SP 51: Guide for requirement and testing of electric stove

40 Pages·1991·3.9 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
Disclosure to Promote the Right To Information
Whereas the Parliament of India has set out to provide a practical regime of right to
information for citizens to secure access to information under the control of public authorities,
in order to promote transparency and accountability in the working of every public authority,
and whereas the attached publication of the Bureau of Indian Standards is of particular interest
to the public, particularly disadvantaged communities and those engaged in the pursuit of
education and knowledge, the attached public safety standard is made available to promote the
timely dissemination of this information in an accurate manner to the public.
“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”
SP 51 (1991): Guide for requirement and testing of electric
stove [ETD 32: Electrical Appliances]
“!ा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”

SP 51:1991
Indian Standard
GUIDE FOR REQUIREMENTS

AND TESTING OF ELECTRIC STOVES
UDC 683’975 ( 026 )
0 BIS 1991
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
yluJ 1991 Price Group 11
CONTENTS
PAGE
FOREWORD . . . . . . . . . 1
1 SCOPE . . . . . . . . . 2
2 TERMINOLOGY . . . . . . . . . 2
3 GENERALR EQUIREMENT . . . . . i . . . 5
4 GENERALN OTES ON TESTS . . . ..* . . . 5
5 RATING . . . . . . ..* 5
6 MARKING . . . . . . . . . 5
7 PROTECTIONA GAINSTE LECTRICS HOCK . . . . . . . . . 6
8 INPUT AND CURRENT . . . . . . . . . 7
-9 TEMPERATURE-RISE . . . . . . . . . 7
10 OPERATIONU NDER OVERLOADC ONDITIONS . . . . . . . . 8
11 ELECTRICALIN SULATIONA ND LEAKAGEC URRENT AT OPERATINGT EMPERATURE 8
12 MOISTURER ESISTANCE . . . . . . . . . 9
13 INSULATIONR ESISTANCEA ND ELECTRICS TRENGTH( AFTER HUMIDITYT REATMENT) 10
14 ENDURANCE . . . . . . . . . 10
15 ABNORMALO PERATION . . . . . . . 11
16 STABILITYA ND MECHANICALH AZARDS . . . . . . I.. 11
17 MECHANICALS TRENGTH . . . . . . . . . II
18 CONSTRUCTION . . . . . . . . 13
19 INTERNALW IRING . . . . . . . . . 14
20 COMPONENTS . . . . . . . . . 15
21 SUPPLYC ONNECTIONAS ND EXTERNALF LEXIBLEC ABLEA ND CORD . . . 15
22 TERMINALSF OR EXTERNALC ONDUCTORS . . . . . . . . . 17
23 PROVISIONF OR EARTHING . . . . . . . . . 19
24 SCREWSA ND CONNECTIONS . . . . . . . . . 20
25 CREEPAGED ISTANCESA ND CLEARANCES . . . . . . . . 21
26 RESISTANCETO HEAT, FIRE AND TRACKING . . . . . . . . . 21
27 RESISTANCET O RUSTING . . . . . . . . . 23
28 FINISH . . . . . . . . . 24
29 THERMALE FFICIENCY . . . . . . . . . 24
ANNEXES
ANNEX A CATEGORIESO F TESTS . . . . . . . . . 25
ANNEX B LIST OF TEST EQUIPMENTF OR ELECTRICS TOVES . . . . . . 26
ANNEX C MEASUREMENTO F TEMPERATURE . . . . . . . . . 27
ANNEX D IMPACTT EST APPARATUS . . . . . . . . . 28
ANNEX E THERMALC ONTROLSA ND OVERLOADR ELEASES . . . . . . 28
ANNEX F MEASUREMENTO F CREEPAGED ISTANCESA ND CLEARANCES . . . 29
