Household and simi ar electrical appl ances – Safety – Part 2-42: Particular requirements for commercial electric forced conv ection Apparei s électrodomestiques et analogues – Sécurité
Trang 1Household and simi ar electrical appl ances – Safety –
Apparei s électrodomestiques et analogues – Sécurité –
Partie 2-42: Règles particul ères pour les fours électriques à conv ection forcée,
les cuiseur s à v apeur électriques et les fours combinés v apeur-conv ection
électriques à usage col ectif
Trang 2THIS PUBLICA TION IS COPYRIGHT PROTECTED
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Trang 3Household and simi ar electrical appl ances – Safety –
Part 2-42: Particular requirements for commercial electric forced conv ection
Apparei s électrodomestiques et analogues – Sécurité –
Partie 2-42: Règles particul ères pour les fours électriques à conv ection forcée,
les cuiseur s à v apeur électriques et les fours combinés v apeur-conv ection
électriques à usage col ectif
INT ERNAT IONAL
ELECT ROT ECHNICAL
COMMIS ION
ELECT ROT ECHNIQUE
INT ERNAT IONALE
®
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Atte tio ! Ve i ez v us a s rer q e v u a ez obte u c t e publc tio via u distribute r a ré
c lo r
insid
Trang 5IEC 60335-2-42
Editio 5.2 2 17-0
Household and simi ar electrical appl ances – Safety –
Apparei s électrodomestiques et analogues – Sécurité –
Partie 2-42: Règles particul ères pour les fours électriques à conv ection forcée,
les cuiseur s à v apeur électriques et les fours combinés v apeur-conv ection
électriques à usage col ectif
Trang 6CONTENTS
FOREWORD 4
INTRODUCTION 7
1 Sco e 8
2 Normative referen es 8
3 Terms an definition 9
4 General req irement 1
5 General con ition for the tests 1
6 Clas ification 1
7 Markin an in tru tion 12 8 Protection again t ac es to l ve p rts 14 9 Startin of motor-o erated a pl an es 14 10 Power input an c r ent 15 1 He tin 15 12 Void 17 13 L akage c r ent an electric stren th at o eratin temp rature 17 14 Tran ient overvoltages 18 15 Moisture resistan e 18 16 L akage c r ent an electric stren th 19 17 Overlo d protection of tran formers an as ociated circ its 2
18 En uran e 2
19 Abnormal o eration 2
2 Sta i ty an mec anical hazard 21
21 Mec anical stren th 2
2 Con tru tion 2
2 Internal wirin 2
2 Comp nents 2
2 Sup ly con ection an external flexible cord 2
2 Terminals for external con u tors 2
2 Provision for e rthin 2
2 Screws an con ection 2
2 Cle ran es, cre p ge distan es an sold in ulation 2
3 Resistan e to he t an fire 2
31 Resistan e to ru tin 2
3 Radiation, toxicity an simiar hazard 2
An exes 3
An ex N (normative) Pro f trac in test 3
An ex P (informative) Guidan e for the a plcation of this stan ard to a pl an es u ed in tro ical cl mates 3
An ex AA (informative) Ap l an es inten ed to b u ed on b ard s ips 3
Bibl ogra h 3
Trang 7+AMD2:2 17 CSV IEC 2 17
Fig re 101 – Splas a paratu 2
Fig re 10 – Warnin sig again t dan er of s aldin 2
Fig re 10 – Identification of s rfaces for temp rature me s rement 3
Fig re 10 – Pro e for me s rin s rface temp ratures 31
Fig re 10 – Adjacent s rfaces whic are not me s red 31
Ta le 101 – Maximum temp rature rises for sp cified external ac es ible s rfaces u der normal o eratin con ition 17 Ta le 102 – As embl n torq es for s rewed con ection providin e rthin contin ity 2
Trang 8INTERNATIONAL ELECTROTECHNICAL COMMISSION
Part 2-42: Particular requirements for commercial electric forced
convection ovens, steam cookers and steam-convection ovens
1) Th Intern tio al Ele trote h ic l Commis io (IEC) is a worldwid org niz tio for sta d rdiz tio c mprisin
al n tio al ele trote h ic l c mmite s (IEC Natio al Commite s) Th o je t of IEC is to promote
intern tio al c -o eratio o al q e tio s c n ernin sta d rdiz tio in th ele tric l a d ele tro ic field To
this e d a d in a ditio to oth r a tivitie , IEC p bls e Intern tio al Sta d rd , Te h ic l Sp cific tio s,
Te h ic l Re orts, Pu lcly Av ia le Sp cific tio s (PAS) a d Guid s (h re fer refere to a “IEC
Pu lc tio (s)”) Th ir pre aratio is e tru te to te h ic l c mmite s; a y IEC Natio al Commite intere te
in th s bje t d alt with ma p rticip te in this pre aratory work Intern tio al g v rnme tal a d n n
-g v rnme tal org niz tio s laisin with th IEC als p rticip te in this pre aratio IEC c la orate clo ely
with th Intern tio al Org niz tio for Sta d rdiz tio (ISO) in a c rd n e with c n itio s d termin d b
a re me t b twe n th two org niz tio s
2) Th formal d cisio s or a re me ts of IEC o te h ic l maters e pre s, a n arly a p s ible, a intern tio al
c n e s s of o inio o th rele a t s bje ts sin e e c te h ic l c mmite h s re re e tatio from al
intere te IEC Natio al Commite s
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Commite s in th t s n e Whie al re s n ble eforts are ma e to e s re th t th te h ic l c nte t of IEC
Pu lc tio s is a c rate, IEC c n ot b h ld re p n ible for th wa in whic th y are u e or for a y
misinterpretatio b a y e d u er
4) In ord r to promote intern tio al u iformity, IEC Natio al Commite s u d rta e to a ply IEC Pu lc tio s
tra s are tly to th ma imum e te t p s ible in th ir n tio al a d re io al p blc tio s An div rg n e
b twe n a y IEC Pu lc tio a d th c re p n in n tio al or re io al p blc tio s al b cle rly in ic te in
th later
5) IEC its lf d e n t pro id a y ate tatio of c nformity In e e d nt c rtific tio b die pro id c nformity
a s s me t s rvic s a d, in s me are s, a c s to IEC mark of c nformity IEC is n t re p n ible for a y
s rvic s c rie o t b in e e d nt c rtific tio b die
6) Al u ers s o ld e s re th t th y h v th late t e itio of this p blc tio
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oth r d ma e of a y n ture wh ts e er, wh th r dire t or in ire t, or for c sts (in lu in le al fe s) a d
e p n e arisin o t of th p blc tio , u e of, or rela c u o , this IEC Pu lc tio or a y oth r IEC
This Con ol date version is not a of icial IEC Sta dard a d ha be n prepare for
