INTERNATIONAL STANDARD IS0 5867 l Fi rst ed i t i on 1 996 02 01 Aircraft Electromagnetic relays and contactors Part 1 General requirements ABronefs Relais et contacteurs &ectromagn&iques Partie I Exi[.]
IS0 IN TERN A TIO N A L STA N D A RD 5867-l Fi rs t ed i t i o n 996-02-01 Aircraft - Electromagnetic contactors Part : General requirements relays and ABronefs - Relais et contacteurs &ectromagn&iques - Partie I Exigences g&Wales -ggigc - =1 b&gp/.& Referen ce I S0 5867-l n u m ber , I 996(E) I S0 5867-1 : 996(E) Con ten ts P ag e S co pe N orm ati ve D efi n i ti on s G en eral req u i rem en ts Tem peratu re Seal i n g 4 Al ti tu d es D i m en si on s D esi g n req u i rem en ts Seal i n g en cl osu res I n stal l ati on G rou n d i n g speci fi cati on Co n tact En vi ron m en tal Tests Exam i n ati on Test m e th o d s Prod u cti on req u i rem en ts an d m ech an i cal req u i rem en ts pro d u ct fo r el ectri cal an d m ech an i cal req u i rem en ts 1 4 19 acceptan ce te sts 996 ri g h ts or u ti l i ze d m i cro fi l m , reserved in any in P o s tal e U n l ess fo rm wi th o u t I n tern ati o n al Cas e P ri n ted el ectri cal Qu al i fi cati on I S0 pro d u ct of 1 d etai l of Qu al i fi cati on Al l ii M ateri al s 2 sym bo l s Exam i n ati on cl ass sh eets P erfo rm an ce 1 cl earan ces Term i n al s 1 D etai l referen ces 4 or o th erwi se by an y pe rm i s s i o n Org an i zati o n 56 Swi tzerl an d l in wri ti n g fo r CH - 21 s peci fi ed , m ean s , no e l e ctro n i c fro m th e part or of pu bl i s h er Stan d ard i zati on G en eve 20 l th i s pu bl i cati o n m ech an i cal , Swi tzerl an d i n cl u d i n g m ay be repro d u ced ph oto copyi n g an d IS0 I S0 Qu al i fi cati on Reten ti on i n specti on of q u al i fi cati on 5867-1 : 996(E) Annexes A Exam pl e of B Bi bl i og raph y an i n di vi du al speci fi cati on sh eet Ill Foreword IS0 (the International Organization for Standardization) is a worldwide federation of national standards bodies (IS0 member bodies) The work of preparing International Standards is normally carried out through IS0 technical committees Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization Draft International Standards adopted by the technical committees are circulated to the member bodies for voting Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote International Standard IS0 5867-l was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC , Aerospace electrical requirements IS0 5867 consists of the following Aircraft - - Electromagnetic Part I: parts, under the general title relays and contactors: General requirements Annexes A and B of this part of IS0 5867 are for information only INTERNATIONAL - Ai rcraft Part I S0 IS0 El ectrom ag n eti c rel ays I S0 for part use of I S0 for in a c in This of part I S0 rating s cu rrents cl asses This of part or perform an ce and th e speci fi es and V 3-ph ase, A a c , th e A appl i cabl e, sealing are I S0 control l ed d c or be tactors, and rated 50 Auxili- to and th ree si ngl e-pole Characteristics of air- or el ectrom ag - mechani cally or m agneti call y 28 V d c or Environmental international conditions equipment Electrotechnical Vo- Chapter 446 Electrical relays Basic 7: 994, cedures I EC - environmental Part Tests Low-voltage 58-2: 982, Semiconductor contacters testing pro- Test Q Sealing controlgear - Part (solid state contactorsj and el ectrom ag neti cal l y of I EC 68-2-l 1 V, Defi n i ti on s For th e nitions pu rposes given in of this I EC 50 part (446) of and I S0 I EC 5867, th e 58-2 defi - apply H z a c N orm ati ve G eneral following through of this stan dards referen ce in part of I S0 edi tions i ndicated revision, of and I S0 possibility of were are applying i ndi cated m ntai n reg i sters text, At the valid parti es 5867 contain this 5867 stan dards Stan dards req u i rem en ts referen ces part - for airborne (446) : 990, at l ower h eld, by a vol tage Aircraft 71 37: 995, re- nomi nal g reater cl asses magneti call y l atch ed, having m ay is appli cable and operated perform an ce speci fi ed 5867 netically I S0 ch aracteri sti cs tactors tem peratu re and to Aerospace and test procedures cabulary - Three operated The 