ANNEX G TEST FOR FIRE-RESISTINGPR OPERTIES . . . . . . *.. 31
ANNEX H SAMPLINGP ROCEDUREF OR ACCEPTANCET ESTS . . . . . . 33
ISBN 81-7061-036-2
PS :15 1991
GUIDEFORREQUIREMENTS
ANDTESTINGOFELECTRICSTOVES
FOREWORD
yltneserP the lareneg stnemeriuqer dna detaler lc ehT ylppusrewop cord yam eb attached ot the
sdohtem of tests of lacirtcele secnailppa are derevoc ni cirtcele sevots ni hcus a yaw that sti -ecalper
SI 302 : 1979 lareneG‘ dna ytefas stnemeriuqer for tnem si elbissop htiw yna or laiceps dael
dlohesuoh dna ralimis lacirtcele secnailppa ( fifth )elbac( tuohtiw the esu of laiceps .sloot hcuS
revision)’ elihw laudividni secnailppa are derevoc ni ,stnemhcatta deifissalc as epyT X or epyT M,
seires of sdradnats hcihw ekam ecnerefer ot SI 302 : are deredisnoc ni siht .ediug
1979, as .elbacilppa ehT llams elacs yrtsudni has
expressed the need for a evisneherpmoc laiceps -ucod ylevitanretlA the cirtcele evots yam eb
tnem ot revoc lla sliated ni eno ,noitacilbup neve at the dedivorp htiw na ecnailppa telni for -mocca
cost of ,noititeper for ralucitrap secnailppa hcus as gnitadom ylppus dael .rotcennoc
cirtcele ,snori cirtcele noisremmi water heaters, -cele
cirt sevots dna cirtcele srotaidar so as ot etatilicaf ysae ehT gniwollof naidnI sdradnatS evah neeb nekat otni
secnerefer for esu of naidnI sdradnatS at the shop roolf noitaredisnoc elihw gniraperp siht ediug :
.level sihT laiceps noitacilbup si prepared ot teem siht
dnamed dna srevoc cirtcele sevots dengised for -noc SI 302 : 1979 lareneG dna ytefas stnemeriuqer
noitcen ot elgnis phase ylppus egatlov pu ot 250 V ac for dlohesuoh dna ralimis -irtcele
or dc. lac secnailppa (fifth revision )
ehT stnemeriuqer of yllacirtcele heated sevots are SI 2994 : 1986 noitacificepS for cirtcele sevots
derevoc ni SI 2994 : 1986 cirtcelE‘ sevots ( rr.rif (first revision )
revision )‘. nI case of yna snoitaived neewteb the
stnemeriuqer of siht ediug dna those deificeps ni erehweslE ni siht ,ediug the ecnerefer ot the gniwollof
SI :4992 1986, the snoisivorp ofthe rettal llahs .liaverp naidnI sdradnatS has neeb edam dna these yam eb desu
for deliated noitamrofni :
ehT gniwollof snoitpmuserp evah neeb edam ni siht
ediug : SI 513 : 1986 dloC dellor wol nobrac sheet dna
spirts ( third revision )
a) yllacirtcelE heated sevots are delbmessa
morf : SI 722 yticirtceleCA sretem : Part 8 -elgniS
(Part 8) : 1972 phase eriw-2 elohw tnerruc -ttaw
9 open heating element(s) - edam morf ruoh sretem ssalc( 1.0)
ecnatsiser gnitaeh eriw decalp ni -ecrop
nial devoorg setalp dna two sdne -imret SI 1248 tceriD gnitca gnitacidni eugolana
slan for ,noitcennoc (Part 1) : 1983 lacirtcele gnirusaem tnemurtsni dna
rieht seirossecca : Part 1 lareneG
)ii body - edam of latem or elbatingi-non
stnemeriuqer
lairetam gnivah noisivorp for gnixif -taeh
gni etalp dna boh for gnicalp lessev for SI 1248 tceriD gnitca gnitacidni eugolana
gnitaeh ,esoprup (Part 2) : 1983 lacirtcele gnirusaem tnemurtsni dna
rieht seirossecca : Part 2 sretemmA