us r c nv nie c Only the c r e t v rsion of the sta dard a d its ame dme t(s)
In this Re l ne v rsion, a v rtic l l n in th margin s ows where the te hnic l c nte t
is modifie by ame dme ts 1 a d 2 Additio s are in gre n te t, deletion are in
strik thro gh re te t A s parate Final v rsion with al c a ge a c pte is a ai able
Trang 9+AMD2:2 17 CSV IEC 2 17
This p rt of International Stan ard IEC 6 3 5 has b en pre ared by IEC s bcommite 61E:
Safety of electrical commercial caterin eq ipment, of IEC tec nical commite 61: Safety of
hou ehold an simi ar electrical a pl an es
This fif h edition con titutes a tec nical revision
The Fren h version of this stan ard has not b en voted up n
This p rt 2 is to b u ed in conju ction with the latest edition of IEC 6 3 5-1 an its
amen ments It was esta ls ed on the b sis of the fourth edition (2 01) of that stan ard
NOT 1 Wh n “Part 1 is me tio e in this sta d rd, it refers to IEC 6 3 5-1
This p rt 2 s p lements or modifies the cor esp n in clau es in IEC 6 3 5-1, so as to
con ert that publ cation into the IEC stan ard: Safety req irements for commercial electric
forced con ection oven , ste m co kers an ste m-con ection oven
When a p rtic lar s bclau e of Part 1 is not mentioned in this p rt 2, that s bclau e ap l es
as far as is re sona le When this stan ard states "ad ition", "modification" or " e lacement", the
relevant text in Part 1 is to b ada ted ac ordin ly
NOT 2 Th folowin n mb rin s stem is u e :
– s b la s s, ta le a d fig re th t are n mb re startin from 101 are a ditio al to th s in Part 1;
– u le s n te are in a n w s b la s or in olv n te in Part 1, th y are n mb re startin from 101, in lu in
Word in b ld in th te t are d fin d in Cla s 3 Wh n a d finitio of Part 1 c n ern a a je tiv , th
a je tiv a d th a s ciate n u are als in b ld
The fol owin dif eren es exist in the cou tries in icated b low
–
6.1: Cla s 01 a pla c s are alowe (Ja a )
– 6.2: For a pla c s inte d d to b in tale in a kitc e , a a pro riate d gre of prote tio a ain t h rmful
in re s of water is re uire a c rdin to th ir h ig t of in talatio (Fra c )
– 13.2: L a a e c r e t lmits are difere t (Ja a )
– 16.2: L a a e c r e t lmits are difere t (Ja a )
– Cla s 21: For a pla c s inte d d to b in tale in a kitc e , difere t v lu s of imp ct e erg are
a plc ble a c rdin to th h ig t of th imp ct p int (Fra c )
Trang 10The commit e has decided that the contents of the b se publ cation an its amen ments wi
remain u c an ed unti the sta i ty date in icated on the IEC we site u der
"ht p:/ we store.iec.c " in the data related to the specific publ cation At this date, the
NOT Th ate tio of Natio al Commite s is drawn to th fa t th t e uipme t ma ufa turers a d te tin
org niz tio s ma n e a tra sitio al p rio folowin p blc tio of a n w, ame d d or re is d IEC p blc tio in
whic to ma e pro u ts in a c rd n e with th n w re uireme ts a d to e uip th ms lv s for c n u tin n w or
re is d te ts
It is th re omme d tio of th c mmite th t th c nte t of this sta d rd b a o te for impleme tatio
n tio aly n t e rler th n 12 mo th from th d te of its p blc tio
IMPORTANT – Th 'c lour in ide' log on the c ver pa e of this publ c tio indic te
that it c ntain c lours whic are c nsid re to be us ful for th c r e t
und rsta din of its c nte ts Us rs s ould therefore print this doc me t usin a
c lo r printer
Trang 11+AMD2:2 17 CSV IEC 2 17
It has b en as umed in the drafin of this International Stan ard that the exec tion of its
provision is entru ted to a pro riately q al fied an exp rien ed p rson
This stan ard recog izes the international y ac e ted level of protection again t hazard s c
as electrical, mec anical, thermal, fire an radiation of a pl an es when o erated as in
normal u e takin into ac ou t the man facturer's in tru tion It also covers a normal
situation that can b exp cted in practice an takes into ac ou t the way in whic
This stan ard takes into ac ou t the req irements of IEC 6 3 4 as far as p s ible so that
there is comp tibi ty with the wirin rules when the a pl an e is con ected to the s p ly
main However, national wirin rules may dif er
If an a pl an e within the s o e of this stan ard also in orp rates fu ction that are covered
by another p rt 2 of IEC 6 3 5, the relevant p rt 2 is a pl ed to e c fu ction se arately, as
far as is re sona le If a plca le, the influen e of one fu ction on the other is taken into
ac ou t
This stan ard is a prod ct fami y stan ard de l n with the safety of a plan es an takes
preceden e over horizontal an generic stan ard coverin the same s bject
An a pl an e that compl es with the text of this stan ard wi not neces ari y b con idered to
comply with the safety prin iples of the stan ard if, when examined an tested, it is fou d to
have other fe tures that imp ir the level of safety covered by these req irements
An a pl an e employin materials or havin forms of con tru tion dif erin from those detai ed
in the req irements of this stan ard may b examined an tested ac ordin to the intent of
the req irements an , if fou d to b s bstantial y eq ivalent, may b con idered to comply
with the stan ard
Trang 12HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
Part 2-42: Particular requirements for commercial electric forced
convection ovens, steam cookers and steam-convection ovens
1 Sc pe
This clau e of Part 1 is re laced by the fol owin
This International Stan ard deals with the safety of electrical y o erated commercial forc d
c nv ction o e s, ste m c ok rs, ste m-c n e tio ov ns an , ex lu ive of an other
u e, ste m ge erators, not inten ed for hou ehold an simi ar u e, their rate v lta e b in
not more than 2 0 V for sin le-phase a pl an es con ected b twe n one phase an neutral
an 4 0 V for other a plan es
c nte n , h s itals a d in c mmercial e terpris s s c a b k rie , b tc erie , etc
The electrical p rt of a pl an es makin u e of other forms of energ is also within the s o e
