It also a ples to sp cific typ s of switc in elements as ociated with other devices whose main circ its are covered by other stan ard s c as: • au i ary contacts of a switc in device e.
Trang 1Apparei lage à basse tension –
Partie 5-1: Apparei s et éléments de commutation pour circuits de commande –
Trang 2THIS PUBLICATION IS COPYRIGHT PROT CTED
Copyright © 2 16 IEC, Ge e a, Switzerla d
Al rig ts reserv d Unles oth rwise sp cifie , n p rt of this p blc tio ma b re ro u e or uti ze in a y form
or b a y me ns,ele tro ic or me h nic l in lu in p oto o yin a d microfim, with ut p rmis io in writin from
eith r IEC or IEC's memb r Natio al Commite in th c u try of th re u ster If y u h v a y q estio s a o t IEC
c p rig t or h v a e q iry a o t o tainin a ditio al rig tsto this p blc tio , ple se c nta t th a dres b low or
y ur lo al IEC memb r Natio al Commite for furth r informatio
Droits d re ro u tio réserv s Sa f in ic tio c ntraire, a c n p rtie d c te p blc tio n p ut être re ro uite
ni uti sé so s q elq e forme q e c soit et p r a c n pro é é, éle tro iq e o mé a iq e, y c mpris la p oto o ie
et les microfims, sa s la c rd é rit d l EC o d Comité n tio al d l EC d p ys d d ma d ur Si v usa ez d s
q estio s sur le c p rig t d l EC o si v us d sirezo te ir d s droits su pléme taires sur c te p blc tio , uti sez
les c ord n é s ci-a rès o c nta tez le Comité n tio al d l EC d v tre p ysd résid n e
Th Intern tio al Ele trote h ic l Commis io (IEC) is th le din glo al org nizatio th t pre ares a d p blsh s
Intern tio al Sta d rds for al ele tric l ele tro ic a d relate te h olo ies
Ab ut IEC publ c tio s
Th te h ic l c nte t of IEC p blc tio s is k pt u d r c nsta t re iew b th IEC Ple se ma e sure th t y u h v th
latest e itio , a c rig n a or a ame dme t mig t h v b e p blsh d
IEC Catalog e - webstore.ie c / catalog e
Th sta d-alo e a plc tio for c nsultin th e tire
biblo ra hic l infor matio o IEC Inter natio al Sta d rds,
Te h ic l Sp cific tio s, Te h ic l Re orts a d oth r
d c me ts Av ia le for PC, Ma OS, An r oid Ta lets a d
iPa
IEC publc tio s s arc - w w.ie c /se rc pub
Th a v n e se rc e a les to fin IEC p blc tio s b a
v riety of crite a (r efer en e n mb r, te t, te h ic l
c mmite ,…) It also giv s informatio o pr oje ts, re la e
a d w ith r awn p blc tio s
IEC J st Publs ed - webstore.ie c / j stpubls ed
Sta u to d te o al n w IEC p blc tio s Just Pu lsh d
d tais al n w p blc tio s rele se Av ia le o ln a d
also o c a mo th b emai
Ele to edia - ww w.ele to edia.org
Th w or l 's le din o ln dictio ary of ele tro ic a d
ele tr i al terms c ntainin 2 0 0 ter ms a d d finitio s in
En lsh a d Fre c , w ith e uiv le t terms in 15 a ditio al
la g a es Also k now n as th Inter natio al Ele tr ote h ic l
Vo a ulary (IEV) o ln
IEC Glos ary - std.ie c / glos ary
6 0 0 ele trote h ic l ter min lo y e tr i s in En lsh a d
Fre c e tr acte from th Terms a d Definitio s cla se of
IEC p blc tio s is u d sin e 2 0 Some e tr i s h v b e
c le te fr om e r lier p blc tio s of IEC TC 3 , 7 , 8 a d
CIS R
IEC Cu tomer Serv ic Cente - webstore.ie c / cs
If y u w ish to giv us y our fe d a k o this p blc tio or
n e furth r as ista c ,ple se c nta t th Customer Ser vic
Ce tr e: csc@ie c
A pro os de lIEC
L Commis io Ele trote h iq e Intern tio ale (IEC) est la première org nisatio mo diale q i éla ore et p ble d s
Normes intern tio ales p ur to t c q i a trait à léle tricité, à léle tro iq e et a x te h olo ies a p re té s
A pro os de publc tio s IEC
L c nte u te h iq e d s p blc tio s IEC est c nstamme t re u Ve i ez v us as urer q e v us p s é ez lé itio la
plus ré e te, u c rig n um o ame d me t p ut a oir été p blé
Catalog e IEC - webstore.ie c / catalog e
Ap lc tio a to ome p ur c nsulter to s les r enseig eme ts
biblo ra hiq es sur les Normes intern tio ales,
Sp cific tio s te h iq es, Ra p r ts te h iq es et a tr es
d c me ts d l EC Disp nible p ur PC, Ma OS, ta letes
An roid et iPa
Re h rc e de publc tio s IEC - w w.ie c / se rc pub
L r ec er ch a a c e p rmet d tr ou er d s p blc tio s IEC
e uti sa t difér ents c tères (n mér o d référe c , te te,
c mité d’étu es,…) Ele d n e a s i d s infor matio s sur les
pr ojets et les p blc tio s rempla é s o r etir ées
IEC J st Publs ed - webstore.ie c / j stpubls ed
Restez infor mé sur les n u eles p blc tio s IEC Just
Pu lsh d d tai e les n u eles p blc t io s p r ues
Disp nible e lg e et a s i u e fois p r mois p r emai
Ele to edia - ww w.ele to edia.org
L pr emier dictio n ir e e lg e d ter mes éle tro iq es et
éle tr i u s I c ntie t 2 0 0 termes et d finitio s e a glais
et e fr an ais, ainsi q e les ter mes é uiv le ts d ns 15
la g es a ditio n les Eg leme t a p lé Vo a ulair e
Ele tr ote h iq e Inter natio al (IEV) e lg e
Glos aire IEC - std.ie c / glos ary
6 0 0 e tré s termin lo iq es éle tr ote h iq es, e a glais
et e fr an ais, e tr aites d s articles Ter mes et Définitio s d s
p blc tio s IEC p r ues d p is 2 0 Plus c rtain s e tr ées
a té e res e traites d s p blc tio s d s CE 3 , 7 , 8 et
CIS R d l EC
Serv ic Clents - webstore.ie c / cs
Si v us d sir ez n us d n er d s c mme tair es sur c te
p blc tio o si v us a ez d s q estio s c nta tez-n us:
csc@ie c
Trang 3Apparei lage à basse tension –
Partie 5-1: Apparei s et éléments de commutation pour circuits de commande –
Warnin ! Mak e s re th t y ou o tain d this publc tion from a a thorize distributor
Ate tion! Ve i ez v ou a s rer qu v ou av ez o te u c te publc tion via u distribute r a ré
Trang 4CONTENTS
FOREWORD 9
1 General 1
1.1 Sco e an o ject 1
1.2 Normative referen es 12 2 Terms an definition 14 2.1 Basic terms an definition 16 2.2 Control switc es 17 2.3 Parts of control switc es 2
2.4 Op ration of control switc es 2
2.4.1 Op ration of contactor relay 2
2.4.2 Op ration of pi ot switc es 2
2.4.3 Op ration of rotary switc es 2
2.4.4 Op ration of mec anical y o erated control switc es 2
3 Clas ification 2
3.1 Contact elements 2
3.2 Control switc es 2
3.3 Control circ it devices 2
3.4 Time delay switc in elements 2
3.5 Control switc mou tin 2
4 Characteristic 2
4.1 Summary of c aracteristic 2
4.1.1 General 2
4.1.2 Op ration of a control switc 2
4.2 Typ of control circ it device or switc in element 2
4.2.1 Kin of control circ it device 2
4.2.2 Kin of switc in elements 2
4.2.3 Numb r of p les 2
4.2.4 Kin of c r ent 2
4.2.5 Inter uptin medium 2
4.2.6 Op ratin con ition 2
4.3 Rated an l mitin values for switc in elements 2
4.3.1 General 2
4.3.2 Rated voltages (of a switc in element 2
4.3.3 Cur ents 2
4.3.4 Rated freq en y 2
4.3.5 Vacant 2
4.3.6 Normal an a normal lo d c aracteristic 2
4.3.7 Short circ it c aracteristic 2
4.4 Uti zation categories for switc in elements 2
4.5 Vacant 2
4.6 Vacant 2
4.7 Vacant 2
4.8 Vacant 2
4.9 Vacant 2
4.10 Electricaly se arated contact elements 2
Trang 54.12 Pi ot switc es havin two or more contact elements 2
5 Prod ct information 2
5.1 Nature of information 2
5.2 Markin 3
5.2.1 General 3
5.2.2 Terminal identification an markin 3
5.2.3 Fu ctional markin s 31
5.2.4 Emergen y sto 31
5.2.5 Op ratin diagram 31
5.2.6 Time delay markin s 31
5.3 In tru tion for in tal ation, o eration an maintenan e 31
5.4 Ad itional information 3
6 Normal service, mou tin an tran p rt con ition 3
6.3.1 Mou tin of sin le hole mou ted devices 3
7 Con tru tional an p rforman e req irements 3
7.1 Con tru tional req irements 3
7.1.1 General 3
7.1.2 Materials 3
7.1.3 Cur ent car yin p rts an their con ection 3