)iii safety guard - edam morf eriw ot tneverp
dna sretemtlov
latnedicca tcatnoc htiw gniwolg gnitaeh
tnemele dna evil parts, SI 1248 tceriD gnitca gnitacidni eugolana
)vi three cores hguot rebbur sheathed elbac (Part 3) : 1983 lacirtcele gnirusaem tnemurtsni dna
dnarotcennocecnailppatuohtiwrohtiw a rieht seirossecca : Part 3 sretemttaW
dna sretemrav
three nip gulp for noitcennoc ot ,ylppus
dna
SI 1293 : 1988 sgulP dna sockets steltuo of 250 V
IV ,yllanoitpo sevots yam eb dengised ot dna rated tnerruc 16 serepma
edivorp noitcetorp tsniaga lamronba
SI 1401 : 1970 ytilibisseccA tests seborp ( first
noitarepo yb esu of lamreht ,tuo-tuc
revision )
erutarepmet retimil or .tatsomreht
SI 2053 : 1974 elpuocomrehT sretemoryp ( first
b) ehT cirtcele sevots evah latem parts separated
revision )
morf evil parts yb cisab noitalusni hcihw are
exposed ot the hcuot yb the .resu hcuS -noc SI 3010 ecnailppA ,srotcennoc ecnailppa
noitcurts si deifissalc as ssalC I dna ti llahs C6Y 1 & 2) : stelni elbisrever-noN( nip-eerht
evah noisivorp for .gnihtrae )epyt

1
SP51: 1991
SI 3389 : 1965 aerU edyhedlamrof gnidluom SI 9968 remotsalE detalusni :selbac Part 1
slairetam (Part 1) : 1988 roF gnikrow segatlov pu ot dna -ni
gnidulc 1 100 V
SI 3722 : 1966 ecnatsiseR ,eriw tapes dna spirts for roF the esoprup of gnidiced whether a ralucitrap
gnitaeh stnemele tnemeriuqer of siht ediug si deilpmoc ,htiw the lanif
,eulav devresbo or ,detaluclac gnisserpxe the tluser of
a test, llahs eb dednuor off ni ecnadrocca htiw SI 2 :
SI 3854 : 1988 sehctiwS for citsemod dna ralimis
1960 seluR‘ for gnidnuor off laciremun seulav
sesoprup
desiver( )‘. ehT rebmun of tnacifingis secalp deniater
ni the dednuor off eulav dluohs eb the emas as that of
SI 4905 : 1968 Methods for modnar gnilpmas the deificeps eulav ni siht .dradnats
1 SCOPE 2 When deducing the working voltage, the effect of possible
transient voltages on the supply mains is ignored.
1.1 sihT ediug srevoc the ytefas,lareneg and -mrofrep
ecna stnemeriuqer as llew as serudecorp ot tcudnoc 2.6 Rated tupnI
tests no ac or dc. elgnis phase elbatrop epyt cirtcele ehT tupni rednu snoitidnoc of etauqeda heat egrahcsid
sevots rated pu ot 250 V dna dednetni for gnitaeh lamronrednuro daol dna at lamron -arepmetgnitarepo
sdiuqil or gnikooc food. sihT ediug seilppa ot ssalC I ,erut dengissa ot the ecnailppa yb the .rerutcafunam
secnailppa htiw rehtie ylppus dael tnemhcatta of epyT
X or epyT M or na ecnailppa .telni 2.7 Rated ycneuqerF
NOTE - For proper understanding, wherever in this guide the ehT ycneuqerf dengissa ot the ecnailppa yb the -unam
word ‘appliance’ appears, it means an ‘electric stove’. .rerutcaf
1.2 sihT ediug does ton revoc the cirtcele hot setalp
dna itlum tinu epyt cirtcele sevots gnivah erom naht 2.8 elbahcateD elbixelF elbaC or Cord
eno gnitaeh .tinu
A elbixelf elbac or cord, for ylppus or other ,sesoprup
dednetni ot eb detcennoc ot the ecnailppa yb snaem of
2 YGOLONIMRET
a elbatius ecnailppa .relpuoc