– in ma y c u trie a ditio al re uireme ts are s e ifie b th n tio al h alth a th ritie , th n tio al
a th ritie re p n ible for th prote tio of la o r, th n tio al water s p ly a th ritie a d simiar a th ritie ;
– in ma y c u trie a ditio al re uireme ts ares e ifie for pre s re a pla c s
NOT 10 This sta d rd d e n t a ply to
– a pla c s d sig e e clu iv ly for in u trial p rp s s;
– a pla c s inte d d to b u e in lo atio s wh re s e ial c n itio s pre ai s c a th pre e c of a
c ro iv or e plo iv atmo p ere (d st, v p ur or g s)
– c ntin o s pro e s a pla c s for th c ntin o s ma s pro u tio of fo d;
– microwa eo e s (IEC 6 3 5-2-9 )
This clau e of Part 1 is a pl ca le ex e t as folows
Trang 13+AMD2:2 17 CSV IEC 2 17
3 Terms a d definitions
This clau e of Part 1 is a pl ca le ex e t as fol ows
3.1.4 Ad i o :
NOT 101 Th rated p wer in ut is th s m of th p wer in uts of al th in ivid al eleme ts in th a pla c
th t c n b o at o e time; wh re th re are s v ral s c c mbin tio s p s ible, th t givin th hig e t p wer
in ut is u e in d terminin th rated p wer in ut
3.1.9 R e pla eme t
normal operation
o eration of the a plan e u der the fol owin con ition
Dry he t mode
The a pl an e is o erated with al the s elves or the s elf trol ey in p sition ac ordin to the
man facturer's in tru tion but with no lo d The controls are set so that the me n value
of the temp rature over the thermostat c cle at the ge metric centre of eac u able sp ce in
the interior of the oven is maintained at 2 0 °C ± 4 °C Ste p d controls are set so that this
temp rature is 2 0 °C ± 15 °C
For oven that are u a le to atain a temp rature of 2 0 °C, the controls are set at the
maximum
For oven that are ca a le of atainin temp ratures in ex es of 2 0 °C, the controls are set
so that the me n value of the temp rature is 5 °C ± 4 °C b low the maximum temp rature
at aina le
Ste min only mode
The a pl an e is o erated in ac ordan e with the man facturer's in tru tion with al controls
inten ed to b o erated by the u er adju ted to their maximum setin u ti re c in
o eratin temp rature They are then re dju ted, if p s ible, to the lowest setin that
maintain that temp rature
Ap l an es with ste m ge erators inten ed to b fi ed by han or by a man al y o erated
ta are fi ed to the in ic te le el on the ste m ge erator
Ap l an es with ste m ge erators inten ed to b fi ed automatical y are con ected to a
water s p ly havin the pres ure desig ated by the man facturer Where the man facturer
sp cifies a ran e of pres ures, the pres ure is adju ted to give the most u favoura le
Trang 14The in omin water is maintained at
– 15 °C ± 5 °C in the case of a plan es inten ed for con ection to a cold water s p ly;
– 6 °C ± 5 °C or the temp rature in icated in the in tru tion s e t, whic ever is the hig er,
in the case of a pl an es inten ed for con ection to a hot water s p ly only
NOT 101 If th a pla c is inte d d for c n e tio to eith r a h t or c ld water s p ly, th temp rature of th
water is th t whic giv s th mo t u fa o ra le re ults
Lid , do rs, an covers are in p sition an closed
The c oking c mpartme t of the a pl an e contain a water lo d, initial y at 15 °C ± 5 °C,
comprisin 0,5 l/k of the man facturer's declared maximum fo d lo d The water lo d is
evenly distributed b twe n the s elves or p n
NOT 10 Sin e p n ma b p rforate to alow for circ latio of ste m, th water lo d ma b c ntain d in
s ita le c ntain rs e e ly distrib te o er th s elv s or p n
Combination mode
The a pl an e is o erated as for the ste min only mode but with the forced con ection fan/s
an elements for he tin the c oking c mpartme t on an the temp rature controls set as
for the dry he t mode
In al the a ove cases, motors in orp rated in the a plan e are o erated in the inten ed
man er u der the most severe con ition that can b exp cted in normal u e, takin into
ac ou t the man facturer's in tru tion
3.101
forc d c nv ction ov n
an a pl an e inten ed for the co kin of fo d by he ted air that is circ lated by mec anical
me n within the c oking c mpartme t The pres ure within the c oking c mpartme t
do s not dif er sig ificantly from atmospheric pres ure
3.10
ste m c ok r
an a pl an e inten ed for the co kin of fo d only by me n of direct ste m contact The
pres ure within the c okin c mpartme t can ex e d atmospheric pres ure
3.10
atmospheric ste m c o er
an a pl an e in whic the pres ure within the c oking c mpartme t do s not dif er
sig ificantly from atmospheric pres ure
3.10
ste m-c nv ction ov n
an a pl an e inten ed for the co kin of fo d either by me n of direct ste m contact or by
he ted air circ lated by mec anical me n within the c oking c mpartme t or by a
combination of these two modes The pres ure within the c oking c mpartme t do s not
dif er sig ificantly from atmospheric pres ure
3.10
rate pre s re
the maximum workin pres ure of ste m c ok rs an ste m g nerators as ig ed by the
man facturer to the pres urized p rts of the a pl an e
3.10
ste m ge erator
that p rt of the a pl an e desig ed sp cifical y for the generation of ste m for ex lu ive u e in
a c o ing c mpartme t
Trang 15+AMD2:2 17 CSV IEC 2 17
NOT Th ste m g nerator ma b eith r c mbin d within th co king compar ment, remote from th co king
compar ment b t c ntain d within th s me c sin or fu ctio a a s p rate u it pro idin ste m for o e or more
4 Ge eral requirement
This clau e of Part 1 is a pl ca le
5 Ge eral c nditions for the tests
This clau e of Part 1 is a pl ca le ex e t as fol ows
5.10 Ad i o :
Ap planc e s inte ded fo r instalato in a b an of othe r ap lances and ap planc e s inte nded to
be fixe d to an ins tala tion wa ll are e nc lo se d to o b tain p ro te c tio against ele ctric sho ck and
harmfu l in re ss of wate r e qu ivale t to that o btain d whe n instaled in a co rdanc e wih th
instructo ns p ro vide d wih th ap lanc e
NOT 101 Ap ro riate e clo ure or a ditio al a pla c s ma b n e e for te t p rp s s