7.1.4 Cle ran es an cre p ge distan es 3
7.1.7 Con ition for control switc es s ita le for isolation 3
7.1.8 Terminals 3
7.1.14 Clas I control circ it devices 3
7.1.15 Req irements for control devices with integral y con ected ca les 3
7.2 Performan e req irements 3
7.2.3 Dielectric pro erties 3
7.2.4 Abi ty to ma e an bre k u der normal an a normal lo d con ition 3
7.2.5 Con itional s ort circ it c r ent 3
7.2.6 Vacant 3
7.2.7 Ad itional req irements for control switc es s ita le for isolation 3
7.2.8 Maximum recovery time 3
7.3 Electromag etic comp tibi ty (EMC) 3
7.3.1 General 3
7.3.2 Immu ity 3
7.3.3 Emis ion 3
8 Tests 4
8.1 Kin s of test 4
8.1.1 General 4
8.1.2 Typ tests 4
8.1.3 Routine tests 4
8.1.4 Sampl n tests 4
8.1.5 Sp cial tests 4
8.2 Compl an e with con tru tional req irements 4
8.2.1 Materials 4
8.2.2 Eq ipment 4
8.2.3 En los res for eq ipment 4
8.2.4 Mec anical an electrical pro erties of terminals 4
Trang 68.2.6 Verification of l mitation of rotation (of a rotary switc ) 4
8.2.7 Con uit pul -out test, torq e test an b n in test with metal c con uits 4
8.3 Performan e 4
8.3.1 Test seq en es 4
8.3.2 General test con ition 4
8.3.3 Performan e u der no-lo d, normal lo d an a normal lo d con ition 4
8.3.4 Performan e u der con itional s ort circ it c r ent 51
8.4 Tests for EMC 5
8.4.1 General 5
8.4.2 Immu ity 5
8.4.3 Emis ion 5
8.4.4 Test res lts an test re ort 5
An ex A (normative) Electrical ratin s b sed on uti zation categories (se 3.1) 61
An ex B (normative) Example of in u tive test lo d for d.c contacts 6
B.1 General 6
B.2 Con tru tion 6
An ex C (normative) Sp cial tests – Dura i ty tests 6
C.1 General 6
C.1.1 Dura i ty declaration 6
C.1.2 Test proced res 6
C.1.3 Faiure criteria 6
C.2 Mec anical d ra i ty 6
C.2.1 General 6
C.2.2 Test proced res 6
C.3 Electrical d ra i ty 6
C.3.1 General 6
C.3.2 Test proced res 6
An ex D Vacant 6
An ex E (normative) Items s bject to agre ment b twe n man facturer an u er 7
An ex F (normative) Clas I control circ it devices in ulated by en a s lation Req irements an tests 71
F.1 General 71
F.2 Terms an definition 71
F.5 Markin 71
F.7 In tru tional an fu ctional req irements 7
F.7.1 Choice of comp u d 7
F.7.2 Ad esion of the comp u d 7
F.7.3 Dielectric pro erties 7
F.8 Tests 7
F.8.1 Kin of tests 7
An ex G (normative) Ad itional req irements for control circ it devices with integral y con ected ca les 7
G.1 General 7
G.2 Terms an definition 7
G.7 Con tru tional an p rforman e req irements 7
G.7.1 Con tru tional req irements 7
G.7.2 Performan e req irements 7
Trang 7G.8.1 General 7
G.8.2 Typ tests 7
G.8.3 Res lts to b o tained 7
An ex H (normative) Ad itional req irements for semicon u tor switc in elements for control circ it devices 7
H.1 General 7
H.2 Terms an definition 7
H.3 Clas ification 7
H.3.1 Semicon u tor switc in elements 7
H.4 Characteristic 7
H.4.1 Rated voltage 7
H.4.2 Uti zation categories 7
H.5 Prod ct information 7
H.7 Con tru tional an p rforman e req irements 7
H.7.1 Performan e req irements 7
H.7.2 Abi ty to ma e u der a normal an normal con ition 8
H.7.3 Con itional s ort circ it c r ent 8
H.7.4 Electromag etic comp tibi ty (EMC) 8
H.8 Tests 8
H.8.1 Typ tests 8
H.8.2 Voltage dro (U d ) 8
H.8.3 Minimum o erational c r ent (I m ) 81
H.8.4 OFF-state c r ent (I) 81
H.8.5 Ma in an bre king ca acities 81
H.8.6 Performan e u der s ort circ it c r ent con ition 81
H.8.7 Verification of electromag etic comp tibi ty 8
An ex J (normative) Sp cial req irements for in icator l g ts an in icatin towers 8
J.1 General 8
J.2 Terms an definition 8
J.3 Clas ification 8
J.4 Characteristic 8
J.4.1 Rated o erational voltage of an in icator l g t 8
J.4.2 Rated thermal p wer of an in icator l g t 8
J.4.3 Rated values of the lamp 8
J.5 Prod ct information 8
J.6 Normal service, mou tin an tran p rt con ition 8
J.7 Con tru tional an p rforman e req irements 8
J.8 Tests 8
J.8.3 Tests for in icator l g ts an in icatin towers 8
J.8.4 Shock an vibration 8
J.8.5 Degre of protection for in icatin towers 8
An ex K (normative) Sp cial req irements for control switc es with direct o enin action 9
K.1 General 9
K.2 Terms an definition 9
K.3 Clas ification 9
K.4 Characteristic 91
K.4.4 Uti zation categories for switc in elements 91
Trang 8K.5.2 Markin 91
K.5.4 Ad itional information 91
K.6 Normal service, mou tin an tran p rt con ition 9
K.7 Con tru tional an p rforman e req irements 9
K.8 Tests 9
An ex L (normative) Sp cial req irements for mec anical y l nk d contact elements 9
L.1 General 9
L.2 Terms an definition 9
L.3 Clas ification 9
L.4 Characteristic 9
L.5 Prod ct information 9
L.6 Normal service, mou tin an tran p rt con ition 9
L.7 Con tru tional an p rforman e req irements 9
L.8 Tests 9
L.8.4 Sp cial test for mec anical y l nk d contact elements 9
An ex M (normative) Terminal markin , distin tive n mb r an distin tive let er for control circ it devices 9
M.1 Sco e 9
M.2 Terminal markin rule 9
M.2.1 General 9
M.2.2 Fu ction digit 9
M.2.3 Seq en e digit 9
M.2.4 Numb rin method 10
M.3 Distin tive n mb r an distin tive let er 10
M.3.1 General 10
M.3.2 Distin tive n mb r 10
M.3.3 Distin tive let er 10
M.4 Terminal n mb rin seq en e 10
M.5 Contactor relay desig ated by the distin tive leter E 101
M.6 Contactor relay desig ated by distin tive let ers X, Y or Z 10
M.6.1 Contactor relay desig ated by the distin tive leter Z 10
M.6.2 Contactor relay desig ated by the distin tive leter X 10
M.6.3 Contactor relay desig ated by the distin tive leter Y 10
An ex N (normative) Proced re to determine rel a i ty data for electromec anical
devices in control circ its u ed in fu ctional safety a pl cation 10
N.1 General 10
N.1.1 Overview 10
N.1.2 Scop an o ject 10
N.1.3 General req irements 10
N.2 Terms, definition an s mb ls 10
N.3 Method b sed on d ra i ty test res lts 10
N.3.1 General method 10
N.3.2 Test req irements 10
N.3.3 Numb r of samples 10
N.3.4 Characterization of a fai ure mode 10
N.3.5 Weibul model n 10
N.3.6 Useful l fe an up er l mit of fai ure rate 10
N.3.7 Rel a i ty data 10
Trang 9N.5 Example 10
Bibl ogra h 10
Fig re 1 – Examples of the recommen ed method for drawin an o eratin diagram of
a rotary switc 5
Fig re 2 – Op ration of pu h-buton 5
Fig re 3 – Dif eren e e b twe n the over- ravel of the actuator an that of the contact element 5
Fig re 4 – Examples of contact elements (s hematic sk tc es) 5
Fig re 5 – Test circ its for multi-p le control switc es – Contacts of same p larity, not electricaly se arated 5
Fig re 6 – Test circ its for multi-p le control switc es – Contacts of o p site p larity, an electrical y se arated 5
Fig re 7 – L ad L d detai s for test con ition req irin dif erent values of ma e an bre k c r ent an /or p wer factor ( ime con tant 5
Fig re 8 – Test circ it, con itional s ort circ it c r ent (se 8.3.4.2) 5
Fig re 9 – Cur ent time l mits for d.c test lo d (se 8.3.3.5.4) 6
Fig re 10 – Voltage dro me s rement at contact p int of the clampin u it or terminal 6
Fig re B.1 – Con tru tion of lo d for d.c contacts 6
Fig re C.1 – Normal circ it (se C.3.2.2) 6
Fig re C.2 – Simpl fied circ it (se C.3.2.2) 6
Fig re F.1 – In ulation by en a s lation 7
Fig re F.2 – Test a p ratu 7
Fig re H.1 – Relation hip b twe n U e an U B 7
Fig re H.2 – Example of test circ it for the verification of voltage dro , minimum o erational c r ent an OFF-state c r ent (se H.8.2, H.8.3 an H.8.4) 81
Fig re H.3 – Short circ it testin (se H.8.6.1) 8