2.0 roF the esoprup of siht ,ediug the gniwollof -ifed
2.9 Powqr ylppuS Cord
snoitin llahs .ylppa erehW the smret egatlov dna -ruc
tner are ,desu yeht ylpmi the smr ,seulav sselnu -rehto A elbixelf elbac or cord, for ylppus ,sesoprup dexif to,
esiw .deificeps or delbmessa htiw the ecnailppa gnidrocca ot eno of
the gniwollof :sdohtem
2.1 cirtcelE evotS
a) epyT X tnemhcatta hcihw setoned a dohtem of
nA cirtcele ecnailppa gniniatnoc nepo epyt gnitaeh tnemhcatta hcus that the elbixelf elbac or cord
,tnemele dengised ot ,etadommocca no sti reppu -rus nac ylisae eb ,decalper tuohtiw the dia of
face, a lessev for gnitaeh sdiuqil or gnikooc food. laiceps ,sloot yb a elbixelf elbac or
purpose
cord ton gniriuqer yna laiceps ..noitaraperp
2.2 ytefaS drauG
b) epyT M tnemhcatta hcihw setoned a dohtem
sI a part hcihw stneverp latnedicca tcatnoc htiw evil of tnemhcatta hcus that the elbixelf elbac or
parts or gnivom parts of na .ecnailppa cord nac ylisae eb ,decalper tuohtiw the dia of
laiceps esoprup ,sloot yb a laiceps elbac or
2.3 ,Rated egatloV
cord ,htiw for ,elpmaxe a no-dedluom cord
draug or depmirc .snoitanimret
ehT egatlov (for esahp-eerht ,ylppus the egatlov -eb
neewt phases) dengissa ot the ecnailppa yb the -unam
2.10 ylppuS Leads
.rerutcaf
tesA seriwfo detcelmoc ot the ecnailppa ni the ,yrotcaf
2.4 Rated egatloV egnaR dednetni for the noitcennoc ot dexif gniriw dna -mocca
detadom ni a laiceps noitcnuj xob or tnemtrapmoc
ehT egatlov egnar dengissa ot the ecnailppa yb the
,nihtiw or attached ot the .ecnailppa
,rerutcafunam expressed yb sti rewol dna reppu .stimil
2.11 cisaB noitalusnI
2.5 gnikroW egatloV
nA noitalusni deilppa ot evil parts ot edivorp cisab
ehT mumixam egatlov ot hcihw the part rednu -disnoc noitcetorp tsniaga cirtcele shock.
noitare nac eb detcejbus nehw the ecnailppa si -tarepo
gni at sti rated egatlov dna rednu lamron snoitidnoc of NOTES
.esu 1 Basic insulation does not necessarily include insulation used
exclusively for functional purposes.
NOTES
2 The insulating properties of lacquer, enamel, ordinary paper,
1 Normal conditions of use include changes of voltage within cotton, oxide filth on metal parts. beads and sealing compound
the appliance imposed by likely occurrences such as the opera- shall not be relied upon lo give the required protection against
tion of a circuit-breaker or rhe failure of a lamp. accidental contact with live parts.
2
F
SP51* . 1991
2.12 Supplementary Insulation 2.19 Continuous Operation
nA tnednepedni noitalusni deilppa ni noitidda ot the noitarepO rednu lamron daol or rednu etauqeda heat
cisab ,noitalusni ni order ot erusne noitcetorp tsniaga egrahcsid for na detimilnu .doirep
cirtcclr shock ni tneve of a eruliaf of the cisab
.noitalusni 2.20 Conditions of Adequate Heat Discharge
ehT noitidnoc of etauqeda heat cgrahrsid etoned that
2.13 Class I Appliance the cirtcele evots si operated rednu the gniwollof
nA ecnailppa ni hcihw noitcetorp tsniaga cirtcele noitidnoc :