1984, re- tactors 1 V/200 having 5867 of rel ays 540: I EC relays m u l ti-pol e 400 28 V d c wh ere of the relays 540 for contacts, speci fi es system s I S0 qu i rem ents contact 5867 el ectrom agn eti c nominal H z, speci fi ed ary - craft electrical systems qu i rem en ts 400 tactors req u i rem en ts Scope This and 5867-1 : 996(E) 1: G en eral STANDARD to consti tu te ti m e All ag reem en ts bel ow of m ost to edi tions of valid th e are su bj ect on investi gate recent M em bers cu rrently provisions based Detai l speci fi cati on sheets which, of publication, stan dards en cou rag ed th e provi si ons th is th e of th e I EC and The in individual this detai l I S0 part i tem of requ i rem en ts I S0 5867 specification 5867 In qu i rem en ts speci fi cati on sh eets the of and event th is part sh eets, th e shall in rel ated of any of I S0 l atter be as speci fi ed accordance to conflict 5867 shall with this part between and th e the of re- detai l govern I S0 I nternational The m an u factu rer cation sh eet for shall each prepare type of an individual device speci fi - produ ced The IS0 individual for 5867-1 : 996(E) speci ficati on param eters sh eet given shall in annex define th e values system I S0 A Tem peratu re The tem peratu re and m i ni m u m cl ass cl asses tacts of which tem peratu res define for th e u se m axi m u m shall be as + 25 400 Hz I S0 540 relays 28 V having a Seal i ng - 65 “C to Cl ass B: - 55 “C to + 85 “C Sealing Cl ass C: - 55 “C to + 70 “C streng th speci fi ed in or tactors d c and/or system shall be capabl e 1 V/200 ch aracteri sti c V a c , speci fi ed in encl osures “C enclosu res to handling, Seal i ng shall shall withstand transi t, cau sing of switching A: ch aracteri sti cs fol - l ows: Cl ass th e 540 The having I S0 be or a part of of sufficient norm al storag e malfuncti on not be th e and i ncu rred installation di stortion the mech anical abu se of tact parts or coil in without The case electri cal ci r- cu i ts Encl osu re design Cl ass shall be : H erm eti cal l y Cl ass 2: Cl ass 3: Ventil ated cl assifi ed as foll ows: N OTE seal ed Environmentally The Altitudes H erm eti cal l y as a and su itable for seal ed use rel ays up to and tactors an alti tu de of 25 shall 000 be m bonding and tactors altitu de of shall 000 be sui table for u se up to an m fusion of filled have a dew N OTE to a of at of rating of th e all g as l east stru cted com pl etel y to H erm eti cal l y inert point be been ceram i c pu rg ed su itable Con tactors h as or m etal be shall that gl ass shall with tem peratu re Di mensi ons of m etal encl osu res encl osu res enclosu re tactors be Cl ass by seal ed seal ed gastig h t seal ed Cl ass m ag n eti c circu it seal ed enclosed H erm eti cal l y 4.4 m ay be a part of th e case r fill below or rel ays Relays The “C m etal , seal ed shall g as th e shall l owest devi ce m ay be filled with air or with inert g as Relay th e and tactor detail di mensi ons speci ficati on sh eet shall (see be as defi ned in ) Envi ronm ental l y Environmentally Desi g n req u i rements stru cted to The rel ays when and tactors m ou nted shall in any th e minimum perform an ce, reliability The or be relays and m u lti -pole auxiliary (m n auxiliary tacts th e m n tacts Su i table and size with and the shall be m ass requ ired dental sh ort-ci rcu i t throu gh th e coil of bu t type, be in Th ese th e single-pole with or mech anically i ndi cate pl aced order without l inked th e positi on rel ay both , of or between to barri ers sh ort-ci rcu iting presen ce the be shall contactors th e not shall and shall of prevent and be a dew tem peratu re enclosu res oth er deg ree a of ) shall with N OTE m ean s (see contactors filled have of the than seal shall th at be speci fi ed pu rged of i nert g as point of at l east rati ng of the all in r con- in th e detai l seal ed relays Rel ays The “C be defi ned Environmentally su i table Con tactors to of Ven ti l ated Ventil ated barri ers th e achieve speci ficati on streng th tacts) contacts m inal s The seal ed by any encl osu res fill below shall g as the shall lowest device m ay be filled with r or with inert gas m n ei th er, atti tu de satisfactori ly tacts The The