5.101 Ap lanc e s are testeda he a ting appla ce s, e e if th y incorp o rate a mo to r
5.10 Ap lanc e s, wh n a semb led in c o mb inato wih or inco rp o ratn othe r ap lances,
are te sted in a cordanc e wih th re u ireme ts of this standard Th othe r ap lanc e s are
o perated simu ltan o usly in a co rdance wih th re u ireme ts o f th rele vant standards
6 Cla sification
This clau e of Part 1 is a pl ca le ex e t as fol ows
Trang 16Ap l an es s al b cla s I with resp ct to protection again t electric s oc
Comp liance is c heck d b y insp ec tio and by th rele vant te sts
– the water pres ure or ran e of pres ures, in kiop s als (kPa), for a pl an es or ste m
ge erators inten ed to b con ected to a water s p ly, u les this is in icated in the
in tru tion s e t;
– the rate pre s re, in ki o as als (kPa), on pres urized p rts of the a pl an e
The in tru tion of ste m co k rs an ste m-conv ction ov ns s al also in lu e
inf ormation with regard to the maximum f ood lo d in ki ograms (k )
The in tru tion of steam cook rs s al in lu e the s bstan e of the f ol owin warnin :
WARNING: Do not o en drain coc s or other emptyin devices u ti the pres ure has
b en red ced to a proximately atmospheric pres ure
If s mb ls IEC 6 417-5 21 (2 0 -10) an IEC 6 417-5 41 (2 0 -10) of IEC 6 417-1 is are
marked on the a pl an e, its their me nin s al b explained
Trang 17+AMD2:2 17 CSV IEC 2 17
7.12.1 Re lac eme nt
The a pl an e s al b ac omp nied by in tru tion detai n an sp cial precaution
neces ary for in talation For a pl an es inten ed for in tal ation in a b n of other
a pl an es an a pl an es inten ed to b fixed to an instal ation wal , detai s of how to
en ure a pro riate protection again t electric s oc an harmful in res of water s al b
s p l ed If the controls of more than one a pl an e are combined in a se arate en los re,
detai ed in tal ation in tru tion s al b s p l ed In tru tion for us r mainte a c , for
example cle nin , s al also b given They s al in lu e a statement that the a pl an e is not
to b cle ned with a water jet or a ste m cle ner
For a pl an es that are p rmanently con ected to fixed wirin an for whic le kage c r ents
may ex e d 10 mA, p rtic larly if dis on ected or not u ed for lon p riod , or d rin initial
in tal ation, the in tru tion s al give recommen ation regardin the ratin of prote tiv
de ic s, s c as e rth le kage relay , to b in tal ed
Comp liance is c he ck d b y insp e c tio
7.12.4 Ad i o :
The in tru tion for bui t in ap l a c s havin a se arate control p nel for several
a pl an es s al state that the control p nel is only to b con ected to the sp cified
a pl an es in order to avoid a p s ible hazard
Trang 18When it is not practical to place the markin of fix d ap l a c s so that it is visible af er
the a pl an e has b en in tal ed, the relevant information s al also b in lu ed in the
in tru tion for u e or on an ad itional la el that can b fixed ne r the a plan e af er
in tal ation
Comp liance is c he ck d b y insp e c tio
7.10 Eq ip tential b n in terminals s al b marked with sy mb l 5 21 of IEC 6 417-1
These markin s s al not b placed on s rews, remova le was ers or other p rts that can b
removed when cond ctors are b in con ected
Comp liance is c heck d b y insp e c tio
8 Protection a ainst ac ess to l ve parts
This clau e of Part 1 is a pl ca le
9 Starting of motor-operated a pl ance
This clau e of Part 1 is a pl ca le ex e t as fol ows
9.101 Fan motors providin a co l n efect in order to comply with the req irements of
Clau e 1 s al start u der al voltage con ition that may oc ur in u e
Comp liance is c heck d b y startn th motor thre e tme s at a v lag e u al to 0 ,8 tmes
rate d volta g e, th mo to r b ein at roo m temp e ratu re at th be gin in o f th test
Th mo to r is started ea h tme u nde r th co di o s o ccurrin at th be gin in of n rmal
Trang 19+AMD2:2 17 CSV IEC 2 17
m oto r b e in alowed to c o me to re st b e twe n suc ces iv starts For ap plance s p ro vide d wih
m oto rs havin othe r than ce trifu g al startn swic he s, this test is re peated at a v lage e ual
to 1,0 tmes rated voltage
In al c se s, th motor shal start andi shal fu nc tio in suc h a way that s fety is no t afected
and o ve rlo ad prote tio de vice s of th moto r shal no t o e rate
NOT 1 Th s p ly s urc mu t b s c th t d rin th te t th dro in v lta e d e n t e c e 1 %
NOT 2 A fa motor for th c n e tio fa o ly is n t c n id re to pro id a c oln efe t
10 Power input a d cur ent
This clau e of Part 1 is a pl ca le ex e t as fol ows
10.1 Ad i o :
NOT 101 For a pla c s h vin more th n o e h atin u it, th total p wer in ut ma b d termin d b
me s rin th p wer in ut of e c h atin u it s p rately (s e als 3.1.4)
11 Heating
This clau e of Part 1 is a pl ca le ex e t as fol ows
1 2 Ad i o :
Ap planc e s inte de d to be fix d to th flo rand ap lanc e s wih a ma s greate r than 4 k
and n t p ro videdwih role rs, c stors o r simiar means are instale d in ac o rdanc e wih th
manufa ture r's instructo s Ifn instructo s are give n, the se app liances are co side red a
ap lanc e s no rmaly plac e d o n th floo r
Se parate c oking c mpa rtments and stea m g e nera tors are a sembledin a cordance wih
th manu fac ture r's instru cto s and lo c ated in th te st c o rn rin such a man erthat the y wi
hav th most u nfavo urab le efe c t o n e ac h othe r and o th irsurrou ndings
1 4 R eplac eme t
Ap planc e s are op erated u nde r norma l opera tion suc h that th to tal power in u t o f th
a ppla n ce is 1,15 tm es ra ted p ower in put Ifi is n o t po s sible to s wich o n a llhea tin g elem en ts a t
th e s a m e tme , th e tes t is m a de wih each o fth e co m bin a tio n s th a tth e s wich a rra n gem en t wi
a llo w, th e h igh est lo a d p s sible wih each swich in g a rra n geme n t bein g in circui
If th app liance is p ro ided wih a c ontrol that lmis th to tal po we r in ut, th te st is made
wih whic he ve r comb inato n o fh atn unis, a may b sele c ted by the co trol, impo ses th
