IS/IEC 61058-1 (2000): Switches for appliances, Part 1: General

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“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS/IEC 61058-1 (2000): Switches for appliances, Part 1:
General requirements [ETD 14: Electrical Wiring
Accessories]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

IS/iEG61058-1 : 2000

Indian Standard
SWITCHES FOR APPUANCES
PART 1 GENERAL REQUIREMENTS
',
res
29.120.40
..... .,
©BIS 2008
BUREAU OF INDIAN STANDARDS

MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
July 2008 Price Rs 1210.00
IS/lEe 61058-1 :2000
17 Endurance . 74
17.1 General requirements .. 74
17.2 Electrical endurance tests . 78
18 Mechanical strength. .. . 86
19 Screws, current-carrying parts and connections ....... 88
191 General requirements for electrical connections . 88
19.2 Screwedconnections . 88
19.3 Current-carrying parts . 91
20 Clearances, creepage distances, solrd insulation andcoatings of rigid
prmted ~oald assemblies ...... 92
20.1 Clearances 92
20.2 Creepage distances 95
20.3 Solidinsulation , , , "" . 98
20.4 Coatings of flgld printed board assemblies 98
21 Resistance to heat andfire . . .. . . . 99
22 Resistancetorusting 100
23 Abnormal operation andfault conditions for electronic switches 101
24 Components 105
24 i Protective devices 106
242 Capacitors. 108
2~.3 Resistors 109
25 EMC requirements. ·109
25.1 Immunity 110
25.2 Emission .. 112
Annex A(normative) Measurement of clearances and creepage distances 129
Annex B(Informative) Diagram for the dimensioning of clearances and
creepage distances.. 134
Annex C(normative) Glow-wrre test. 135
Annex D(normative) Proof tracking test 136
Annex E(normative) BaH-pressuretest. 137
Annex F(informative) Switch application gUide '138
Annex G(informative) Schematic diagram offamilies ofterminais 140
Annex H (informative) Flat quick-connectterminations, method for selection
offemale connectors 141
Annex J (informative) Selection and sequence oftests of clause 21. 142
Annex K(normative) Relation between rated impulse Withstandvoltage,
rated voltage and overvoltage category............. 143
Annex L(normative) Pollution degree. 144
Annex M(normative) Impulse voltage test. . 145
Annex N(normative) Altitude correction factors.... 146
Annex P (normative) Types of coalings for rigid printed board assemblies 147
Annex Q (normative) Measuring the insulation distance of a coated printed board
with typa A coating. .. ... ..... . 148
Annex R (normative) Routine tests 149
Annex S (informative) Sampling test, ..... . .. , 150
AnnexT (informative) Switch fam1!les '"'''' ..,.. " ". 152

It
ISIlEC 61058-1 : 2000
Figure 1- Examples of pillarterminals•.•.••.•.••.•.•••.•.••....••.•••......••........••..•.••••..••...••..•••••...•.•114
FIgure 2- Examplesof screwterminals andstudterminals 115
Figure 3- Examplesof saddle terminals 116
Figure 4- Examples oflugterminals 116
Figure 5- Examples of manllelerminals : 117
Figure 6 - Examples of screwlessterminals 118
Figure7 - Tabs of nat qulek-cennectterminations 119
Figure B- Female (test) connector ofnat quick-connecttermination 120
Figure 9a- Circuitfor capacitive loadtest andsimulatedlUn9sten filamentlamp
load test for a.c.clrcults , 121
Figure 9b - Circuit for capacitive load test andsimulatedlampload lestfor d.c.circuits 121
Figure 10- Values of the capacitive load test circuitfor tesl
ofswitchesrated 101100A 250 V- 122
Figure 11- Mountingdevice f9r theimpacttest.. l23
Figure.12- Ball pressure apparatus 124
Figure 13- Test pin 124
Figure 14:.Continuous duty- Duty type51 125
Figure 15- Short-timeduty- Dutytype 52 : 126
Figure 16-Intermittentperiodic dUty- Duty-type53 127
Figure 17- Diagram for short-clrcuittest. 127
Figure 18- Diagram for heatingtest... : 128
Figure 19- Diagram for endurance test. 128
a.l-
Figure Measurementof the Insulationdistance 148
Table 1- Test specimens : 20
Table 2- Type and conneclion ofswitches 30
Table 3- 5wllchinformation 38
Table 4- Resistive currentcarried bythe lerminaland related cross-sectional areas
ofterminals for unpreparedconductors : 51
Table 5- Maximum diametersof circularcopper conductors 52
Table 6- Pulling forces for screw-typeterminals 53
Table 7- Malerial and plating for tabs fiT
Table 8- Push and pull forces for tabs , 57
Table 9- Test conditionsfor Ta 59
Table 10- Test conditionsfor Tb : : 60
Table 11- Minimum insulation resIstance 66
Table 12- Dielectric strength 67
Table 13- Permissible maximum temperatures 72
Table 14- Temperatures for thermoselting materials usedfor electronicswltches 74
Table 15- Electricalendurance tests for the differenttypes of electronicswitches
wilh orwithout eleclrlcal conlact(s) 76

