G XX E

Contents

l Terms,definitions,explications

l Classificationofexplosiveatmospheresinzonesand connectionwithelectricalequipment

l Ignitiontemperature–temperatureclass

l ProtectionclassesofelectricalequipmentbelongingtogroupII

l Identification/designationexamples

l Explosionprotectionat

l Productionandtestofcontrolsolenoidsin explosion-proofexecution

l Regulations,standardsandspecifications

l actuatorsinexplosion-proofexecution

Technical Explanations

Control Solenoids in explosion-proof execution

Magnet-SchultzGmbH&Co.KG•Postfach1665•D87686Memmingen•AllgäuerStraße30•D87700MemmingenTelefon++49(0)83311040•Telefax++49(0)8331104333•info@Magnet-Schultz.de•www.Magnet-Schultz.com

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QUALITÄT SEIT 1912

1. Terms,Definitions,Explications1.1 Electrical Equipment

All objects serving totallyorpartly to theapplicationofelectricenergy.Objectsforgeneration,transmission,dis-tribution,storage,measuring,controlling,transformationandconsumptionofelectricenergyaswellasobjectsfortelecommunicationbelongtothis.

Electrical equipment for explosion-proof areas is clas-sifiedin::Group I: Electricalequipmentformineworkings

withfiredampexplosionriskGroup II: Electrical equipment for all explosive

areaswithoutmineworkingswithfire-dampexplosionrisk

Furthermoreanotherclassificationinso-calledcategoriesismade,wherecategory1andcategory2areusedforgroupsIandII.Category3refersonlytogroupII:

Category 1: highestdegreeofprotection,thusveryhighdegreeofsafety

Category 2: increaseddegreeofprotection,thushighdegreeofsafety

Category 3: normaldegreeofprotection,thusnormaldegreeofsafety

Withtheclassificationincategories,alsoanattributiontotheapplicationareaismade(underground,gas-explosiveareas,areaswithcombustibledust)wheretheequipmentisused:Group I: M1, M2 (mining)Group II: 1G, 2G, 3G (gas) 1D, 2D, 3D (dust)(seepoint2)

1.2 Explosive Atmosphere

Mixtureofairandcombustiblegases,steams,mistsordustsunderatmosphericconditionsinwhichthecombu-stionprocesshastransferredonthewholeunburntmixtureaftereffectedignition.

Atmosphericconditionsmean:-Temperaturefrom-20°Cupto+60°C-Pressionfrom0,9barupto1,1bar-Airwithoxygencontentofapprox.21%

1.3 Explosive Area

Zonewheretheatmospheremaybecomeexplosiveduetothelocalandoperationalconditions.Generallyexplosiveareasareclassifiedinzonesaccor-ding to frequencyanddurationof potentially explosiveatmospherewhereasadifferentiation isalsomadebet-weencombustiblegases,steamsandmists,aswellascombustibledusts:Danger areas gas / steam: Zone 0 Zone 1 Zone 2Danger areas dust: Zone 20 Zone 21 Zone 22(seepoint2)

1.4 Flashpoint Temperature

The lowest temperatureatwhichacombustiblegasoracombustibleliquidcangenerateasuitablequantityofsteamat itssurfaceunderspecial testingconditionssothatwith an effective ignition source an ignition of thesteam-air-mixturemightbecomepossible.

1.5 Ignition Temperature – Temperature Class

Theignitiontemperatureofacombustiblematerialisthelowesttemperatureatwhichthecombustiblematerialjustignitesinconnectionwithair.Bymeansoffixedproceedings(EC/EN60079-4respectivelyIEC/EN61241-2-1)theignitiontemperatureofanysubstancesisdeterminedsotheycanbeclassifiedintemperatureclasses.(seepoint3)

Temperature classes

Ignition temperature ranges of mixtures [°C]

Max. admissible surface temperature ele-kof electrical equipment [°C]

T1 >450 450T2 >300...≤450 300T3 >200...≤300 200T4 >135...≤200 135T5 >100...≤135 100T6 >85...≤100 85

Table 1.5Temperatureclassesandrespectivetemperatureranges

1.6 Explosion Subgroups

ClassificationofcombustiblegasesandsteamswithingroupIIaccordingtotheirratioofmin.ignitioncurrentrelatedtomethaneoraccordingtotheirbordergapwidth.ThevalueoftheMESG(MaximumExperimentalSafeGap)isveryimportantforconstructionswithprotectionclass„flameproofenclosures“.ThevalueoftheMIC(minimumignitioncurrent)isveryimportantforconstruc-tionswithprotectionclass„intrinsicsafety“.(Seepoint3)

Explosion sub-group

Minimum ignition current related to methane (MIC:CH4)

Maximum experi-mental safe gap

(MESG)Hazardousness

IIA >0,8 >0,9mm lowIIB 0,45...0,8 0,5...0,9mm averageIIC 0...0,45 <0,5mm high

Table 1.6Explosionsubgroupsandtheirclassification

1.7 Protection Classes

Designationforactionswhichassurethatanambientexplosivemixtureofgas,air,mistordustmaynotleadtoanignitionduetodifferentprotectionprinciples.(seepoint4)

Allprotectionclassesofthesamecategoryareequalconcerningsafety!