Fig re J.1 – Mou tin dimen ion for in icatin tower sock t 8
Fig re J.2 – Mou tin dimen ion for temp rature rise tests 8
Fig re K.1 – Verification of ro u tnes of the actuatin s stem 9
Fig re L.1 – Example of re resentation of NO an NC contacts whic are mec anical y l nk d an NC non-lnk d contact 9
Fig re L.2 – Symb l for device containin mec anicaly l nk d contacts 9
Ta le 1 – Uti zation categories for switc in elements 2
Ta le 2 – Mou tin hole diameter an dimen ion of the k y reces (if an ) 3
Ta le 3 – Prefer ed minimum distan es b twe n centres of mou tin holes 3
Ta le 4 – Verification of ma in an bre kin ca acities of switc in elements u der normal con ition cor esp n in to the uti zation categories 3
Ta le 5 – Verification of ma in an bre kin ca acities of switc in elements u der a normal con ition cor esp n in to the uti zation categories 4
Ta le 6 – Test con ition for glow-wire test 4
Ta le 7 – Ac e tan e criteria 41
Ta le 8 – Immu ity tests 4
Ta le 9 – Test values for electrical p rforman e an agein test of s rewles - yp
Trang 10Ta le A.1 – Examples of contact ratin desig ation b sed on uti zation categories 61
Ta le A.2 – Examples of semicon u tors switc in element ratin s for 5 Hz an /or 6 Hz 6
Ta le A.3 – Examples of semicon u tors switc in element ratin s for d.c 6
Ta le B.1 – DC lo d 6
Ta le C.1 – Ma in an bre kin con ition for electrical d ra i ty 6
Ta le M.1 – Diagrams of control switc es 101
Ta le M.2 – Diagrams of contactor relay desig ated by the distin tive leter E 10
Ta le M.3 – Diagrams of contactor relay desig ated by the distin tive leter Y 10
Trang 11INTERNATIONAL ELECTROTECHNICAL COMMISSION
Part 5-1: Control circuit devices and switching elements –
Electromechanical control circuit devices
1) Th Intern tio al Ele trote h ic l Commis io (IEC) is a worldwid org nizatio for sta d rdizatio 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 estio s c n ernin sta d rdizatio in th ele tric l a d ele tro ic fields To
this e d a d in a ditio to oth r a tivities, IEC p blsh s Intern tio al Sta d rds, 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 as “IEC
Pu lc tio (s)”) Th ir pre aratio is e truste to te h ic l c mmite s; a y IEC Natio al Commite intereste
in th su je 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 nizatio s laisin with th IEC also p rticip te in this pre aratio IEC c la orates closely
with th Intern tio al Org nizatio for Sta d rdizatio (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 nizatio s
2) Th formal d cisio s or a re me ts of IEC o te h ic l maters e pres , as n arly as p s ible, a intern tio al
c nse sus of o inio o th rele a t su je ts sin e e c te h ic l c mmite h s re rese tatio from al
intereste IEC Natio al Commite s
3) IEC Pu lc tio s h v th form of re omme d tio s for intern tio al use a d are a c pte b IEC Natio al
Commite s in th t se se Whie al re so a le eforts are ma e to e sure 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 resp nsible for th wa in whic th y are use or for a y
misinterpretatio b a y e d user
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 sp re 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 r esp n in n tio al or re io al p blc tio sh l b cle rly in ic te in
th later
5) IEC itself d es n t pro id a y atestatio of c nformity In e e d nt c rtific tio b dies pro id c nformity
as es me t servic s a d, in some are s, a c s to IEC marks of c nformity IEC is n t resp nsible for a y
servic s c rie o t b in e e d nt c rtific tio b dies
6) Al users sh uld e sure th t th y h v th latest e itio of this p blc tio
7) No la i ty sh l ata h to IEC or its dire tors, emplo e s, serv nts or a e ts in lu in in ivid al e p rts a d
memb rs of its te h ic l c mmite s a d IEC Natio al Commite s for a y p rso al injury, pro erty d ma e or
oth r d ma e of a y n ture wh tso v r, wh th r dire t or in ire t, or for c sts (in lu in le al fe s) a d
e p nses arisin o t of th p blc tio , use of, or rela c u o , this IEC Pu lc tio or a y oth r IEC
Pu lc tio s
8) Ate tio is drawn to th Normativ refere c s cite in this p blc tio Use of th refere c d p blc tio s is
in isp nsa le for th c re t a plc tio of this p blc tio
9) Ate tio is drawn to th p s ibi ty th t some of th eleme ts of this IEC Pu lc tio ma b th su je t of
p te t rig ts IEC sh l n t b h ld resp nsible for id ntifyin a y or al su h p te t rig ts
International Stan ard IEC 6 9 7-5-1 has b en pre ared by s bcommite 121A: L w-voltage
switc ge r an controlge r, of IEC tec nical commit e 121: Switc ge r an controlge r an
their as embl es for low voltage
This fourth edition can els an re laces the third edition publ s ed in 2 0 an its
Amen ment 1:2 0 This edition con titutes a tec nical revision
This edition in lu es the fol owin sig ificant tec nical c an es with resp ct to the previou
edition:
a) update of normative referen es;
b) update an restru turation of s bclau es in 7.1;
c) ad ition of material req irements an test;
Trang 12e) clarification of req irements an update of 8.2;
f ad ition of req irements for s rewles - yp clampin u its;
g) u p te of existin Ta les 4 an 5;
Ful information on the votin for the a proval of this stan ard can b fou d in the re ort on
votin in icated in the a ove ta le
This publ cation has b en drafed in ac ordan e with the ISO/IEC Directives, Part 2
This International Stan ard s ould b u ed in conju ction with IEC 6 9 7-1
The provision of the general rules, IEC 6 9 7-1, are a pl ca le to this stan ard, where
sp cifical y caled for General rules, clau es an s bclau es th s a pl ca le, as wel as
ta les, fig res an an exes are identified by a referen e to IEC 6 9 7-1, for example 1.2.3,
Ta le 4 or An ex A of IEC 6 9 7-1:2 0
The folowin dif erin practices of a les p rmanent nature exist in the cou tries in icated
b low
– 7.2.4.1: Ma in an bre kin ca acities (United States of America an Canada)
– 8.3.3.5.2: Test circ its an con ection (United States of America an Canada)
A l st of al the p rts in the IEC 6 9 7 series, u der the general title Low-v lage swichgear
a d co trolgear, can b fou d on the IEC we site
The commite has decided that the contents of this publ cation wi remain u c an ed u ti
the sta i ty date in icated on the IEC we site u der "htp:/we store.iec.c " in the data
related to the sp cific publcation At this date, the publ cation wi b
• reconfirmed,
• with rawn,
• re laced by a revised edition, or
• amen ed
Trang 13LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR –
Part 5-1: Control circuit devices and switching elements –
Electromechanical control circuit devices
1.1 Sco e a d obje t
This p rt of IEC 6 9 7 a pl es to control circ it devices an switc in elements inten ed for
control n , sig al n , interlockin , etc of switc ge r an controlge r
It a pl es to control circ it devices havin a rated voltage not ex e din 1 0 0 V a.c (at a
freq en y not ex e din 1 0 0 Hz) or 6 0 V d.c
However, for o erational voltages b low 10 V a.c or d.c se 4.3.2.2
This stan ard a ples to sp cific typ s of control circ it devices s c as:
• man al control switc es, for example pu h-but on , rotary switc es, fo t switc es, etc
• electromag eticaly o erated control switc es, either time-delayed or in tantane u , for
example contactor relay ;
• pi ot switc es, for example pres ure switc es, temp rature sen itive switc es
( hermostats), programmers, etc
• p sition switc es, for example control switc es o erated by p rt of a mac ine or
mec anism;