iii
IS/lEe 61058-1 : 2000
Table 16- Test loads for multiwayswitches . . 78
Table 17- Test loads for electrical endurance tests for ac. circuits. 80
Table 18- Test loads for electrical endurance tests for d.c. circuits. ... 81
Table 19- Minimum values of pull force... . . .. . .. . . 87
Table 20- Torquevalues..... .. .. . . 89
Table 21- Torque values for screwed glands . 90
Table 22- Minimum clearances for basic insulation 94
Table 23- Minimum creepage distances for basic insulation . 96
Table 24- Minimum creepage distances for functional insulation ..... 97
Table 25- Test levels andconditions. gg
Table 26- Conventional fusing current versus rated current 103
Table 27- Requirements for capacitors 109
Table 28- Test levels andduration for voltage dips and short interruptions 110
Table 29 - Fasttransientbursts.. . 111
Table H,1- Insertionandwithdrawalforcesforflatqi.rck-cor-iect terminations 141
Table K 1- Rated impulse withstand voltage for switches energized directly
from the low voltage mains 143
Table M.1 --Test voltages for venfy:ng clearances atsea level. 145
Table N.1- Altitudecorrection factors 146

IV
IS/lEe 61058-1 :2000
The technical committee has reviewed the provisions of the following International Standards referred
in this adopted standard and has decided that they are acceptable for use in conjunction with
this standard:
InternationalStandard Title
IEC 60228A: 1982 Conductors of insulated cables - First supplement: Guide to the
dimensional limits of circularconductors
IEC 60269-3-1 : 1994 Low-voltage fuses - Part 3-1: Supplementary requirements for fuses for
use by unskilled persons (fuses mainly for household and similar
applications) - Sections Ito IV
IEC 60417-1 : 1998 Graphical symbols for use on equipment - Part 1: Overview and
application
IEC 60695-2-1 (all sheets) Fire hazard testing - Part 2-1:Testmethods
IEC 60707 : 1999 Flammability of solid non-metallic materials when expcsed to flame
sources - List of methods
IEC 60730 (all parts) Automatic electrical controls for household and similar use
IEC 60730-1 : 1999 Automatic electrical controls for household and similar use - Part 1:
General requirements
IEC 60730-2-9 :2000 Automatic electrical controls for household and similar use - Part 2-9:
Particularrequirements fortemperature sensing controls
IEC 60760 : 1989 Flat, quick-connect terminations
IEC 60893-1 : 1987 Specification for Industrial rigid laminated sheets based on thermosetting
resinsforelectricalpurposes- Part1:Definitions,designationsandgeneral
requirements
IEC 60998-2-3: 1991 Connecting devices for low-voltage circuits for household and similar
purposes - Part 2-3: Particular requirements forconnecting devices as
separate entities with insulation piercing clamping units
IEcrrR2 61000-3-5 : 1994 Electromagnetic compatibility (EMC) - Part 3: Limits - Section 5:
Limitation of voltage fluctuations and flicker in low-voltage power supply
systems for equipment with rated current greater than 16A
IEC 61000-4-3: 1995 Electromagnetic compatibility (EMC)- Part 4:Testingand measurement
techniques- Ssctiorr3 :Radiated, radio-frequency, electromagnetic field
immunity test
IEC 61000-4-6: 1996 Electromagneticcompatibility (EMC) - Part 4:Testingand measurement
techniques- Section 6:Immunity to conducteddisturbances, induced by
radio-frequency fields
IEC 61032 : 1997 Protection of persons and equipment by enclosures - Probes for
verification
IEC 61058-2-1 :2000 Switches for appliances - Part 2-1: Particular requirements for cord
switches
IEC 61058-2-4 :2000 Switches for appliances - Part 2-4: Particular requirements for
independentlym ounted switches
ISO 4046 : 1978 Paper, board, pulp and related terms - Vocabulary
ix
ISIIEC61058·1 :2QOO
ElectricalWiring Accessories Sectional Committee, ETD 14
NATIONAL FOREWORD
This Indian Standard (Part 1) which is identical with IEC61058-1 :2000 'Switchesfor appliances
Part 1: General\requirements' incorporating Amendment No.1 publlshed in 2001, issued by the
International ElectrotechnicalCommission (IEC)wasadoptedbytheBureauofIndianStandardsonthe
recommendation of the Electrical Wiring Accessories Sectional Commillee and approval of the
Electrotechnical DivisionCouncil.
The text of IECStandard has been approved as suitablefor publicationas anIndianStandardwithout
deviations. Certain conventionsare,however,notidenticaltothoseusedin IndianStandards. Attention
is particularlydrawntothe following:
a) Wherever thewords 'International Standard'appear referringto thisstandard,theyshould
be readas'Indian Standard'.
b) Comma(,)hasbeenusedasadecimalmarkerwhileinIndianStandards,thecurrentpractice
isto use apoint (.) asthedecimalmarker.
Inthisadoptedstandard,referenceappearstocertainInternationalStandardsforwhichIndianStandards
alsoexist.Thecorresponding IndianStandardswhicharetobesubstitutedintheirrespectiveplacesare
listed below along with theirdegreeof equivalencefortheeditionsindicated:
International Standard . Corresponding Indian Standard Degree of
Equivalence
IEC 60034-1 : 1996 Rotating IS 4722 : 2001 Rotating electrical Technically
electrical machines - Part 1: machines- Specification(secondrevision) Equivalent
Rating and performance
IEC 60038 : 1983 IEC standard IS 12360 : 1988 Voltage bands for do
voltages electrical installations including preferred
voltages andfrequency
IEC 60050 (151) : 1978 IS 1865 (Part 74) : 1993 Electrotechnical Identical
International Electrotechnical vocabulary:Part74Electricalandmagnetic
Vocabulary (lEV) - Chapter devices
151: Electrical and magnetic
devices
IEC 60050 (411) : 1973 IS 1865 (Part 35) : 1993 Electrotechnical Technically
International Electrotechnical vocabulary: Part 35 Rotating machines .Equivalent
Vocabulary (lEV) - Chapter (first revision)
411: Rotating machinery
IEC 60050 (441) : 1984 IS 1865 (Part 17): 1979 Electrotechnical do
International Electrotechnical vocabulary: Part 17 Switchgear and
Vocabulary (lEV) - Chapter controlgear (first revision)