operate com pati bl e tactors th e to shall seal ed a fl at of prevent shall all conducti ng contactor a 28 V d c or shall be th e the ter- an acci - su fficient term i nal s part operate 1 V a c , from 400 Hz contactors m ech ani cal and expl osion-proof th at be when th e of cl osu re desi gn cannot exist cover enclosu re cover shall is th e that inside th e desi gn, be shall so tactor pressu re and for be desi gned ad j u stm en t accu m u lati on in encl osed and shall without m oi stu re ru g g ed totally rem oved, be such between be be protecti on operati n g th e shall shall du st The capabl e gravate encl osures shall The en- differential s ou tside to probl em stru cted ag The of high I S0 I S0 i m pact m ateri al s, and securel y m ou nted to th e Tabl e tactor - Stren g th value Installation Adequ ate of term in al s stan dard and shall be mounting socket installation shall provided for shall be be avoi ded installation Cl earance provi ded wh ere for Speci al possi bl e @roundi ng mounting contact to shall ground provi de when pull and an the effecti ve relay or el ectri cal tactor is term i nal s Torq u e Force si ze (stati c torqu e) I bf N m in I bf 4, No 4-40 UNC 22, 0, 497 No 6-32 UNC 33 30 I,1 10 No 8-32 UNC 56 35 2, 26 20 No I O-32 UNC 80 40 3, 61 32 No I O-24 UNC 80 40 3, 954 35 l/4-28 222 50 8, 474 75 31 70 1 , 298 00 445 00 6, 948 50 445 00 6, 948 50 445 00 6, 948 50 5/l The of th read ed of N h ardware wrench es tool s Th read cl earances cl earance -1 : 9 ( E ) UNC 6-24 3/8-24 7/l UN F UN F 6-20 l/2-20 UN F UN F m ou n ted M etal covers grou nding shall Relays term i nal s Each Termi n al s as be and provi ded with contactors shall speci fi ed in th e detai l a m ean s have for el ectri cal specifi cation (see term i nal provide the am eter of th e necessary exceed shall have n orm al to seat shall ensu re I , 55 x a term i nal seat cu rrent-conducting not th at I O6 A/m th e (1 be l ess cu rrent 000 th at path shall The than th e density di- area does not A/in*) ) N OTE N o rotati on or oth er th rou gh ou t th e loosening relay of a term i nal or tactor shall occu r Stu d Term i n al term i n al s term i nal s of th e less th readed m ay be of g reater stu d type plu g-in, lugs one type all Power than 25 A Term inals sol der seat does include not the cross-secti on al l ife two 1 The area of th e stu d h ook, rating rated stu d shall and shall with be capabl e h ardware a half th reads parts tigh tened 1 Sol d er as shall in of accom m odati n g speci fi ed rem n A m i ni m u m above th e nut of with pl ace be at 25 A or or screw ter- h ook or strai g h t term i n al s mi nal s Sol der 1 Th read ed term i n al s an d m ou nti ng stud s sign to Stu d term i n al s cri m ped copper type bars equ al to shall lu gs A fl at th at of accept m ad e wash er th e base locki ng nut or standard washer shall be u sed No rotati on fixed or porti on oth er of m ech ani cal forces connection or the relay These a of on connections copper having of th e nut at of shall and sui table in disconnection, tabl e l ocki ng or any by any involved th rou ghout in th e life th e of or tactor are m axi m u m 1 Plug-in and cau sed be conn ected which shall not be ex- ceeded associ ated For installation (4 I ) torqu e values, see pl ated two The wires term i nal of relay de- rati ng ) For plug-in i ts such th at th e and by th e detail tests to th e an for th e entire th e shall of of i ts mou nting of have with Plug-in th e arran gem en t m ati ng with the th e the arran g em en t socket weight stability auxiliary perform ed to proper m ou nting correspondi ng term in al s unit form th e or nector rel ays, and vi ded shall necessary socket relay term i nal s N OTE tin l east term i nal s term i n al s el ectrical speci ficati on (see Pl u g-i n dim ensions pen ded values be at a sel f- a term i n al , be shall for or l east term i nal loosening speci fi ed term i nal , allow using alu minium , a di am eter with each term i nal , or term i nal s shall th e relay be m ean s electri cal speci fi ed shall be su s- be pro- than th e Rel ays with plug-in environmental socket be th e shall oth er and of desi gned shall mou nting socket term i n al s shall g ol d assem