shock does ton yler no cisab noitalusni ,ylno tub hcihw
A nap llahs eb denoitisop yllartnec revo the gnitaeh
sedulcni na lanoitidda ytefas noituacerp ni that -secca
ecafrus dna ti llahs evah tneiciffus area ot revoc the
elbis evitcudnoc parts arc detcelmoc ot the evitcetorp
gnitaeh .ecafrus ehT snoisnemid of the nap llahs ton
gnihtrae rotcudnoc ni the dexif gniriw of the -allatsni
exceed the snoisnemid of the gnitaeh ecafrus yb erom
,noit ni hcus a yaw that elbissecca evitcudnoc parts
01.Llaht .mm ehT nap llahs eb of ,lamron ton ylthgirb
tolmac emoceb evil ni the tneve of a eruliaf ofthe cisab
dehsilop ,muinimula the mottob ecafrus gnieb talf ot
.noitalusni
nihtiw 0.05 .mm
SFTON ehT yticapac of the nap llahs eb 3.0 scrtil per ttawolik
gnitar dna ti llahs niatnoc 1.5 sertil per ttawolik of
1 ssalC I secnailppa yam evah strap htiw elbuod noitalusni ro
yllaitini dloc water, noitaropave sessol gnieb edam pu
decrofnier ,noitalusni ro strap gnitarepo ta ytefas wol-artxe
as .yrassecen ehT test lessev dluohs eb derevoc yb a
.egatlov
llew gnittif .dil
2 roF secnailppa dednetni rof esu htiw a elbixelf droc or .elbac
siht noisivorp sedulcni a evitcetorp rotcudnoc sa trap fo eht
elbixelf droc ro .elbac 2.21 Non-Detachable Part
A part hcihw nac ylno cb dcvomcr htiw the dia of a
2.14 Low Voltage .loot
A egatlov ton gnideecxe 250 V rednu lamron -idnoc
2.22 Detachable Part
.snoit
A part hcihw nac eb devomer tuohtiw the dia of a ,loot
2.15 Medium Voltage except deificeps esiwrehto ni the text.
A egatlov gnideecxe 250 V tub ton gnideecxe 650 V 2.23 Therm&tat
rednu lamron .snoitidnoc
A gnisnes-erutarepmet ,ecived the gnitarepo -arcpmet
erut of hcihw yam eb rehtie dexif or elbatsujda dna
2.16 Safety Extra-Low Voltage
,hcihw gnirud lamron ,noitarepo keeps the -arepmet
erut of na ,ecnailppa or of parts of ,ti neewteb niatrec
A lanimon egatlov ton gnideecxe 32 V neewteb -noc
stimil yb yllacitamotua gninepo dna gnisolc a .tiucric
srotcud dn’a neewteb conductors dna earth or, for -ecrht
phase ,ylppus ton gnideecxe 18.5 V neewteb -cudnoc
tors dna ,lartuen the daol-on egatlov ton gnideecxe 38 2.24 Temperature Limiter
V dna ,V-22 .ylevitcepser A gnisnes-erutarepmet ,ecived the gnitarepo -arepmet
erut of hcihw yam eb rehtie dexif or elbatsujda dna
SETON ,hcihw gnirud lamron ,noitarepo operates yb gninepo
or gnisolc a tiucric nehw the erutarepmet of na -ilppa
1 nehW ytefas wol-artxe egatlov si deniatbo morf eht ylppus
,ecna or of parts of ,ti reaches a denilmetedcrp .eulav
,sniam ti tsum eb hguorht a ytefas gnitalosi remrofsnart ro a
rotrevnoc htiw etarapes .sgnidniw
ETON - II smd ton ekam eht esrever noitarepo gnirud eht
2 ehT egatlov stimil deificeps era desab no eht noitpmussa taht lamron ytud elcyc fo eht .ecnailppa It yam ro yam ton eriuqer‘
eht ytefas gnitalosi remrofsnart si detarepo ta sti detar ylppus launam .gnitteser
.egatlov
2.25 Thermal Cul*Out
2.17 Safety Isolating Transformer A ecived ,hcihw lamronbagnirud ,noitarepo stimil the
erutarepmet of na ,ecnailppa or of parts of ,ti yb
A ,remrofsnart the tupni gnidniw of hcihw si -irtcele yllacitamotua gninepo the tiucric or yb gnicuder the
yllac separated morf the tuptuo sgnidniw yb na -alusni
,tnerruc dna hcihw si so detcurtsnoc that sti gnittes
noit at tsael tnelaviuqe ot elbuod noitalusni or -nicr
tonnac cb deretla yb the .resu
forced ;noitalusni dna hcihw si dengised ot ylppus a
noitubirtsid ,tiucric na ecnailppa or other tnempiuqe at 2.26 Non-Self Resetting Thermal Cut-Out
ytefas wol-artxe .egatlov
A lamreht tuo-tuc hcihw seriuqer gnitteser yb ,dnah or
2.18 Portable Appliance tnemecalper of a part, ni order ot restore the .tnerruc
rehtiE na ecnailppa hcihw si devom elihw ni noitarepo 2.27 Tool
or na ecnailppa hcihw nac ylisae cb devom morf eno
A ,revirdwercs a nioc or yna other tcejbo hcihw yam
ecalp ot rehtona elihw detcennoc ot the .ylppus
eb desu ot operate a screw or ralimis gnixif .snaem

3
SP51: 1991
2.32 ydoB
2.28 Creepage Distance
The shortest path neewteb two evitcudnoc parts, or ehT mret sedulcni lla elbissecca latem parts, spirg
neewteb a evitcudnoc part dna the gnidnuob ecafrus dna the ekil dna latem liof ni tcatnoc htiw lla -secca
of the ,ecnailppa derusaem gnola the ecafrus of the elbis secafrus of gnitalusni ;lairetam ti does ton edulcni
gnitalusni .lairetam elbisseccani latem parts.