mo st se ve re c o ndi o
Trang 20If th tempe rature rise lmis ofmo to rs, transfo rme rs or e le tro ic circuits are e xce de d, th
te st is re eated wih th app liance suppled at 1,0 6 tme s ra ted voltag e In this c ase o nly
th tempe rature rise s of motors, transfo rme rs o r e le ctronic circ uits are me asured
1 7 R eplaceme t
Th ap lanc e is o e rated a fo llo ws
Ap planc e s wih ste am g enera tors inc o rpo rate d in th c ooking c ompartm ent are o pe rated
o n contnu ous cycles u nt steady c o ndi o s are e stablsh d Each cycle comp rise s an
o pe ratn p e riod folowed by a re st pe riod stric tly sufficie t, but in n c se lo g e r than 5 min,
to alo w fo r rep lac in th wate r load, th wate r le elin th s team g enera tors inte nded to b
fi e d by hand b ein , if ne ces ary, re sto re d to th indic ate d le vel, in a co rdanc e wih th
manufa ture r's instructo s
Th o e ratn pe riod is e qu al to th maximu m co okin tme de c lared by th manufa turer o r,
if such declarato n is n t p ro ided, to th tme take n fo r th app liance to re ach th maximu m
temp e rature c ondi o s
Ap planc e s wih se arate s te a m ge nera tors are swich d o and alowed to op e rate u nt
steady co di o s are e stablsh d in th stea m g e ne rator Wh n the se con di o s hav b ee
re ac hed, th ap lanc e is o e rated a abo ve
Othe r app liance s are o erated unt steady c ondi o s are e stab lish d
NOT 101 Th d ratio of th te t ma c n ist of more th n o e c cle of o eratio
1 8 Ad i o :
Durin th test th pre ssure relef de vic e shal n t o e rate
Trang 21c
d
e
12 Void
13 Leaka e cur ent and electric strength at operating temperature
This clau e of Part 1 is a pl ca le ex e t as fol ows
13.2 Modific ato :
– fo r cord and plu g co n ctedap plance s 0,75 mA o r 1 mA p erkW rate d powe r input
o f the ap lance wih a maximum of 10 mA,
– fo r othe r ap lanc e s 0,75 mA o r 1 mA p erkW rate d powe r input
o f th ap lance wih n maximum, whic he er
Trang 2214 Transient overv ltages
This clau e of Part 1 is a pl ca le
15 Moisture resistance
This clau e of Part 1 is a pl ca le ex e t as fol ows
15.1.1 Ad i o :
In ad i o , IPX0, IPX1, IPX2, IPX3 and IPX4 ap lances are su b je cted fo r 5 min to th
folo win spla h te st
Th app aratus sho wn in Fig ure 10 1 is used D urin th test, th wate r p re ssure is so
re gu lated that th wate r spla he s u p 15 mm abo ve th bo tto m of th b owl Th bo wl is
placed o th floo r fo r ap planc e s no rmaly use d o th flo o r Fo r al othe r app liance s o a
ho rizo tal supp rt 5 mm b e low th lo we st e dg of th app liance, th bowl is so mo ve d
arou nd a to spla h th ap lanc e from al dire c tio s C are is tak n that th ap plance is n t
hi b y th dire c t je t
15.1.2 Modificato :
Ap planc e s no rmaly used o n a table are plac ed o a suppo rt havin dime sio ns that are
15 cm ± 5 c m in e xces of th se o fth o rtho gonal p roje cto o f th ap planc e o th su p po rt
15.2 R eplac eme t
Ap l an es s al b con tru ted so that spi age of l q id in normal u e do s not afect their
electrical in ulation
Comp liance is c he cke d by th folowin te st usin a sp ilag e solu tio comp risin wate r
%
1
15,0
Ap planc e s wih ty e Xatachment, e xc e pt tho se havin a sp e c ialy p re ared c o rd, are fi e d
wih th lg htest pe rmis ible ty e of fle xible c b le orco rd o f th smale st cros -se c tio al area
sp e c ified in 2 6 and o the r ap plance s are tested a delve re d
———————
Trang 23+AMD2:2 17 CSV IEC 2 17
Deta hab le parts are remo ved
A l re o f cold wate r co tainin app ro ximately 1 % NaC l th solu tio is p ou redsteadiy o ve r a
p e riodo f 1 min o e r th botom surfac e of th c oking c mpa rtment
Th wate r co taine rs o f ap lance s inte ded to b e fi ed wih water by hand are completely
fi ed wih water th solutio n and a furthe r quant y e u al to 15 % of th c ap ac ity o f th
co taine r is p ured in steadiy o ve r a pe rio d of 1 min
Ap planc e s wih co tain rs inte ded to b e fi edb a manualy o e rated tap o r automatc ly
are c o nne cte d to a wate r su p ply havin th maximu m su p ply p res ure indic ated b y th
manufa ture r Th means fo r control n th inc omin wate r is h ld fu lly o pe and th fi in
co tnu e d for 1 min after th first e vide nc e o fo e rflo w, oru nt a furth rp rotectv system
o perate s to sto th inflow
In ad i o , forc ed c onve ction ovens wih automatc fi ers o r sp rayin systems and inte ded
fo r p erman nt c o nne cto to th water mains, are o pe rate d for5 min wih an means that lmi
th wate r intake , fo r e xample a wate r le el de vice, flow co trol, etc re de redin p e ratv in
th mo st u nfavo urable co di o s Th fan moto r is o perated, if i c n b e o pe rated
indep ende ty, wih th he atng eleme ts o n o r n t, whiche ve r is th mo st se ve re co di o
Durin this te st the ap lance is co ne c te d to a water su p ply (wih ut s l havin th
maximum p re ssure indicatedby th manu fa turer
If mo re than o e co trol n de vice is fi ed, th test is re eated wih ea h de vic e re dered
in p ratv in turn
Th ap lance shal wihstand an ele ctric stre gth te st a sp e c ified in 16.3 and inspe cto n
shal sho w that wate r that may hav e teredth ap planc e doe s n t impair c o mplanc e wih
this part in partc u lar, the re shal be n trac e of wate r o insulato fo r which c le ara c es and
cre e pa g e dista c e s are sp e c ified in C lause 29
15.3 Ad i o :
NOT 101 If it is n t p s ible to pla e th wh le a pla c in th h midity c bin t, p rts c ntainin ele tric l
c mp n nts are te te s p rately, ta in into a c u t th c n itio s th t o c r in th a pla c
15.101 Ap l an es that are provided with a ta inten ed for fi in or cle nin , s al b
con tru ted so that the water from the ta can ot come into contact with l v parts
Comp liance is c he ck d b y th folowin te st
Th tap is fu lly o pe edfo r 1 min wih th ap plance co n cted to a water su p ply havin th
maximum water p re ssure indic ated by th manu fa ture r Ti ab le and mo vab le parts, inclu din