bl ed pl ated IS0 1 Screw Screw in am eter th e of di am eter th e shall th e th e parti cu l ar does not su ppl ied be th e exceed I t shall ensu re I , 55 x equ al not th at th e O6 A/m * Tabl e h ardware as ) di - (see to, or (1 lug be l ess than 000 The seat area of th e stu d Term i n al l ays, as th e specifi ed (XI ) shall trast A/in’ ) arran g em en ts, be not include th e cross- be durably tabl es to between coil in tabl e5 desi gn ated The on and positive th e and For du al legibly coil contacts end h eader of th e by re- shall use coil of a bead svm bol s Si n g l e t h ro w shall in relationship be as speci fi ed th e does I S0 m arki n g identifi cation m arked density area sectional Terminal th an, desi gned cu rrent Con tact - The g reater correspon di ng cu rren t to with speci fi cati on shall across necessary be detai l seat area N OTE term i nal s term i n al s speci fi ed for 5867-1 : 996(E) an d term i n al m arki n g Do u b l e t h ro w I Form “B” Form “C” normally cl osed (two posi ti on) Form “K” three position centre off Single A3 Al break W b E l - - A2 A3 k Al - b B k B l W c O- V - c C l Form “Y” A3 c 3 - o o with - - - - o c Form “Z” - - - z wz l - wr o o c - wb 2 1 1 W b - - w' - - L o o c 2 - Form “KK” Al O- W W B l h e 8 - L o C l - e c c W L g c O- - c - c ww c v A2 x x - o A4 L o C l ( Au xi l i ary term i n al s v Ch ange over I k 1 - - 2 2 2 @- w - - - - o W 3 \ - - 1 e - ww 2 3 - - r - - o 2 I A3 1 w A4 - - W C l c 3 2 - W A2 A3 Al N orm al l y cl osed B Do u b l e t h ro w N orm al l y open b A2 I Si n g l e t h ro w e - coi l (s) de-energ ized Tabl e - A4 I Con tacts are shown OJ I Dou ble A1 A3 c N OTE - A2 A2 3 - - 4 L o I S0 Tabl e Singl e / m x,; - Sym bol s an d m arki n g Tabl e x + x * Du al - / coi l Et ; r -J ; ‘ , x Yl o + o Y2 in Al -A2 m ateri al s at th e El - 2 - 2 Cl - C2 - sel ected A3-A2 (or A3-A4) - B3-B2 (or B3-B4) - 2 (or 3 - C3 - C4 ) shall Relays shall and be ati on, of tactors with provi ded with term i nal parts inadvertent sh orting, an d barri ers stu d or adequ ate to screw covering, provide grou nding, and U nless or (see protecti on or agai nst tact by to be or m eet perform an ce lay or tactor th at when shall cover desi gn cannot exist NOTE with the requ i rem en ts The cover be capabl e barri ers encl osu re(s) is rem oved , of operati ng shall be between Barri ers such th e shall be appl icable shall th e th at th e and m anu factu rer th at the rel ays part contactors and of shall M aterial s or requ i rem ents in this definite of m ateri al I S0 produ ct 5867 corrosi on-resi stan t to or resi st unfused parts of type corrosi on pu re tin and Zinc plating h erm eti call y shall plati ng, shall seal ed not relays oth erwi se 1 , th e speci fi ed u se of in di ssi m il ar the detail m etal s specifi cation shall form tabl e6 N on -m etal s including protecti ve finishes, shall to re- or tactor adj u stm en t pressu re m ay be rem ovabl e, to a a) be m oi stu re-resi stan t; b) be non-toxic; c) be arc-resi stan t; d) be fl am e-resi stan t; e) be f) not be so desi gned relay without inside desi gned of internal N on -m etal s, and speci fi ed Wh en sel ecti on the such treated pl ating on 2 covers of requ i rem ents per- sonnel Termi nal / tactors term i nal s separ- the speci fi ed shall be u sed covers be to appli cabl e perform an ce pl ated cadm i u m Term i n al Y4 - o Y2 Metal s M etals speci fi ed, ch aracteri sti cs be as discreti on th e form 2 is not be m eet shall and m ateri al 1 - x + - - w2 Materi al s The Load coi l termi nals + x m arki n g s , ,,, C3 - C2 term i n al s Dual coil terminals x +0x for 5867-1 : 996(E) The di fferenti als ou tsi de or m ay be integral self-extinguishing; rem ovabl e covers They su pport shall acteri sti cs 1 Con tact be growth adversel y com posi ti on peratu res speci fi ed M aterials in affected in rcraft by flu ids l oss of ch ar- at th e tem - in sym bol s Con tact arran g em en ts, ing be in shall not of fu ngus sym bol s accordan ce with and tabl es term i nal s to m ark- qu i red to h ermetical ly m eet th e seal ed m oi stu re- envel opes and are not re- fu ngu s-resistance requ i rem en ts I S0 5867-1 : 996(E) Tabl e Metal l u rg i