2.29 Clearance 2.33 Steady State Condition
The shortest ecnatsid neewteb two evitcudnoc parts, or ehT ydaets state noitidnoc si deredisnoc ot evah
neewteb a evitcudnoc part dna the gnidnuob ecafrus of neeb reached nehw the ecnereffid neewteb two
the ,ecnailppa derusaem hguorht .ria evitucesnoc sgnidaer of esir-erutarepmet revo the
tanekattneibma naflah lavretniruoh dedeecxetonsah
NOTE - The bounding surface of the appliance is the outer 1oc.
surface of the enclosure, considered as though metal foil were
pressed into contact with accessible surfaces of insulating
material. 2.34 Type Tests
2.30 All-Pole Disconnection stseT deirrac tuo ot evorp ytimrofnoc htiw the -er
stnemeriuq of the .dradnats esehT are dednetni ot
roF esahp-elgnis ac secnailppa dna for dc ,secnailppa evorp the lareneg seitilauq dna ngised of a nevig epyt
noitcennocsid of htob ylppus srotcudnoc yb a elgnis
of .ecnailppa
gnihctiws noitca or, for secnailppa ot eb detcennoc ot
erom naht two ylppus ,srotcudnoc noitcennocsid of lla 2.35 Acceptance Test
ylppus ,srotcudnoc except the earthed )dednuorg(
,rotcudnoc yb a elgnis gnihctiws .noitca stseT deirrac tuo no selpmas nekat morf a tol for the
esoprup of ecnatpecca of the .tol
NOTE - The protective earthing conductor is not considered to
be a supply conductor. 2.36 Routine Test
2.31 Accessible Parts or Accessible Surface stseT deirrac tuo no each meti ot check the -nesse
lait stnemeriuqer hcihw are ylekil ot yrav gnirud
A live part or n live ecafrus hcihw nac eb dehcuot yb
.noitcudorp
snaem of the dradnats test nwohsregnif ni .giF 1.
Both joints of this finger may he hcnt through an angle oi NO. hut one and the same direction only.
:
Tolerances
On angles : + 5”
: ser.I IIMII 57 INIM : t_ 0 5,(.o
On linear dimensions
:
Over 25 mm : + 0.2
All dimensions in millimetrea.
.GIF 1 S WIADNAI- TESTF INCXK

4
SP 51: 1991
2.37 Visible Glowing Heating Element si ton elbissecca tuohtiw eht dia fo a ,loot eht snoisivorp ylppa
ylno fi eht gnittes nac eb deretla yb .dnah
A gnitaeh tnemele ,hcihw nehw the ecnailppa si -sa
2 etauqedA gnilaes si dedrager sa gnitneverp noitaretla fo eht
delbmes ydaer for ,esu si yltrap or yletelpmoc elbisiv
gnittes yb eht .resu
morf the edistuo of the ,ecnailppa dna the erutarepmet
of hcihw si at tsael 65OOC after the ecnailppa has neeb
4.8 Measuring Instruments
operated ni ecnadrocca htiw snoitidnoc of etauqeda
heat egrahcsid litnu ydaets snoitidnoc evah neeb -batse The tnemerusaem of egatlov dna power llahs eb -rac
,dehsil the ylppus egatlov gnieb hcus that the tupni si deir tuo htiw hcus stnemurtsni hcihw do ton -meht
lauqe ot the muminim rated .tupni sevles ylbaicerppa affect the seulav ot eb .derusaem
ehT sretem llahs evah na ycarucca of ssalC I deificeps
ETON - sihT noitinifed si ylniam dednetni rof gnitset htiw tset ni SI 1248 (Part 1) : 1983.