Protection principle Electrical equipment of catego-ries 1G, 2G, 3G

Electrical equipment of cate-gories 1D, 2D, 3D

Protectionprincipleensuresthatanignitionsourcemaynotincur

Increasedsafety„e“Notsparkingdevices„nA“

–

Protectionprincipleensuresthatanignitionsourcemaynotbecomeeffective

Intrinsicsafety„i“Energylimitedelectriccircuits„nL“

Intrinsicsafety„iD“

Protectionprinciplepreventstheexplosiveatmospherefromreachingtheignitionsource

Pressurizedenclosures„p“Simplifiedpressurizedenclosures„pz“Encapsulation„m“Oilimmersiondans„o“HermeticallysealeddevicesEncapsul- ated/sealedequipment„nC“Protectionagainstexplosivegasesanddusts„nR“

Protectionbyenclosures„tD“Pressurizedenclosures„pD“Encapsulation„mD“

Protectionprincipleallowsignitionbutpreventstheflamepropagationbymeansofthehousing

Flameproofenclosures„d“Powderfilling„q“Enclosedcontrolunit„nC“Notignitablepart„nC“

–

Table 1.7Protectionprincipleandprotectiontypes

1.8 Protection Class

Describesthedegreebyanenclosure. - protection against contact DieIP-Schutzartstellt - foreign body protection.(seepoint6.4) - protection against ingress of water

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QUALITÄT SEIT 1912

2. Classificationofexplosiveareas and coherence with electrical equipment

Dueto theclassificationofelectricalequipment indifferentgroupsandcategoriesandduetothedivi-sionoftheexplosiveareasintodifferentzonestheequipmentcanbecategorizedinrelevantexplosiveareaswheretheymaybeapplied.

FortheEuropeancommunitythedefinitionofzonesisstandardizedinregulation1999/92/EG.

Abbildung 2.1Zoneneinteilungbeispielhaftdargestellt

Rating of explosion hazardNecessary marking of the appli-

cable equipmentDevice group Category

Operationatexplosionhazard Mining I M1

Cut-offatexplosionhazard Mining I M1 or M2

Zonesfordangerbygas/steam

s

Zonewhereexplosiveatmosphereasmixtureofair,combustiblegases,steamsorfogsisalways,forlongperiodsoroftenexisting Zone 0 II 1G

Zonewhereatnormaloperationanexplosiveatmosphereasmixtureofair,combustiblegases,steamsorfogsmayformfromtimetotime Zone 1 II 2G or 1G

Zonewhereatnormaloperationanexplosiveatmosphereasmixtureofair,combustiblegases,steamsorfogsmaynormallynotformoreventempo-rarily

Zone 2 II 3G, 2G or 1G

Zonesfordangerofcom

bustible

powder

Zonewhereanexplosiveatmosphereinformofacloudofcombustibledustcontainedintheairexistsalways,foralongtimeoroften Zone 20 II 1D

Zonewhereanexplosiveatmosphereinformofacloudofcombustibledustcontainedintheairexistsfromtimetotimeatnormaloperation Zone 21 II 2D or 1D

Zonewhereatnormaloperationanexplosiveatmosphereinformofacloudofcombustibledustcontainedintheairdoesnotformnormallyoreventemporarily

Zone 22 II 3D, 2D or 1D

Table 2.1Definitionofzonesandapplicableequipment

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QUALITÄT SEIT 1912

3. Ignition Temperature – Temperature Class

Fig. 3.1Examplesforclassificationofdifferentgasesandsteamsintemperatureclassesandexplosionsubgroups

3.1 Safety-relatedidentificationnumbersofcombustiblegasesandsteams for determination of temperature class and explosion subgroup

3.2 Dust deposit: Max. admissible surface temperatures

Fig. 3.2 Reductionofthemax.admissiblesurface temperaturewithincreasinglayerthickness ofthedustlayer(IEC/EN61241-14)