• as ociated control circ it eq ipment, for example in icator l g ts, etc
NOT 1 A c ntrol circ it d vic in lu es (a) c ntrol switc (es) a d as o iate d vic s su h as (a ) in ic tor
lg t s)
NOT 2 A c ntrol switc in lu es (a) switc in eleme ts) a d a a tu tin system
NOT 3 A switc in eleme t c nb a c nta t eleme t or a semic n u tor eleme t
It also a ples to sp cific typ s of switc in elements as ociated with other devices (whose
main circ its are covered by other stan ard ) s c as:
• au i ary contacts of a switc in device (e.g contactor, circ it bre k r etc.) whic are not
dedicated ex lu ively for u e with the coi of that device;
• interlockin contacts of en los re do rs;
• control circ it contacts of rotary switc es;
• control circ it contacts of overlo d relay
Contactor relay also comply with the req irements an tests of IEC 6 9 7-4-1 ex e t for the
uti zation category whic comply with this stan ard
This stan ard do s not in lu e the relay covered in IEC 6 2 5 or in the IEC 61810 series,
nor automatic electrical control devices for hou ehold an simiar purp ses
The colour req irements of in icator l g ts, pu h-buton , etc are fou d in IEC 6 0 3 an
Trang 14The o ject of this stan ard is to state:
a) the c aracteristic of control circ it devices;
b) the electrical an mec anical req irements with resp ct to:
1) the variou d ties to b p rformed;
2) the sig ifican e of the rated c aracteristic an of the markin s;
3) the tests to verify the rated c aracteristic ;
c) the fu ctional req irements to b satisfied by the control circ it devices with resp ct to:
1) en ironmental con ition , in lu in those of en losed eq ipment;
2) dielectric pro erties;
3) terminals
1.2 Normativ refere c s
The folowin doc ments, in whole or in p rt, are normatively referen ed in this doc ment an
are in isp n a le for its a pl cation For dated referen es, only the edition cited a pl es For
u dated referen es, the latest edition of the referen ed doc ment (in lu in an
amen ments) a pl es
IEC 6 0 8-2-6:2 0 , En iro me tal te stn – Part 2-6: Tests – Test Fc: Vib rato (sinusoidal
IEC 6 0 8-2-14:2 0 , En iro me tal testn – Part 2-14: Tests – Te st N: Ch nge of
IEC 6 0 3:2 0 , Basic a d safety p rincip les for ma -machin interface, markin a d
ide tficato – Codin p rinciple s for indicato s a d actuators
, Grap hical symb ols fordia rams
IEC 6 6 5-2-10:2 13, Fire h zard te stn – Part 2-10 : G lowing/h twire b ase d te st m eth ds –
G low-wire a p aratus a d commo test p rocedure
IEC 6 6 5-2-1 :2 14, Fire h zard te stn – Part 2-1 : G lowing/h twire b ased test m eth ds –
G low-wire flammab il y te st meth d fore d-p roducts (G WEPT)
IEC 6 6 5-2-12:2 10, Fire h zard te stn – Part 2-12: G lowing/h twire b ased test meth ds –
G low-wire flammab il y inde (G WFI test meth d for mate rials
Trang 15IEC 6 9 7-4-1:2 0 , Low-v la e swichgear a d co trolg ar – Part 4-1: Co tactors a d
motor-starters – Ele ctromech nical co tactors a d motor-starters
IEC 6 9 7-4-1:2 0 /AMD1:2 12
IEC 6 9 7-5-5:19 7, Low-v lage swichgear a d co trolgear – Part 5-5: Co trol circuit
de ice s a d swichin eleme ts – Electrical emerge ncy sto de vice wih mech nical latchin
functo
IEC 6 9 7-5-5:19 7/AMD1:2 0
IEC 6 9 7-5-5:19 7/AMD2:2 16
IEC 6 9 9-1:19 9, Co ne ctn de ice s – Electrical cop pe r co ductors – Safe ty re qu ireme ts
for s rew- y e a d s rewles -yp e clamp in u nis – Part 1: G ene ral re uireme ts a d
p artcu lar re u ireme ts for clamp in unis for co ductors from 0 ,2 mm
2
u p to 35 mm
2
(inclu ded)
IEC 610 0-3-2, Electroma n tc com patb il y (EMC) – Part 3-2: Limis – Limis for h rmo ic
curre nt emis io s (e quip me t inp u t cu rre t < 16 A p erp hase)
IEC 610 0-3-3, Ele ctroma n tc comp tb il y (EMC) – Part 3-3: Limis – Limiato ofv lage
ch nges, v lage fluctuato s a d flck r in p u b lic low-v lage su p ply systems, fore uipme t
wih rate dcu rre t <16 A p er p hase a d n t sub je ct to co di o al co ne cto
IEC 610 0-4-2:2 0 , Ele ctromagnetc comp atb il y (EMC) – Part 4-2: Testn a d me sure
-me t tech iques – Electrostatc dis h rge immuniy te st
IEC 610 0-4-3:2 0 , Electromagnetc comp tb il y (EMC) – Part 4-3: Te stn a d
me sureme t te ch iques – Radiated, radio-fre uency, electroma n tc field immuniy te st
IEC 610 0-4-3:2 0 /AMD1:2 0
IEC 610 0-4-3:2 0 /AMD2:2 10
IEC 610 0-4-4:2 12, Electromagnetc comp atb il y (EMC) – Part 4-4: Testn a d
me sureme t te ch iques – Electrical fast tra sie t/b urst immu niy test
IEC 610 0-4-5:2 14, Ele ctromagnetc comp atb il y (EMC) – Part 4-5: Testn a d
me sureme nt tech iques – Su rge im muniy te st
IEC 610 0-4-6:2 13, Electroma n tc comp atb il y (EMC) – Part 4-6: Testn a d
me sureme nt tech iqu es – Immuniy to co ducteddisturb ances, induced b y radio-fre uency
fields
IEC 610 0-4-8:2 0 , Ele ctromagnetc comp atb il y (EMC) – Part 4-8: Testn a d me sure
-me t tech iques – Powerfre uency magnetc field immu niy test
IEC 610 0-4-1 :2 0 , Electromagnetc comp atb il y (EMC) – Part 4-1 : Testn a d
me sureme t tech iqu e s – Volage dip s, sh rt interu pto s a d v lage v riato s immu niy
tests
IEC 610 0-4-13:2 0 , Ele ctroma n tc comp atb il y (EMC) – Part 4-13: Te stn a d
me sureme nt tech iques – Harmo ic a d interh rmo ic inclu din mains signal n at a.c
p ower p ort, low fre uency immuniy tests
IEC 610 0-4-13:2 0 /AMD1:2 0
IEC 610 0-4-13:2 0 /AMD2:2 15
IEC 61 4 :2 15, Protecto against ele ctric sh ck – Com mo asp ects for instalato a d
e u ipme nt
Trang 16CISPR 1 :2 15, Industrial, s ie tfic a d medical e quipme nt – Radio-fre uency disturb ance
ch racteristc – Limis a d meth ds of me sureme t
CIE S 0 4/E-2 01, Colou rs of Light Sig als
2 Terms and definitions
For the purp ses of doc ment, the terms an definition given in IEC 6 9 7-1, as wel as the
Chan e-over contact elements 2.3.3.5
Contact element (of a control switc ) 2.3.3
Contact u it 2.3.3.10
Control circ it device 2.1.1
Control station 2.1.4
Control switc 2.1.2
Control switc s ita le for isolation 2.1.3
Covered pu h-buton 2.2.2.1
D
d-delay (of a contact element 2.4.1.2
Definite p sition (a breviation: p sition) (of a rotary switc ) 2.4.3.1
Delayed action pu h-buton 2.2.2.9
De en ent action contact element 2.3.3.9
Dif erential value 2.4.2.4
Direct drive 2.4.4.3
Double ga contact element 2.3.3.2
E
e-delay (of a contact element 2.4.1.1
Electricaly se arated contact elements 2.3.3.7
En sto 2.3.6
Trang 17Limited movement rotary switc 2.2.2.17
L catin mec anism (of a rotary switc ) 2.3.5
L ck d p sition 2.4.3.6
L ck d pu h-buton 2.2.2.6
M
Ma e-contact element 2.3.3.3
Minimum actuatin force (or moment 2.4.4.7
Over- ravel of the actuator 2.4.4.2
Over- ravel of the contact element 2.4.4.9
P
Pi ot switc es 2.2.1
Trang 18Position switc 2.2.1.3
Positive drive 2.4.4.4
Pre- ravel of the actuator 2.4.4.1
Pre- ravel of the contact element 2.4.4.8
Rotary control switc 2.2.2.15
Rotary buton (selector switc ) 2.2.2.4
Note 1 to e try: Co trol circ it d vic s c n in lu e as o iate d vic s d alt with in oth r sta d rds, su h as
instrume ts, p te tiometers, rela s, in so far as as o iate d vic s are use for th p rp sessp cifie a o e
2.1.2
control switc ( or control an au i ary circ its)
a mec anical switc in device whic serves the purp se of control n the o eration of
switc ge r or controlge r, in lu in sig al n , electrical interlockin , etc
Note 1 to e try: A c ntrol switc c nsists of o e or morec nta t eleme ts with a c mmo a tu tin system
Trang 19[SOURCE: IEC 6 0 0-4 1:19 4, 4 1-14-4 , modified – Ad ition of a new Note 2 to entry.