seborp gnidrager ytilibissecca fo evil .strap
4.9 A tsil of test tnempiuqe dedeen for gnitcudnoc
2.38 Hob tests si nevig ni xennA .B
setoneD latnoziroh part of ecnailppa hcihw seirrac or
sniatnoc the gnitaeh .etalp 5 RATING
2.39 Heating 5.1 Rated Voltage
ehT rated egatlov llahs ton exceed 250 V. ehT -erp
gnitaeH tinu dengised ot etadommocca a lessev no sti
ferred rated egatlov si 240 V ac.
reppu .ecafrus
3 GFNERAL REQUIREMENT 5.2 Rated Input
The rated tupni of the gnitaeh tnemele of na cirtcele
3.1 secnailppA llahs eb so dengised dna detcurtsnoc evots llahs eb eno of the gniwollof :
that ni lamron esu yeht noitcnuf ylefas so as ot onesuac
regnad ot snosrep or ,sgnidnuorrus neve ni the tneve of 750,. 1000 dna 1500 W
hcus sselerac esu as yam rucco ni lamron ..ecivres
ETON - nI esac ereht era erom naht eno gnitaeh ,tnemele neve
,neht eht latot gnitar llahs ton deecxe 1 005 .W
4 LARENEG SETON ON STSET
6 GNIKRAM
4.1 ehT epyt tests are edam no 2 ,selpmas hcihw llahs
dnatshtiw lla the tnaveler epyt tests nevig ni xennA .A 6.1 Bach cirtcele evots llahs eb dekram ylbigel dna
ehT ecnatpecca tests dna enituor tests are osla nevig ni ylbarud htiw :
xennA .A
a) rated egatlov or rated egatlov ;egnar
4.2 fI ti si tnedive morf the ngised of the ecnailppa that )b lobmys for erutan of ;ylppus
a ralucitrap test si ton elbacilppa that test llahs ton eb c) rated ycneuqerf or rated ycneuqerf egnar ni
.demrofrep ;ztreh
d) rated tupni ni watts or ;sttawolik
4.3 nI case the ecnailppa si nekat morf flehs (after e) s’rerutcafunam ,eman kram-edart or -ifitnedi
)egarotsgnol dna detcejbus ot egakael tnerruc dna hgih noitac ;kram
egatlov tests ni ,noitalosi the test llahs eb detcudnoc f) s’rerutcafunam ledom or epyt ;ecnerefer
after 10 setunim of noitarepo as deificeps ni 2.20. g) lamreht ;ycneiciffe dna
h) yrtnuoc of .nigiro
4.4 Before gnitset si started the ecnailppa si operated
ehT-ETON detar tupni si latot tupni fo eht stiucric taht nac eb
at rated egatlov ni order ot yfirev that ti si ni gnikrow
ni noitarepo .ylsuoenatlumis
order.
6.1.1 fI deilppus yletarapes htiw cirtcele ,evots the
4.5 ehT ecnailppa llahs eb tested htiw the elbixelf elbahcated gnitaeh tnemele llahs eb dekram rehtie no
cord .deilppus the gnitaeh tnemele or no notrac/repparw gnirevoc the
gnitaeh tnemele dna the snoitcurtsni telfael htiw the
4.6 ehT ,stnenopmoc fi deriuqer for gnitset dluohs eb gniwollof noitamrofni :
dettimbus gnola htiw .elpmas
4 Rated ;)s(egatlov
4.7 secnailppA dettif htiw ,tatsomreht ygrene -taluger b) Rated tupni ni watts or ;sttawolik
gni ,ecived erutarepmet lortnoc dna ralimis ecived are lc s’rerutcafunaM ,eman ,kram-edart or -itnedi
tested htiw these slortnoc detsujda ot rieht tsom -afnu noitacif ;kram dna
elbaruov ,gnittes fi the gnittes nac eb deretla yb the
4 s’rerutcafunaM ledom or epyt .ecnerefer
.resu
6.2 nehW slobmys are ,desu yeht llahs eb as
NOTES swollof :
1 fI eht gnitsujda snaem fo eht lortnoc si elbissecca tuohtiw eht
dia fo a ,loot eht snoisivorp ylppa rehtehw eht gnittes nac eb V stlov
deretla yb dnah ro htiw eht dia fo a ;loot fi eht gnitsujda snaem
Hz hertz

5