting switches based on the Japanese industrial standard were added. The text of this standard is based on the following documents: FDIS Report on voting 23J/325/FDIS 23J/328/RVDFull information on the voting for the approval of this standard can be found in the report on voti
48、ng indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in
49、 the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 61020-1 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