2.1.3
control switc s itable for isolation
a control switc whic , in the o en p sition, compl es with the req irements sp cified for the
isolatin fu ction (se 2.1.19 an 7.1.7 of IEC 6 9 7-1:2 0 )
Note 1 to e try: Su h c ntrol switc es are inte d d to pro id a hig er d gre of safety to p rso n l wh n
workin o th e uipme t c ntrole For this re so , th y h v to b ma u ly a tu te relyin o th intel g n e
of instru te p rso s to re ct inc se th y wo ldfai to o erate, e.g.in c se of insuficie tly o e e c nta ts
2.1.4
control station
an as embly of one or more control switc es fixed on the same p nel or located in the same
en los re
Note 1 to e try: A c ntrol statio p n l or e closure ma also c ntain relate e uipme t, e.g p te tiometers,
sig al lamps, instrume ts, etc
[SOURCE: IEC 6 0 0-4 1:19 4, 4 1-12-0 ]
2.2 Control switc e
2.2.1
a tomatic control switc e
Note 1 to e try: Automatic c ntrol switc es are o erate b a tomatic c ntrol (se 2.4.5 of IEC 6 9 7-1:2 0 )
Th y are also d sig ate as piot swic hes (se 2.2.18 of IEC 6 9 7-1:2 0 )
2.2.1.1
insta ta eous conta tor rela
a contactor relay o eratin without an intentional time delay
Note 1 to e try: Unles oth rwise state , a c nta tor rela is a insta ta e us c nta tor rela
[SOURCE: IEC 6 0 0-4 1:19 4, 4 1-14-3 ]
2.2.1.2
time-dela conta tor rela
a contactor relay with sp cified time-delay c aracteristic
Note 1 to e try: Th time-d la ma b as o iate with e ergizatio (e-d la ) or with d -e ergizatio (d-d la ) or
b th
Note 2 to e try: A time-d la c nta tor rela ma also in orp rate insta ta e us c nta t eleme ts
[SOURCE: IEC 6 0 0-4 1:19 4, 4 1-14-3 , modified – ad ition of a new Note 2 to entry
Trang 202.2.2
ma ual y operate control switc e
Note 1 to e try: Ma u ly o erate c ntrol switc es are o erate b ma u l c ntrol (se 2.4.4 of IEC 6 9
7-1:2 0 )
2.2.2.1
pus -but on
a control switc havin an actuator inten ed to b o erated by force exerted by a p rt of the
h man b d , u ual y the fin er or p lm of the han , an havin stored energ (sprin ) return
[SOURCE: IEC 6 0 0-4 1:19 4, 4 1-14-5 ]
2.2.2.2
pul -but on
a control switc havin an actuator inten ed to b o erated by man al pul , an havin stored
energ (sprin ) return
a combination of pu h-buton typ switc in elements havin an actuator o erated by a
man al rotation (se also 2.2.2.15 to 2.2.2.18 in lu ive)
EX MPLE A sele tor switc
Note 1 to e try: A rotary p sh-b to ma h v more th ntwo p sitio s; it ma or ma n t h v a sprin return
2.2.2.5
latc e pu h-but on
a pu h-buton with sprin return, but whic remain in the actuated p sition u ti a latc is
rele sed by a se arate action
Note 1 to e try: Th latc in ma b rele se b su se u nt a tu tio (su h as p shin , turnin , etc.) of th
same or of a a ja e t p sh-b to or b th a tio of a ele troma n t, etc
2.2.2.6
loc e pus -but on
a pu h-but on whic may b sec red in one or more of its p sition by a se arate action
Note 1 to e try: Th lo kin ma b o tain d b turnin th b to , b turnin a k y, b o eratin a le er, etc
2.2.2.7
k y-o erate pus -but on
a pu h-but on whic can only b o erated as lon as a k y remain in erted
Note 1 to e try: Ke with rawal ma b pro id d at a y p sitio
2.2.2.8
time-dela pus -but on
a pu h-but on the contacts of whic return to the initial p sition only af er a pre-determined
interval of time fol owin the rele se of the actuatin force
Trang 212.2.2.9
dela e a tion pus -but on
a pu h-but on in whic the switc in o eration do s not oc ur u ti afer the force on the
but on has b en maintained for a pre-determined interval of time
a pu h-but on in whic the rotation of the actuator aroun its axis is prevented
Note 1 to e try: Ex mples of g id d p sh-b to s: th a tu tors of whic are k y d, sq are or re ta g lar,etc
k y-o erate rotary switc
a rotary switc where a k y is u ed as the actuator
Note 1 to e try: Ke with rawal ma b pro id d at a y p sitio
a control switc havin an actuator con istin of a pin or stick projectin es ential y at a rig t
an le from the p nel or en los re when in one of its p sition an inten ed to b o erated by
an ular displacement
Note 1 to e try: A jo stic ma h v more th n two p sitio s as o iate with difere t dire tio s of th
displa eme t of th stic a d o eratin th c nta t eleme ts difere tly: su h a jo stic is refere to as a jo
stic sele tor
Trang 22a control switc havin an actuator inten ed to b o erated by force exerted by a fo t
[SOURCE: IEC 6 0 0-4 1:19 4, 4 1-14-5 , modified – in ertion of "force exerted by"
2.3 Parts of control switc e
an element desig ed to switc the c r ent of an electric circ it by me n of the control ed
con u tivity of a semicon u tor
2.3.3
conta t eleme t
<control switc > the p rts, fixed an mova le, con u tin an in ulatin , of a control switc
neces ary to close an o en one sin le con u tin p th of a circ it
Note 1 to e try: Th c nta t eleme t a d th a tu tin system ma form a in ivisible u it, b t fre u ntly o e or
more c nta t eleme ts ma b c mbin d with o e or more a tu tin system or systems Th a tu tin systems
ma b difere t
Note 2 to e try: Terms a d d finitio s relatin to v rio s kin s of c nta t eleme ts are giv n in 2.3.3.1 to
2.3.3.10in lusiv
Note 3 to e try: This d finitio d es n t in lu ec ntrol c is a d ma n t systems
The fol owin definition refer to a sin le contact element of a control switc :
2.3.3.1
single gap conta t eleme t
a contact element whic o en or closes the con u tin p th of its circ it on one location only
Note 1 to e try: Se Fig res 4 a) a d 4 c)
Trang 23a contact element whic o en or closes a circ it for a p rt of the travel d rin the tran ition
of the actuator from one p sition to another
2.3.3.7
ele tric l y s parate conta t eleme ts
contact elements b lon in to the same control switc , but adeq ately in ulated from e c
other so that they can b con ected into electrical y se arated circ its, whic can b either
same p larity or o p site p larity
[SOURCE: IEC 6 0 0-4 1:19 4, 4 1-15-2 , modified – s p lemented by polarity statement]
2.3.3.8
indepe de t a tion conta t eleme t
s ap a tion conta t eleme t
a contact element of a man al or automatic control device in whic the velocity of contact
motion is s bstantial y in e en ent of the velocity of motion of the actuator
2.3.3.9
depe d nt a tion conta t eleme t
a contact element of a man al or automatic control device in whic the velocity of contact
motion de en s on the velocity of motion of the actuator
2.3.3.10
conta t u it
a contact element or contact element combination whic can b combined with simi ar u its
o erated by a common actuatin s stem
Trang 24a device that l mits the travel of a movin p rt
Note 1 to e try: An e d sto ma relate eith r to th a tu tor or to th c nta t eleme t
2.4 Operation of control switc e
2.4.1 Operation of conta tor rela s
2.4.1.1
e -dela
<contact element> a delay in the o eration of a contact element of a contactor relay, fol owin
the energization of the coi of the electromag et of this contactor relay
EX MPLE: Dela to close ma e-c nta ts (ON d la )
Note 1 to e try: Th terms 'e-d la " a d "d-d la " ma b a ple to a y kin of c nta t eleme ts (se 2.3.3)
2.4.1.2
d-d la
<contact element> a delay in the o eration of a contact element of a contactor relay, fol owin
the de-energization of the coi of the electromag et of this contactor relay
EX MPLE: Dela to o e ma e-c nta ts (OF d la )
Note 1 to e try: Th terms 'e-d la " a d "d-d la " ma b a ple to a y kin of c nta t eleme ts (se 2.3.3)
2.4.1.3
fix d dela
<contact element> a delay in the o eration of a contact element of a contactor relay, whic is
not inten ed to b adju ted in value
2.4.1.4
a justable dela
<contact element> a delay in the o eration of a contact element of a contactor relay, whic is
inten ed to b adju ted to dif erent values af er the in tal ation of the contactor relay
Trang 25the value of the actuatin q antity whic has to b re-esta l s ed in order to cau e an
actuated pi ot switc to return to its p sition of rest
2.4.2.4
dif ere tial v lu
the diferen e b twe n the o erating value an the return value
2.4.3 Operation of rotary switc e
2.4.3.1
definite position (of a rotary switc )
a p sition into whic the locatin mec anism pul s the rotary switc an retain it as lon as
the actuatin moment do s not ex e d a certain value
2.4.3.2
position of re t
a sta le (definite) p sition into whic the locatin mec anism ten s to move b ck an retain
the rotary switc by stored energ
2.4.3.3
tra sit position
a (definite) p sition in whic the locatin mec anism prod ces an inten ed mark d c an e in
the o eratin moment, but in whic the actuator can ot remain by itself
2.4.3.4
bia e position