cal H ot-dip-zinc Di ssi m i l ar - m etal s Com pati bl e categ ory pl ate; galvanized - , 05 20 zi nc-base die-casti ng - ,lO 25 - , 60 75 steel 17 Zinc, wrou gh t; al l oys; zinc, pl ated 18 M agnesiu m all oys, and cast or m ag n esi u m -base wrou gh t (m ost anodi c) 1) Com oati bl e cou des: Potenti al di fferen ce of 25 V max between grou ts coupl esI) I S0 I S0 Tabl e Con tact rati n g s resi sti ve 15 - Con tact vol tag e 5867-1 : 996(E) d rop (rated l oad ) resi sti ve l oad resi sti ve l oad resi sti ve l oad ) Determine maximum allowable contact voltage drop for ratings not listed by adding 0,05 a to the calculated initial allowable resistance based on initial allowable contact voltage drop with a maximum of 200 mV Check that the voltage drop at rated current does not exceed the limits of contact voltage drop specified in For contactors rated above 20 A and with an intermediate current of % of rated resistive load, calculate in millivolts, from the following equation, or use 200 mV, whichever is less Em,, Em,,= p,x(y) +0,05] xl 000 where is the intermediate current, is the rated resistive load 2) Where the lower specified load (resistive, motor, inductive, lamp) of a contactor’s power contacts is > 25 A the following apply: a) % of the specified operations may exceed the voltage drop listed, but no more than three operations may exceed 000 mV drop, b) use a cycle rate of 20 s on and s off Connect each NO and NC contact to loads in accordante with table Tabl e I Ci rcu i t Pole 16 No Loads No A resistive A resistive 0,l A resistive rated resistive 0,5 0,3 load load load load If the relay or contactor has more than two poles, repeat the above loads in the sequence listed Omit rated load for single-pole, single-throw devices For single-pole, double-throw devices, test each sample unit with rated load on the normally open contact, and specified intermediate current on the closed contact For two- and three-pole devices, load one pole with rated current, and load the other poles with intermediate currents Test sufficient samples to cover all combinations 5 Mi xed l oad s This test is applicable only if specified in the detail specification (see 4.1 ) Load the NO and NC contacts of one pole of a multipole relay with the low level load specified in the detail specification (see 4.1 ) Load all the NO and NC contacts of the remaining poles with the following loads specified in the detail specification (see 4.1 ) a) inductive load (d.c.1 ; b) inductive load (a.c.1 ; c) resistive load (d.c.1 ; d) resistive load (a.c.1 ; e) lamp load; f) motor load (d.c.1 ; g) motor load (a.c.1 Provide one relay for each of the above loads (e.g one sample will switch low level and (d.c.1 inductive, one will switch low level and (a.c.1 inductive, etc 35 I S0 5867-1 : 996(E) c) Total cycles: 00 000 Wire relays of three or more poles so that the contact switching the low level load is in between the poles switching the high level loads Use a cycle rate and number of cycles of operation as required for each of the applicable high level loads Ensure all other testing requirements (including monitoring) conform to loads specified in 6.2.1 Lo w d) Coil voltage: Nominal e) Miss detection monitoring level 00 ~2 f) Sticking of contacts constitutes a failure level Test relays for low level requirements The following details apply, unless otherwise specified in the detail specification (see 4.1 ) tran sfer, si ngl e b) Cycling rate: Use a minimum cycling rate of 60 operations per minute Use a maximum cycling rate times the sum of the maximum specified operate and release times for the relay under test ) Ph as e A Ph as e A _ B ‘ or - Gen er at o r Ph as e i- C - Fd i y Rel ay I I Ph as eC I zl Fi g u re 11 - Test ci rcu i t, or pol yph ase a c Connect the relay or contactor contacts to separate and independent four-wire, three-phase (Y-connected) power supply systems in accordance with figure 1 Use a systems (generator) voltage and load currents as specified in the detail specification (see ) Maintain the frequency of generator number one within % of specified rating Maintain the frequency of generator number two at % to IO % below the frequency specified in the detail specification (see