lds, are t te d or p lac e d in th mo st unfav urable p o si o s Swiv l n ou tle ts o f wate r tap s
are so p o si o e d a to dire c t wate r o n to th se p arts that wi giv th mo st unfav urab le
re su lt Immediately folowin this treatme nt th ap plance shal wihstand an electric stre gth
te st a spe c ifie d in 16.3
16 Leaka e cur ent and electric strength
This clau e of Part 1 is a pl ca le ex e t as fol ows
Trang 2416.2 Modific ato :
– fo r cord and plu g co n ctedap plance s 0,75 mA o r 1 mA p erkW rate d powe r input
o f the ap lance wih a maximum of 10 mA,
– fo r othe r ap lanc e s 0,75 mA o r 1 mA p erkW ra te d power input
o f th ap lance wih n maximum, whic he er
17 Overload protection of transformers and ass ciated circ its
This clau e of Part 1 is a pl ca le
18 Endurance
This clau e of Part 1 is a pl ca le
19 Abnormal operation
This clau e of Part 1 is a pl ca le ex e t as folows
19.1 Ad i o :
A co trol o r swichin de ic e that is inte dedfor dife re t set n s co rre spo ndin to dife re t
fu ncto s of th s me p art of th ap lanc e and that are c o ve red bydifere nt standards is, in
ad i o , set in th mo st se ve re set n ire spe c tiv of th manufacturer's instructo s
Ap planc e s p ro vided wih a co ntrollmi n th p res ure durin th te sts ofClause 1 are also
subje cted to th te sts of 19 4 wih this co trol rende red ino peratve
NOT 101 Co tin o s blowin -of of th pre s re relef d vic is in its lf disre ard d
19.2 Modific ato :
Instead o f th first se te ce, th folowin ap ple s
Dry h at mo de :
Ap planc e s are te sted u nde r th co di o s sp cified in C lause 1 , b ut wih th fan mo to r
re nde red in p e ratv
NOT 101 If th re is more th n o e fa motor,th y are re d re in p rativ in turn
Steamin o ly and c omb inato mode s:
Trang 25+AMD2:2 17 CSV IEC 2 17
Ap plances are te sted u nde r th condi o s spe cifie d in Clause 1 , b ut wiho u t wate r load and
wih al doo rs o r lds c lose d Ste m ge ne ra tors inte nde d to b e fi ed b y hand are o pe rated
wih ut water Ste a m ge ne ra tors inte ded to b e fi ed by a manu aly op erated tap or
au tomatc aly are o peratedwih th wate r su pp ly turn d o ff and th s team gene rator dry
19.3 Ad i o :
An adjustable te mpe rature o r pre ssure c o ntro l wihin th app liance that is p re se t forc o rrect
o pe rato bu t is n t lo ck din p si o is adjusted to is mo st u nfav urab le po si o
19.4 Ad i o :
NOT 101 Th main c nta ts of th c nta tor inte d d for switc in o a d of th h atin eleme t(s) in n rmal
u e are lo k d in th "ON" p sitio Howe er, if two c nta tors o erate in e e d ntly of e c oth r or if o e
c nta tor o erate two in e e d nt s ts of main c nta ts, th s c nta ts are lo k d in th "ON" p sitio in turn
19.7 Modific ato :
In te d of the text precedin the ta le, the fol owin a ples
Mo vin parts of mo to r and fan a se mble s are locke d and th ap lanc e is o pe rate d, startn
from cold, u nder normal ope ratio , at ra te d voltage o r at th u p pe r lmi of th ra te d
volta g e ra ge, a lo g a is n ce ss ry to e stablsh steady c o ndi o s o r, if a tmer is
p ro vide d, forth maximu m pe riod alowed b y th tmer
NOT 101 If a a pla c h s more th n o e motor,th te t is ma e for e c motor s p rately
NOT 10 Altern tiv te ts for prote te motor u its are giv n in An e D
Ap planc e s inco rpo ratn motors havin c apac ito rs in th circ uit of an auxi ary windin
are o pe rated wih th roto r locke d, th c apac ito rs be in o e -circu ited o e at a tme Th
te st is rep eated wih th c pac ito rs sh rtcirc u ite d on at a tme u nles the y c o mply wih
IEC 6025
NOT 10 This te t is ma e with th rotor lo k d b c u e c rtain motors with c p citors ma or ma n t start s
th t v ria le re ults c uld b o tain d
Durin th test, th temp rature o f th windin s shal no t e xce dth values sho wn in Tab le 8
19.8 Ad i o :
Comp liance is c he ck d a fo r 19.7
20 Stabi ity and mec anic l hazards
This clau e of Part 1 is a pl ca le ex e t as fol ows
2 1 Ad i o :
Co e rs, lds and a c e ssorie s are placedin th most unfav urable p si o ns
Shelftrole ys are su bje c ted to th folowin ad i o al te st
Th trole y, loaded in ac co rdanc e wih th manu fa ture r's instructio s, is plac ed o a plan
that is inclin d at 10 ° to th ho rizo tal Th b rakin me chanism is ap pled andth trole shal
n t mo ve bymo re than 10 mm
Trang 262 2 Ad i o :
Ad the fol owin af er the first req irement p ragra h
This a ples also to o eratin me n , i.e han les or whe ls
Ad i o :
Movin p rts of motor an fan as embles of a pl an es where the fan motor can b o erated
when the c o ing c mpartme t do r is o en s al b ar an ed or en losed so that adeq ate
protection again t injury is provided d rin normal u e in lu in cle nin
It s al not b p s ible to tou h the movin p rts of the fan
Comp liance is c he ck d b y test p robe 41 ofIEC 61032 app lied wih a force o f 10 N
2 101 Ap l an es other than a pl an es inten ed to b fixed to the flo r s al have
adeq ate sta i ty when the do rs are o en an s bjected to a lo d
Comp liance is c he ck d b y th folowin te sts
Doo rs havin a ho rizo tal hin e at th ir lower edg e are o pe ed and a weig ht is genty p lac ed
o n th surfa e ofth do rso that is c entre of graviy is ve rtc ly o ve r th g ometric c e ntre o f
th doo r Th co tact are a o f th weig t is suc h a wi c use n damag e to th doo r, and is
ma s is:
– fo r ap lances no rmaly u se d o n a flo r:
• fo r c oking c mpartment do ors: 2 k o r suc h higher valu e a , a cordin to th
manufa ture r's coo kin instructo s, c n b e pla edin the c oking c mpartment;
• fo r othe r doo rs: 7 k ;
– fo r app liance s no rmaly u se d o a table o r simiarsuppo rt and pro vided wih doo rs havin
a ho rizo talhing e at th ir lo we r edg anda p rojecto o f at le ast 2 5 mm from th hinge
to th o pe in edge:
• 7 k orsuch hig he r valu e a , a co rdin to th manu fa turer's coo kin instructo ns, c n
b e p lace d in th c oking c mpartment