a (definite) p sition of a rotary switc in whic the actuator is pul ed again t a sto from whic
it wi return to a p sition of rest by me n of stored energ ( or example, by me n of a
sprin )
Note 1 to e try: Durin th tra sfer from a biase p sitio to th a ja e t p sitio of rest, th rotary switc ma
p s thro g o e or more tra sit p sitio s
2.4.3.5
latc e position
a biased p sition in whic the return mec anism is held by a latc in ar angement
Note 1 to e try: Th latc in ar a g me t ma b rele se ma u ly or oth rwise
2.4.3.6
loc e position
a (definite) p sition in whic a rotary switc is sec red by se arate action
Note 1 to e try: Th lo kin ma b o tain d b turnin a k y, o eratin a le er, etc
2.4.3.7
operatin dia ram
the re resentation of the inten ed order in whic the contact elements of a rotary switc
o erate as a res lt of actuation
Trang 262.4.4 Operation of me ha ic l y operate control switc e
2.4.4.1
pre-tra el of the a tuator
the maximum travel of the actuator whic cau es no travel of the contact elements
Note 1 to e try: Se Dime sio a o Fig re 2
a con ection b twe n actuator an contact element s c that the force a pl ed to the actuator
is directly tran mited to the contact element
the minimum value of the force (or moment to b a pl ed to the actuator that wi cau e al
contacts to re c their closed (o en) p sition
2.4.4.8
pre-tra el of the conta t eleme t
the relative movement whic oc urs within the contact element b fore the contacts ma e
for a contact whic is closin /o enin its circ it, time interval b twe n the in tant when the
contact circ it first closes/o en an the in tant when the circ it is final y closed/o ened
Trang 273 Clas ific tion
3.1 Conta t eleme ts
Contact elements may b clas ified as fol ows:
a) Uti zation categories (se 4.4)
b) Electrical ratin s b sed on uti zation categories (se An ex A)
c) One of the fol owin form leters (se Fig re 4):
1) Form A – Sin le ga ma e-contact element;
2) Form B – Sin le ga bre k-contact element;
3) Form C – Sin le ga ma e-bre k thre terminal c an e-over contact element;
4) Form X – Double ga ma e-contact element;
5) Form Y – Double ga bre k-contact element;
6) Form Z – Double ga ma e-bre k four terminal c an e-over contact element
d) Other typ s not in lu ed in c)
NOT 1 Re ardin Fig re 4 ) th two mo in c nta t eleme ts are ele tric ly se arate (se 2.3.3.7)
NOT 2 Distin tio is ma e b twe n ma e b fore bre k (o erla ) c a g -o er c nta t eleme ts wh re th two
circ its are b th close for a p rt of th tra el of th mo in c nta ts from o e p sitio to th oth r, a d bre k
b fore ma e (n n-o erla ) c a g -o er c nta t eleme ts wh re th two circ its are b th o e for a p rt of th
tra el of th mo in c nta ts from o e p sitio to th oth r Unles oth rwise state , c a g -o er c nta t
eleme ts are bre k b fore ma e
3.2 Control switc e
Control switc es may b clas ified ac ordin to the contact element an the nature of the
actuatin s stem, e.g pu h-buton , form X
3.3 Control circ it de ic s
Control circ it devices may b clas ified ac ordin to the control switc an the as ociated
control circ it eq ipment, e.g pu h-but on plu in icator l g ts
3.4 Time dela switc in eleme ts
Distin tion is made ac ordin to how the time delay of a switc in element is ac ieved, e.g
electrical delay, mag etic delay, mec anical delay, or pneumatic delay
3.5 Control switc mounting
The control switc mou tin may b clas ified by the mou tin hole size, e.g D12, D16, D2 ,
D3 (se 6.3.1)
4 Characteristics
4.1 Summary of c ara teristic
4.1.1 Ge eral
The c aracteristic of control circ it devices an switc in elements s ould b stated in the
fol owin terms, where s c terms are a pl ca le:
• typ of eq ipment (se 4.2);
• rated an l mitin values for switc ing elements (se 4.3);
Trang 28• normal an a normal lo d c aracteristic (se 4.3.6).
4.1.2 Operation of a control switc
The prin ip l a pl cation of a control switc is the switc in of lo d as in icated for the
variou uti zation categories in Ta le 1
Other a pl cation , e.g the switc in of tu g ten fi ament lamps, smal motors, etc are not
de lt with in detai in this stan ard, but are mentioned in 4.3.6.2
4.1.2.1 Normal conditions of us
The normal u e of a control switc is to close, maintain an o en circ its in ac ordan e with
the uti zation category s own in Ta le 1 Also refer to Ta le 4
4.1.2.2 Abnormal conditions of us
Abnormal con ition may arise, for example, when an electromag et, althou h energized, has
fai ed to close Refer to Ta le 5
A control switc s al b a le to bre k the c r ent cor esp n in to s c con ition of u e
4.2 Type of control circ it de ic or switc ing eleme t
4.2.1 Kind of control circ it d vic
The kin of control circ it device s al b stated:
• man al control switc es, e.g pu h-buton , rotary switc es, fo t switc es, etc
• electromag etical y o erated control switc es, either time delayed or in tantane u , e.g
contactor relay ;
• pi ot switc es, e.g pres ure switc es, temp rature sen itive switc es ( hermostats),
programmers, etc
• p sition switc es;
• as ociated control eq ipment, e.g in icator l g ts, etc
4.2.2 Kind of switc ing eleme ts
The kin of switc in elements s al b stated:
• au i ary contacts of a switc in device (e.g contactor, circ it bre k r, etc.) whic are not
dedicated ex lu ively for u e with the coi of that device;
• interlockin contacts of en los re do rs;
• control circ it contacts of rotary switc es;
• control circ it contacts of overlo d relay
Trang 29The method of o eration s al b stated:
Man al, electromag etic, pneumatic, electro-pneumatic
4.2.6.2 Method of control
The method of control s al b stated:
• automatic;
• non-automatic;
• semi-automatic
4.3 Rate a d l miting v lue for switc ing eleme ts
The rated values esta l s ed for the switc in elements of a control circ it device s al b
stated in ac ordan e with 4.3.2 to 4.3.6 in lu ive but it is not neces ary to sp cify al the
values l sted
4.3.2 Rate volta e (of a switc in eleme t)
A switc in element is defined by the rated voltages des rib d in 4.3.2.2 to 4.3.2.4
4.3.2.2 Rate o erational volta e (U
e)
Subclau e 4.3.1.1 of IEC 6 9 7-1:2 0 a pl es with the fol owin ad ition :
For thre -phase circ its, U
e
is stated as r.m.s voltage b twe n phases
NOT A switc in eleme ts c n b as ig e a n mb r of c mbin tio s of rate o eratio al v lta e a d rate
o eratio al c re t
Control switc es de lt with in this stan ard are not normal y inten ed to b u ed at very low
voltages an they may not b s ita le for s c a service It is therefore recommen ed to se k
the ad ice of the man facturer con ernin an a plcation with a low value of o erational
voltage, e.g b low 10 V a.c or d.c
4.3.2.3 Rate ins lation volta e (U
i)
Subclau e 4.3.1.2 of IEC 6 9 7-1:2 0 a pl es
4.3.2.4 Rate impuls withsta d volta e (U
imp)
Subclau e 4.3.1.3 of IEC 6 9 7-1:2 0 a pl es
Trang 304.3.3 Cur e ts
A switc in element is c aracterized by the c r ents des rib d in 4.3.3.1 to 4.3.3.3
4.3.3.1 Conv ntional fre air thermal c r e t (I
th)
Subclau e 4.3.2.1 of IEC 6 9 7-1:2 0 a pl es
4.3.3.2 Conv ntional e clos d thermal c r e t (I
th)
4.3.6 Normal a d abnormal loa c ara teristic
4.3.6.1 Rate ma ing a d bre kin c pa itie a d be a iour of switc ing eleme ts
under normal conditions
A switc in element s al comply with b th req irements given in Ta le 4 cor esp n in to
the as ig ed uti zation category an the req irements ac ordin to the rated o erational
voltage
NOT For a switc in eleme t to whic a uti zatio c te ory is as ig e , it is n t n c s ary to sp cify se arately
a ma in a d bre kin c p city
A switc in element desig ated for the switc in of smal motors an tu g ten fi ament lamp
lo d s al b as ig ed a uti zation category given in IEC 6 9 7-4-1 an comply with the
a pro riate cor esp n in req irements in that publ cation
4.3.6.2 Ma ing a d bre king c pa itie un er abnormal conditions
A switc in element s al comply with the req irements given in Ta le 5 cor esp n in to the
as ig ed uti zation category
NOT An e ample of a a n rmal c n itio of use is o e wh re th ele troma n t d es n t o erate a d th
switc in eleme ts h v to interu t th ma in c re t
4.3.7 Short-circ it c ara teristic
4.3.7.1 Rate condition l s ort-circ it c r e t
Subclau e 4.3.6.4 of IEC 6 9 7-1:2 0 a pl es
4.4 Uti ization c te orie for switc in eleme ts
The uti zation categories as given in Ta le 1 are con idered stan ard An other typ s of
a pl cation s al b b sed on agre ment b twe n man facturer an u er, but information
given in the man facturer's catalog e or ten er may con titute s c an agre ment
Trang 31Table 1 – Uti ization c te orie for switc in eleme ts
Altern tin c r e t A -12 Co trol of resistiv lo ds a d sold statelo ds with isolatio b o to o plers