a) Contact load: IO PA to 50 PA at mV to 50 mV (d.c or peak a.c.) Ph as e Lo ad th ree-ph ase Fu s e l oad tran sfer cas e No IS0 I S0 cycle of (5 f ) s ON and (5 f ) s OFF Use inductive a.c loads (see 6.2.1 5.4) and current and voltage values as specified in the detail specification (see 4.1 ) Monitor each phase of the power supply system, and each movable contact of the relay or contactor continuously to determine phase-to-phase arc-over, and contact sticking and welding Single- and two-pole devices may be tested in the same manner by omitting inapplicable contacts and loads The test circuitry may be modified for testing interlock contactors and devices with double break contacts Energize interlock contacts alternately by use of SPDT transfer switch device As an alternative, use a single power supply system in which the load can be switched between phases and in which the system voltage can be raised to 33 V/230 V r.m.s., three-phase a.c (e.g by use of a variable auto-transformer), or in which a transformer is used as shown in figure Ensure that the transformer continuous duty rating is at least as great as the loads to be switched Ensure that voltage regulation at the load does not exceed 2,5 % when the line current of one or more phases is times the specified load current With rated coil voltage and current, subject the relay or contactor to 000 cycles of operation at a duty _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ - - l P j P Re l a y Ed 5867-1 : 996(E) T r a n s f o r me r - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - c a s e I i I I To I 1 V/ 0 V r m s 0 Hz t h r e e - p h a s e p o we r s u p p l y F u s e La Fi g u re I Q 12 - Al ternati ve test ci rcu i t, th ree-ph ase l oad tran sfer 37 IS0 5867-1 :1 996(E) 6.2.1 6.2 6.2.1 Contamination Su bj ect each speci fi ed nants device in speci fi ed sel ected to 6 from in th e th e to th e contami nati on 6 detai l g rou ps U se test th e specifi cation in tabl e cycl e tam i (see ) 1) Fuels 2) 3) m in eral oil based - synth etic 50 85 6.2.1 6.3 oil based - synth etic 0, l sam pl es (7 f 0, 5) th e test ch am ber with a drying Repeat su re ) Cool ants ) G reases u nder to detai l norm al ci rculating, u se and store am bi en t th is m axi m u m clean for con- is not fou r with ti m es tem peratu re (see r for (1 speci fi ed a tem peratu re cycle rel ays the specifi cation tem peratu re this th at in for liquid conditions h sam pl e th e speci fi cati on, ag en ts (at M Pa overpressu re) the am bi en t Third phase in from norm al test for speci fi ed If sam pl e Greases 2 Fi re extinguishing ) test h u nder th e Su bj ect mi neral De-icing flu ids ) the 0, 5) di tions 20 Cleaning flu ids ) Rem ove Store Lu bri cants - Liquids 6.2.1 6.2.2 H ydraulic fluids - 6.2.1 6.2.1 (7 f Table - Contaminant test temperatures Temperature Types of contaminant “C Second phase not (total pl u g -socket 1) + in bel ow of five in 0, 5) the + detail 65 “C cycl es) h ol ders are a h En- pl u gged test 6.2.1 Insertion and withdrawal force 6.2.1 6.1 6.2.1 6.1 Rai se 6.2.1 7.1 First phase Immersion in liquids th e tem peratu re tam i nan ts without to th e exceeding of th e th e relays m erse (1 f th e 5) with sam pl e speci fi ed tem peratu re test pl u g -socket sam pl e in l i mi ts h ol ders th e new Wi re up and con- in tabl e of th e 17 test liquid separatel y for a Im- peri od to a 20 m i n are 38 th e tem peratu re thinly warm i ng Ensu re plu gged of using th at th is rel ays test test speci fi ed a bru sh cu pboard in for th e and to with speci fi ed pl ace be tacts u sed in in th e for th e for detai l i nsert, th e this with test speci fi th e sam pl e in tabl e for and test Procedure 18 gives tact th e nu m ber of tacts to be tested size pl u g-socket th e Apply Number of contacts per contact size, N contacts to be tested % sam pl e ex- test Table Minimum number of Pl ace th e store as ) and unused 6.2.1 7.2.1 Number of contacts to be tested per contact size Table tem peratu re g rease in Application of greases th e grease th e tacts of th ose 6.2.1 7.2 per Rai se all previously of m i n 6.2.1 6.1 and (see cepti on sam pl e Test U se cati on test tem peratu re Preparation to h ol ders N< 0 5