Doo rs, e xcep t tho se whe re th lo we r le el o fth c oking c mpa rtme nt is ab o ve a n rmal
workin surfa e, havin a v rtc al hinge are o e e d throu gh an angle of 90°, and a downward
fo rce of 14 N is th n ap pled g nty to th to p of th do or at th e xtre miy furthe st from th
For a pla c s pro id d with more th n o e d or, th te ts are ma e o e c d or s p rately
For n n-re ta g lar d ors, th forc is a ple to th t p int furth st from th hin e wh re s c a forc mig t b
e erte in n rmal u e
Dama e a d d formatio of d ors a d hin e are n gle te
Trang 27+AMD2:2 17 CSV IEC 2 17
2 10 Guard fit ed over motors an fan as embl es in order to comply with the
req irements of 2 2 s al not be deta hable parts u les
– a s ita le interloc as embly is fited that prevents the motor or fan from o eratin when
the g ard is removed, or
– the g ard forms an integral p rt of the oven l nin
Comp liance is che ck d b y insp e c tio and manu al test
21 Mec anic l strength
This clau e of Part 1 is a pl ca le ex e t as fol ows
21.101 Shelves s al b con tru ted so that they do not fal away from the s elf s p orts
either when in ide the c oking c mpartme t or exten ed out by 5 % of their de th They
s al not tip when exten ed out by 5 %
Comp liance is c he ck d b y th folowin te st
Load a cak tn orsimiar co tain r, havin an are a o f 75 % o f that ofth sh lf, wih e ve nly
distribu ted we ig hts of ma s to tal n 4 k fo r ea h squ are me tre o f tn area Insert a she lf,
wih th loaded tn ce traly disp o sed, o th su ppo rts p ro vide d in th c oking c ompartment
Mo ve th sh lf a far a p o ssible to th left, le av fo r 1 min and th n wihdraw i Re -inse rt
th sh lfand mo ve i to th e xtreme rig ht, leav for 1 min and ag ain wihdraw i
D urin this te st th sh lf shal no t fal away from th suppo rt
Th te st is the n re e atedwih th sh lf e te nded o u t by 5 % of is dep th Th n ap ly an
ad i o al force o f 10 N ve rtc aly downward o n th ce tre o fth e xp sed fro t e dg e o f th
sh lf Durin this te st th sh lf shal n t tp
NOT A smal a gle of d fle tio is alowe
22 Construction
This clau e of Part 1 is a pl ca le ex e t as fol ows
2 7 R eplaceme t
Ste m c ok rs an ste m ge erators that o erate at a pres ure in ex es of atmospheric
pres ure (over-pres ure) s al in orp rate a s ita le pres ure relef device that prevents
ex es ive pres ure
Comp liance is che ck d by op e ratn th app liance at rated power inp u t wih th p re ssure
co ntro ls re nde re d in p e ratv
The pres ure rel ef device s al o erate d rin this test so as to prevent the internal pres ure
ex e din the rate pre s re by 2 %
2 101 For thre -phase a pl an es, th rmal c t outs protectin circ its with he tin
elements, an those for motors of whic the u exp cted startin may cau e a hazard, s al
b of the non-self reset in an trip- re typ , an s al provide al -pole dis onne tion from
the related s p ly circ its
Trang 28cau e a hazard, s al b of the non-self reset in an trip- re typ , an s al provide at le st
If the non-s lf-re et ing th rmal c t o t is only ac es ible af er removin p rts with the aid
of a tool the trip- re typ is not req ired
NOT 1 T ermal cuto ts of th trip- re ty e h v a a tomatic a tio , with a re et a tu tin memb r, s
c n tru te th t th a tomatic a tio is in e e d nt of ma ip latio or p sitio of th re et me h nism
Thermal c t o ts of the bulb an ca i ary typ that o erate durin the tests of Clau e 19
s al b s c that rupture of the ca i ary tub s al not imp ir compl an e with the
req irements of 19.13
Comp liance is c he ck d b y insp e c tio and by manual test and b y ru p turin th capi ary tub e
NOT 2 Care mu t b ta e to e s re th t th ru ture d e n t s al th c pi ary tu e
2 10 Lig ts, switc es or pu h-but on s al only b coloured red for the in ication of
dan er, alarm or simi ar situation s al b coloured red
Comp liance is c he ck d b y insp e c tio
2 10 The o eratin pres ure of ste m c ok rs an ste m ge erators s al not ex e d
the rate pre s re
Comp liance is c he ck d durin th te st o fC lause 1
2 10 It s al not b p s ible to o en the c okin c mpartme t do r of a pres urized
a pl an e u ti the pres ure has b en red ced to a proximately atmospheric pres ure
Comp liance is c he ck d b y insp e c tio and by manual test
2 10 For a pl an es desig ed to o erate at atmospheric pres ure, the ste m vents s al
b protected either by desig , location, or other me n again t bloc age
Comp liance is c he ck d b y insp e c tio
2 10 Me n provided to al ow drainage of water from ste m g nerators an c o ing
c mpartme ts s al dis harge the water in s c a man er that electrical in ulation is not
af ected
Comp liance is c he ck d b y insp e c tio and by manual te st
2 10 The level to whic man al y fi ed water containers have to b fi ed s al b so
located as to b re di y visible when fi in
Comp liance is c heck d b y insp e c tio
2 10 Ap l an es s al b provided with a me n where y ex au ted ste m is con en ed
automatical y b fore it is rele sed to the drain
Trang 29+AMD2:2 17 CSV IEC 2 17
2 10 Pres urized a plan es s al in orp rate a vac um rele se valve to prevent a p rtial
vac um formin u les it is desig ed for vac um o eration
Comp liance is che ck d b insp e c tio
2 1 0 Pres urized a pl an es s al b ca a le of with tan in the rate pre s re
Comp liance is che cke d by subjectn th p res urized p arts for 30 min to a h dro statc
pres ure e u al to 1,5 tme s th ra ted press ure Al o u tlets are sealed and an pres ure relef
de ic e s re de red in p e ratv Means othe r than wate r may b e used to cre ate th h dro statc
pres ure
Durin th test th p re ssurizedparts shal sh w n sig s ofleaks o r pe rman nt de fo rmato ,
n or shal the y burst
2 1 1 Interloc devices fited on c oking c mpartme t do rs an g ard in order to
comply with the req irements of 2 2 an 2 101 s al b so ar an ed that
– the fan motor is dis on ected from the s p ly when the c oking c mpartme t do r is
o ened to give a ga not gre ter than 5 mm;
– it s al not b p s ible to over ide an interloc u in test pro e B of IEC 610 2