441:Switchgear,controlgearand
fuses
v
IS/lEe 61.058·1 :2000
Internalional Standard Corresponding Indian Siandard Degree of
Equivalence
IEC 60050 (826) : 1982 IS 732 : 1989 Code of practice for Technically
International Electrotechnical electricalwiringinstallations Equivalent
Vocabulary(lEV)- Chapter826:
Electrical installations of
buildings
IEC60060-1:1989High-voltage IS 2071 (Part 1) : 1993 High-voltage test Identical
techniques - Part 1: Genera! techniques:Part1Generaldefinitionsand
definitionsandtestrequirements testrequirements(secondrevision)
IEC 60068-2-20 1979 IS9000(PartXVIII/Sec1to3):1981Basic Technically
Environmental testing- Part 2 environmental testing procedures for Equivalent
20:Tests- TestT :Soldering electronic and electrical items: Part XVIII
Solderability test
IEC 60068-2-75 1997 IS 9000 (Part 7/Sec 7) : 2006 Basic Identical
Environmental testing - Part2 environmental testmg procedures lor
75:Tests - Test Eh : Hammer electronic and electrical items: Part 7
tests Impact test, Section 7 Test Eh Hammer
tests
IEC 60085 . 1984 Thermal IS 1271 : 1985 Thermal evaluation and Technical!y
evaluation and classification of classification of electrical insulation (firsl Equtvalent
electricalInsulation revision)
IEC 60112 . 1979 Method tor IS2824:1975Methodfordeterminingthe .do
determiningthecomparativeand comparative tracking index of solid
theprooftrackingindicesofsolid inSUlatingmaterialsimdermoistconditions
insulating materials under moist (first revision)
conditions
IEC 60127-2 : 1989 Miniature IS/IEC 60127 (Part 2) : 1989 Miniature Identical
fuses - Part 2:Cartridge, fuse fuses: Part 2 Cartridge fuse links
links Specification
IEC60228 : 1978 Conductorsof IS 8130 : 1984 Conductors for insulated Technically
insulatedcables electric cables and flexible cords (first Equivalent
revision)
IEC60269-1:1986'1Low-VOltage IS 13703 (Part 1) : 1993 LV Fuses for Identical
fuses - Part 1: General voltages not exceeding 1 000 V ac or
requirements 1500V de:Part1General requirements
IEC 60335-1 : 1991 Safety of IS302 (Part 1):1979Safetyofhousehold Technically
household and similar electrical and similar electrical appliances: Part 1 Equivalent
appliances - Part 1: General Generalrequirements
requirements

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'1Sincerevisedin1998.
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