A -13 Co trol of sold state lo ds with tra sformer isolatio
A -14
Co trol of smal ele troma n tic lo ds (≤ 7 V )
A -15 Co trol of ele troma n tic lo ds(> 7 V )
Dire t c r e t D -12 Co trol of resistiv lo ds a d soldstate lo ds with isolatio b o to o plers
4.10 Electric l y s parate conta t eleme ts
The man facturer s al state whether the contact elements of a control circ it device are
electricaly se arated or not (se 2.3.3.7) Se arated contact elements s al b as umed to
b o p site p larity u les otherwise stated by the man facturer
4.1 Actuating q a titie for pi ot switc e
The o eratin value an return value of the actuatin q antity are to b determined on
u iform risin values an normal fal n values of the actuatin q antity Unles otherwise
stated, the rate of c an e s al b reg lar an s c that the o eratin (or return) value is
re c ed in not les than 10 s
The o eratin value an the return value may b th b fixed values, or one of them or b th
may b adju ta le (or the dif erential value may b adju ta le)
Where a pro riate, the man facturer s al in icate a with tan value, either a maximum value
hig er than the hig est set in of the o eratin value or a minimum value lower than the
lowest set in of the return value A with tan value impl es no damage to the pi ot switc or
no c an e in its c aracteristic
4.12 Pi ot switc e ha in two or more conta t eleme ts
Pi ot switc es havin two or more contact elements whic are not in ivid al y adju ta le may
have diferent o eratin an return values for e c contact element
A pi ot switc havin two or more contact elements whic are in ivid al y adju ted is
con idered as a combination of pi ot switc es
5 Product information
5.1 Nature of information
Trang 32Ide tficato
a) The man facturer's name or trade mark
b) A typ desig ation or serial n mb r that ma es it p s ible to get the relevant information
con ernin the switc in element (or the entire control switc ) from the man facturer or
from his catalog e or by selection from An ex A
c) IEC 6 9 7-5-1 if the man facturer claims complan e with this stan ard
Basic rate d v lu es a d u ti zato
d) Rated o erational voltages (se 4.3.2.2)
e) Uti zation category an rated o erational c r ents at the rated o erational voltages of the
control circ it device
f Rated in ulation voltage (se 4.3.2.3)
g) Rated impulse with tan voltage (se 4.3.2.4)
m) Suitabi ty for isolation, where a pl ca le, with the s mb l S0 2 8 of IEC 6 617
n) In ication of contact elements of same p larity
o) L n th of in ulation to b removed b fore in ertion of the con u tor into the terminal
p) For non-u iversal s rewles terminals:
– “s” or "sol" for terminals declared for rigid-sol d con u tors;
– " " for terminals declared for rigid (sold an stran ed) con u tors;
– "f" for terminals declared for flexible con u tors
5.2 Marking
Markin of data u der a) an b) of 5.1 is man atory on the name late of the control circ it
device in order to p rmit the complete information to b o tained from the man facturer
Markin of data u der n) of 5.1 s al b in lu ed on the name late of the control circ it
device in order to en ure pro er wirin at in talation
Markin s al b in elble an e si y legible, an s al not b placed on s rews an
remova le was ers
Whenever sp ce p rmits, data u der c) to m) an o) of 5.1 s al b in lu ed on the
name late, or on the control circ it device or otherwise in the man facturer's publ s ed
l terature
The in ication "s", "sol", " " or "f" for non-u iversal s rewles terminals s al b mark d on the
device or, if the sp ce avai a le is not s f icient, on the smal est p ck ge u it or in tec nical
information provided with the prod ct
5.2.2 Terminal ide tific tion a d marking
Trang 335.2.3 Function l marking
Actuators may b identified by s mb ls in the form of en ravin s If a sto -but on car ies an
s mb l en raved or mark d on the actuator, then this s mb l s al b a circle or an oval
(sig ifyin the value zero) The s mb ls circle or oval s al b u ed for sto -but on only
L t ers or word may b u ed where the sp ce avai a le is s ficient to en ure a cle r
identification In al other cases, identification markin s s al b placed on p rmanent la els
s r ou din e c actuator or closely adjacent to it
Symb ls s al b in ac ordan e with IEC 6 417
5.2.4 Emerge c stop
Actuator s a e an colour, b ckgrou d colour an direction of u latc in for emergen y sto
devices with mec anical latc in fu ction s al b in ac ordan e with 4.2 of IEC 6 9 7-
5-5:19 7/AMD2:2 16
5.2.5 Operating dia ram
As rotary switc es may have a multiplcity of contact elements an a multipl city of actuator
p sition , it is neces ary that the man facturer in icates the relation hip b twe n the
actuator p sition an the as ociated contact element p sition
It is recommen ed that the relation hip b given in the form of an o eratin diagram,
examples of whic are s own in Fig re 1 together with explanatory notes
5.2.5.2 Position in ic tion a d conta t position
Subclau e 7.1.6.1 of IEC 6 9 7-1:2 0 /AMD1:2 10 a pl es with the fol owin ad ition:
The p sition in ication s al b cle r, an the as ociated text or s mb ls s al b in el ble
an e si y legible
5.2.5.3 Terminal markings for operating dia rams
Terminal markin s s al b cle rly identifia le with resp ct to the o eratin diagram Se also
An ex M
5.2.6 Time dela markings
For time-delay contactor relay , the markin s s al in lu e the value of the time delay in the
case of a fixed delay an the ran e of time delay in the case of an adju ta le delay
In the case of more than one time-delay contact element, the relative delay b twe n the
o eration of e c contact element an the fol owin one may b in icated for contact
elements that folow the first delay
If two or more contact elements have adju ta le delay , it s al b in icated whether they are
Trang 345.4 Ad itional information
Ad itional information neces ary for certain typ s of control circ it devices s al a p ar
ac ordin to the relevant rules of the a pro riate An exes J an K
Su h ad itional information s al b s p led by the man facturer an may b in the form of a
wirin diagram or in the in tru tion s e t s p led with the control circ it device
6 Normal service, mounting and transport c nditions
Clau e 6 of IEC 6 9 7-1:2 0 /AMD1:2 10/AMD2:2 14 a ples with the fol owin ad ition :
6.1.3.2 Pol ution d gre
Unles otherwise stated by the man facturer, a control circ it device is inten ed for in tal
-lation u der en ironmental con ition of p l ution degre 3 However, other p l ution degre s
may a ply, de en in up n the micro-en ironment
6.3.1 Mounting of single hole mounte de ic s
The sin le hole mou ted pu h-but on an in icator l g ts are located in a circ lar hole of the
p nel, whic may have a rectan ular reces for a k y
0,3
00,3
0,4+
D2
4,0
03,2
01,2
02,3+
D16
2,0
02,
16
0,
17
0,1+
D12
2,0
01,
12
0,
13
0,1+
6.3.1.1 Loc tion of the k y re e s (if a y)
The stan ardized p sition of the k y is in the up p sition (12 o'clock) an as ociated with the
b dimen ion in Ta le 3
6.3.1.2 Ra ge of pa el thic ne s
The device, with or without the se l n gask t in icated by the man facturer, s al b ca a le
of b in mounted on an thicknes of p nel b twe n 1 mm an 6 mm, if neces ary by the u e
of p ckin piece(s) s p l ed for the purp se
NOT Th se ln g sk t is n t sta d rdize
Trang 356.3.1.3 Grouping of d vic s
When a n mb r of devices of the sizes given in 6.3.1 are mou ted in rows on a p nel, the
distan es a b twe n the mou tin centres in the same row an b b twe n the centre lnes of
the rows s al b not les than those given in Ta le 3, u les otherwise stated by the
man facturer
Table 3 – Prefer e minimum dista c s
betwe n c ntre of mounting hole
These values are inten ed to g ide develo ment; however, when it is inten ed to mou t
devices of dif erent man facture, the u er s al esta l s the comp tibi ty of the devices an
en ure the cle ran es an cre p ge distan es are maintained when the devices are in tal ed
an con ected
NOT De e din o d sig d tais, c n e tio s, la els, etc some d vic s c n b c p ble of b in mo nte at
dista c s les th n th se giv n in Ta le 3 in a c rd n e with th in ic tio of th ma ufa turer of th d vic s On
th oth r h n , c rtain ty es of d vic s c n re uire dista c s gre ter th n th se giv n in Ta le 3
7 Constructional and performance requirements
7.1 Constructional re uireme ts
7.1.1 Ge eral
Subclau e 7.1 of IEC 6 9 7-1:2 0 /AMD1:2 10/AMD2:2 14 a pl es ex e t for 7.1.2, 7.1.3,
7.1.7, 7.1.9 an 7.1.13, an with the fol owin ad ition :
7.1.2 Materials
7.1.2.1 Ge eral materials re uireme ts
Subclau e 7.1.2.1 of IEC 6 9 7-1:2 0 /AMD1:2 10 a pl es with the fol owin ad ition:
Sp cial atention s al b cal ed to h midity resistin q al ties, an to the neces ity to protect
certain in ulatin materials again t h midity
Trang 36d) providin data from the in ulatin material s p l er fulfi in the req irements ac ordin to
IEC 6 6 5-2-12
The s ita i ty s al b determined with resp ct to resistan e to a normal he t an fire The
man facturer s al in icate whic method , amon st a), b), c) an d) s al b u ed
If an identical material havin re resentative cros -section has alre d satisfied the
req irements of an of the tests of 8.2.1 of IEC 6 9 7-1:2 0 /AMD1:2 10, then those tests
7.1.3 Cur e t-c r ying parts a d their con e tions
Cur ent car yin p rts s al have the neces ary mec anical stren th an c r ent car yin
ca acity for their inten ed u e
For electrical con ection , no contact pres ure s al b tran mited throu h in ulatin
material other than ceramic or other material with c aracteristic not les s ita le, u les
there is s ficient resi en y in the metal c p rts to comp n ate for an p s ible s rink ge or
yieldin of the in ulation material
7.1.4 Cle ra c s a d cre pa e dista c s
Subclau e 7.1.4 of IEC 6 9 7-1:2 0 /AMD2:2 14 a pl es
7.1.5.3 Actuating forc (or mome t)
The force (or moment req ired to o erate the actuator s al b comp tible with the inten ed
a pl cation, ta in into ac ou t the size of the actuator, the typ of en los re or p nel, the
en ironment of the in tal ation an the u e for whic it is inten ed
7.1.5.4 Limitation of rotation (of a rotary switc )
When actuators with lmited or u idirectional movement are u ed, they s al b fit ed with
ro u t me n of l mitation, ca a le of with tan in five times the actual maximum actuatin
moment
7.1.5.5 Emerge c stop
The actuator s al prefera ly latc in the actuated p sition with the control contact o en This
latc in s al b rele sed by a se arate action, e.g by pul n , rotation, or by me n of a k y
NOT Ad itio al re uireme ts for emerg n y sto d vic s with a latc in fu ctio are giv n in IEC 6 9 7-5-5
Trang 377.1.7 Conditions for control switc e s itable for isolation
A control switc s ita le for isolation s al b man al y o erated with a direct o enin action
(se An ex K) an s al comply with the isolatin fu ction in the o en p sition (se 2.1.19
an 7.1.7 of IEC 6 9 7-1:2 0 /AMD1:2 10/AMD2:2 14)
The o en p sition of a control switc s ita le for isolation s al b a p sition in whic the
switc can remain when no actuatin force is a pl ed
In order to avoid u intentional reclosin , it s al b p s ible to prevent the o eration of the
control switc es s ita le for isolation when the contact elements are in the o en p sition
This may b o tained by p dlockin or by a latc whic s al only b rele sa le by a sp cial
to l or k y
7.1.8 Terminals
The req irements of this s bclau e s al be verified by the tests of 8.2.4 of this stan ard
7.1.14 Cla s I control circ it de ic s
These devices s al not b provided with me n for protective e rthin (se IEC 61 4 )
For clas I control circ it devices in ulated by en a s lation, se An ex F
7.1.15 Re uireme ts for control de ic s with inte ral y conn cte c ble
Se An ex G
7.2 Performa c re uireme ts
Subclau es 7.2.1.1 an 7.2.2 of IEC 6 9 7-1:2 0 /AMD1:2 10/AMD2:2 14 a ply with the
fol owin ad ition :
7.2.1.2 Limits of operation of conta tor rela s
The l mits of o eration for contactor relay s al b in ac ordan e with IEC 6 9 7-4-1
7.2.3 Diele tric pro ertie
Subclau e 7.2.3 of IEC 6 9 7-1:2 0 /AMD1:2 10/AMD2:2 14 a pl es with the folowin
ad ition
For Clas I control circ it devices in ulated by en a s lation, se An ex F
7.2.4 Abi ity to ma e a d bre k u der normal a d abnormal loa con itions
7.2.4.1 Ma ing a d bre king c pa itie
a) Ma in a d b re akin cap aci es under n rmal co di o s
The switc in elements s al b ca a le of ma in an bre kin c r ents without fai ure
u der the con ition stated in Ta le 4, for the req ired uti zation categories an the
n mb r of o eratin c cles in icated, u der the con ition sp cified in 8.3.3.5.3
NOT In th Unite States of Americ a d in Ca a a it is esta lsh d th t th switc in eleme ts are c p ble of
ma in a d bre kin c re ts with ut faiure u d r th c n itio s state for th ele tric l ratin s b se o
uti zatio c te ories (e.g A6 0) state in Ta le A.1 in An e A.Se Fe eral re ulatio sa d pro u t sta d rds
b) Ma in a d b re kin ca aci es under ab normal co di o s
Trang 38The switc in elements s al b ca a le of ma in an bre kin c r ents without fai ure
u der the con ition ac ordin to 8.3.3.5.4 an stated in Ta le 5, for the req ired
uti zation categories an the n mb r of o eratin c cles sp cified in Ta le 5
7.2.4.2 Va a t
7.2.4.3 Durabi ty
Subclau e 7.2.4.3 of IEC 6 9 7-1:2 0 /AMD1:2 10 a pl es with the fol owin ad ition :
a) Mech nical durab il y
The mec anical d ra i ty of a control circ it device is verified, when ne ded, by a sp cial
test con u ted at the dis retion of the man facturer In tru tion for con u tin this test
are given in An ex C
b) Electrical durab il y
The electrical d ra i ty of a control circ it device is verified, when ne ded, by a sp cial
test con u ted at the dis retion of the man facturer In tru tion for con u tin this test
7.2.7 Ad itional re uireme ts for control switc e s itable for isolation
Control switc es s ita le for isolation s al b tested ac ordin to 8.3.3.4 of
IEC 6 9 7-1:2 0 /AMD1:2 10/AMD2:2 14 with a value of test voltage as sp cified in Ta le
14 of IEC 6 9 7-1:2 0 cor esp n in to the rated impulse with tan voltage U
For eq ipment in orp ratin electronic circ its the maximum recovery time an the me s rin
method s al b stated by the man facturer
7.3 Ele troma netic compatibi ity (EMC)
7.3.1 Ge eral
Subclau e 7.3.1 of IEC 6 9 7-1:2 0 /AMD1:2 10 a ples with the fol owin ad ition :
The control circ it device to b tested s al have al the es ential desig detais of the typ
whic it re resents an s al b in a cle n an new con ition
The EMC tests s al b con u ted at rated o erational voltage U
e, or if the rated o erational
voltage is given as a ran e, then the test s al b con u ted at a voltage whic re resents the
worst case con ition
Maintenan e or re lacement of p rts d rin or afer a testin c cle is not p rmited
General y two en ironments A an B are defined The prod cts covered by this stan ard are
inten ed for u e in en ironment A
Trang 39Contactor relay in orp ratin electronic circ its s al fol ow the req irements of 8.3.2.2 of
Req irements are stated in IEC 610 0-4-2 an Ta le 8
7.3.2.5 Ra iate ra io-fre ue c ele tromag etic fields
Req irements are stated in IEC 610 0-4-3 an Ta le 8
If the worst case direction is known, then the test ne d only b p rformed in that direction
Otherwise, the electromag etic field s al b facin to the device u der test in thre mutual y
p rp n ic lar direction
7.3.2.6 Ele tric l fa t tra sie ts/bursts
Req irements are stated in IEC 610 0-4-4 an Ta le 8
7.3.2.7 Surge
Req irements are stated in IEC 610 0-4-5 an Ta le 8
7.3.2.8 Conducte disturba c s in uc d by ra io-fre ue c fields
Req irements are stated in IEC 610 0-4-6 an Ta le 8
7.3.2.9 Power-fre ue c ma netic fields
Req irements are stated in IEC 610 0-4-8 an Ta le 8
7.3.2.10 Volta e dips a d inter uptions
Req irements are stated in IEC 610 0-4-1 an Ta le 8
7.3.2.1 Harmonic in th s pply
Req irements are stated in IEC 610 0-4-13 an Ta le 8
Trang 407.3.3 Emis ion
7.3.3.1 Equipme t not in orporatin ele tronic circ its
Subclau e 7.3.3.1 of IEC 6 9 7-1:2 0 /AMD1:2 10/AMD2:2 14 a ples
7.3.3.2 Equipme t in orp rating ele tronic circ its
7.3.3.2.1 Limits for high-fre u nc emis ions
Control circ it devices in lu in electronic circ its can generate contin ou electromag etic
disturb n es
Su h emis ion s al not ex eed the l mits given in CISPR 1 for en ironment A These tests
are only req ired when the control an /or au i ary circ its contain comp nents with
fu damental switc in freq en ies gre ter than 9 kHz
7.3.3.2.2 Limits for low-fre ue c emis ion
Subclau e 7.3.3.2.2 of IEC 6 9 7-1:2 0 /AMD1:2 10 a pl es
NOT Th se re uireme ts are n t a plc ble for d vic s th t wi n t b c n e te to p blc mains
7.3.3.2.3 Conditions during me s reme t
Eac me s rement s al b p rformed in defined an re rod cible con ition
Des ription of the tests, test method an set ups are given in CISPR 1 Nevertheles ,
some modification or ad itional information ne ded for the practical a pl cation of the tests
are given in this stan ard
Control circ it devices whic are inten ed to b p wered by publ c main s p ly, therefore
within the s o e of IEC 610 0-3-2 an IEC 610 0-3-3, regardin low- req en y emis ion s al
also comply with the req irements of these stan ard