Comp liance is che cke d b y inspe cto n and by mea ureme t, and by ap plyin th te st prob e B
in an p o si o wih th c o o kin c ompartme t doo r o e n
2 1 2 Portable ap l a c s s al not have o enin s on the u derside that would al ow
smal items to p netrate an tou h l v parts
Comp liance is c he ck d b y insp e c tio and b y me asurin th distanc e b e twe n th suppo rtn
surfac e and lve pa rts thro u g h op enin s This distance shal b e at lea t 6 mm Ho we ve r, if th
ap lance is fi ed wih le s, this distanc e is increa edto 10 mm if th app lianc e is inte nded to
stand o n th table and to 2 mm ifi is inte ded to stand o th flo or
2 1 3 The pres ure relef device s al b p sitioned or con tru ted so that its o eration
do s not cau e injury to p rson or damage to s r ou din s Its con tru tion s al b s c
that it can ot b made ino erative or set to a hig er rel ef pres ure without the aid of a
sp cial to l
Comp liance is c he ck d b insp ectio
2 1 5 Drain coc s an other emptyin devices for hot l q id s al b con tru ted so that
they can ot b o ened inad ertently Moreover, it s al not b p s ible to with raw drain
plu s inad ertently
Comp liance is c he ck d b y insp e c tio and by manu al te st
NOT For e ample, this re uireme t is met wh n th v lv h n le is s c th t, wh n rele s d, it return
a tomatic ly to th clo e p sitio or is of th wh el ty e or is pla e in are e s
Trang 302 1 7 Ap l an es provided with a me n where y con en ate is automatical y dis harged
s al b con tru ted so that the dis harge do s not res lt in a hazard
Comp liance is che ck d b insp e c tio
– wh re th c api ary tu be is fi ed a p art of th internal wiring, Part 1 ap ples;
– whe re th c api ary tub e is se arate, i is subje cte d to 1 0 00 fle xin s at a rate n t
e ce din 3 0 pe r min
NOT 101 If, in a y of th a o e c s s, it is n t p s ible to mo e th mo a le p rt of th a pla c at th giv n
rate, d e for e ample to th ma s of th p rt, th rate of fle in ma b re u e
Afte r th te st, th c api ary tube shal sh w n sig of damag wihin th me anin o f this
standard and n damag e imp airin is furthe r use
Howe er, if a ruptu re of th c ap ilary tu b e re ders th ap lance ino pe ratv (fai s fe ),
se arate c pi ary tu be s are no t te sted, and tho se fi ed a part o fth internal wirin are no t
inspe cted for c o mplance wih th re qu ire me ts
Comp liance in this instance is che ck d b y rupturin th c pi ary tu be
NOT 10 Care mu t b ta e to e s re th t th ru tured e n t s alth c pi ary tu e
24 Components
This clau e of Part 1 is a pl ca le
25 Supply connection and external flexible cords
This clau e of Part 1 is a pl ca le ex e t as fol ows
2 1 Modific ato :
Ap l an es s al not b provided with an a pl an e inlet
2 3 Ad i o :
Fix d appl a c s an Ap l an es with a mas gre ter than 4 k , inten ed for p rmanent
con ection to fixed wirin an not provided with rol ers, castors or simi ar me n s al b
con tru ted so that the s pply c rd con ection can b con ected done af er the a pl an e
has b en in tal ed in ac ordan e with the man facturer's in tru tion
Terminals for p rmanent con ection of ca les to fixed wirin may also b s ita le for the type
X at a hme t of a s pply c rd In this case, a cord an horage complyin with 2 16 s al b
fit ed to the a pl an e
Trang 31+AMD2:2 17 CSV IEC 2 17
If the a pl an e is provided with a set of terminals al owin the con ection of a flexible cord,
they s al b s ita le for the type X at a hme t of the cord
In b th cases the in tru tion s al give ful p rtic lars of the p wer s p ly c rd
The con ection to the s p ly wires of bui t in appl a c s may b made b fore the a pl an e
is in tal ed
Comp liance is c he ck d b insp ectio
2 7 Modific ato :
In te d of the typ s of s pply c rds sp cified, the fol owin a ples
Supply c rds s al b oi-resistant, s e thed flexible ca le not l g ter than ordinary
p ly hloro rene or other eq ivalent s nthetic elastomer-s e thed cord (code desig ation
Statio ary appl a c s s al b provided with a terminal for the con ection of an external
eq ip tential con u tor This terminal s al b in efective electrical contact with al fixed
exp sed metal p rts of the a pl an e, an s al alow the con ection of a con u tor havin a
nominal cros -sectional are of up to 10 mm² It s al b located in a p sition con enient for
the con ection of the b n in con u tor afer in tal ation of the a pl an e
NOT 101 Smal fix d e p s d metal p rts, for e ample n me late a d th lk , are n t re uire to b in
ele tric l c nta t with th termin l
28 Screws and c nnections
This clau e of Part 1 is a pl ca le ex e t as folows
Trang 32s rewed as embly p rts d e to o erational stres an contact cor osion They s al b
29 Clearances, cre page distances and sol d ins lation
This clau e of Part 1 is a pl ca le ex e t as fol ows
2 2 Ad i o :
The micro n ironment is p l ution degre 3 an the in ulation s al have a comp rative
trac in in ex (CTI) not les than 2 0, u les the in ulation is en losed or located so that it is
u l kely to b exp sed to p l ution d rin normal u e of the a pl an e
30 Resistance to heat and fire
This clau e of Part 1 is a pl ca le ex e t as fol ows
3 2.1 Modificato :
Th glow-wire te st is c ried out at 650 °C Th glow-wire flammab il y inde x (G WFI
3 2.2 Not ap l ca le
3 101 Fi e rs, if an , o f no n-metal c mate rials inte ded for th abso rpto o f grea e
are sub je cted to th b urnin te st spe c ified in ISO 97 2 forc tego ry HBF mate rial, if re le vant,
o r shal b e c la sified at le ast HB40 a cordin to IEC 60 69 -1 -10 , e xcep t that th thick e ss
o f th sp e c ime n is th s me a that in th ap plance
NOT It ma b n c s ary to s p ort th s e ime
Trang 33∅35
Trang 38,
Trang 39+AMD2:2 17 CSV IEC 2 17
Trang 40Bibl ography
The bibl ogra h of Part 1 is a pl ca le ex e t as fol ows
Ad i o :
IEC 6 3 5-2-9 , House hold and simiar ele ctric al ap lanc e s – Safety – Part 2-90 : Partc u lar
re qu ireme ts for commercial mic rowav o ve s
_ _ _ _ _ _