Temperature class / temperature of mixtures

IIA IIB IIC Applicabilityofmaterial withtemperatureclass

T1> 450 °C

AcetoneAmmoniacBenzol–pureAceticacidEthylacetateEthylchlorideCarbonmonoxideMethaneMethanolMethylenechlorideNaphthalinePhenolPropaneToluol

City(illuminating-)gasAcrylonnitrile

Hydrogene

T1

T2

T3

T4

T5

T6

T2>300°C...≤450°C

Ethylalcoholi-amyacetaten-butanen-butylalcoholCyclohexaneAcetitanhydride

EthyleneEthyleneoxide

Ethine(Acetylene)

T3>200°C...≤300°C

Benzins–generallydieselfuelkerosineheatingoilDIN51603n-hexane

EthyleneglycolHydrosulphide

T4>135°C...≤200°C Acetaldehyde Ethylether

T5>100°C...≤135°CT6>85°C...≤100°C Carbondisulphide

Applicabilityofmaterialwithexplosionsubgroup

IIAIIB

IIC

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QUALITÄT SEIT 1912

4. Protection class of electrical equipment of group II

Protection class Gases / steams Dusts Marking Principle and constructive measures Application

examples

Flameproof enclosuresflameproof enclosures

l d

Thecomponentswhichmayigniteanexplosiveatmosphereareincorporatedinanenclosurewhichwithstandsthepressureresultingfromanexplosionofanexplosivemixtureinside..Technologicallynecessarygapandnotchesaredesignedconcerninglengthandtightnessthatatransmissionoftheexplosionontheexplosiveatmospheresurroundingtheenclosureisavoided.

Control solenoids with built-on switch, transformers,controlandswitchdevices,enginesandgeneratorswithcollectorandcollectorrings,variableresistors,lampsetc.Control solenoids in parti- cularly solid execution

Pressurized enclosurespressurizedenclosures

l l p pD

Theenclosureofelectricalmaterialsisfilledwithanignitionprotectiongas(air,inertorothersuitablegas)whichiskeptunderoverpressurecomparedwiththeambientatmosphere.Sotheambientatmospheremaynotpenetrateintheenclosure.Possiblytheoverpressurewillbemaintainedbyanongoingpurgingwithignitionprotectiongas.

Large-scalemachines,measuringstations,switchandcontrolunits,analysisdevices,large-scaleengines,heatingdevicesetc.Noimportanceforcontrolsolenoids

Powderfillingpowderfilling

l q

Thefillingofanenclosurewithfine-grainedfilleffectsthatatoccurrenceofanelectricarcintheenclosureanexplosiveatmospheresurroundingtheenclosurewillnotbeignited.Noignitionmayoccureitherbyincreasedtemperatureontheenclosuresurface.

Control solenoids,switchingdevices,powersupplyunits,electroniccomponents

Oil immersionoilimmersion

l o

Thepartsofelectricalequipmentfromwhichanignitionofexplosiveatmospheremaycomearedippedsodeeplyinaprotectionliquid(mostlyinsulatingoil)thatgasesandvapoursupsidetheliquidandoutsidetheenclosuremaynotbeignitedbyelectricarcsorsimilar.

Largetransformers,switchingdevices,startingresistancesandcompleterun-upcontrols.Rarelyappliedforcontrolsolenoids.

Increased safetyincreasedsafety

l e

Thepossibilityofinadmissiblyhightemperaturesandemergingsparksorelectricarcsinsideandatexternalpartsofelectricalequipmentareavoidedbyadditionalmeasuresandahigherdegreeofsafety.

Control solenoids, transformers,accumulators,lamps,squirrel-cagemotors,installationmaterials,terminalandjunctionboxes

Intrinsic safetyintrinsicsafety

l l ia, ib, ic, iaD, ibD

Intrinsicmaterialscontainonlyelectriccircuitswhichcomplywiththerequirementsforintrinsiccircuits.Intrinsiccircuitsarerealizedwhenenergyandswitchingcapacityaresolowthatnosparkorthermaleffectoccurswhichmaycause(atnormaloperationandundercertainerrorconditions)anignitionofexplosiveatmosphereofthesubgroupsIIA,IIBorIICresp.ofadust-air-mixture.

Measuring / monitoring information systems or devices often applied for control solenoids Sensors and actors

Protection class ntypeofprotectionn

l nC, nA,nR, nL

Protectionisachievedbydifferentconstructiveactionswhicharelimitingoravoidingthepenetrationofexternalatmosphereinenclosuresorwhicharelimitingtheenergyofelectriccircuitsinthatwaythatnosparks,electricarcsorinadmissiblyhightemperaturesoccurwhichmayignitetheexplosiveatmosphere.

Control solenoids,contactsystems,batteries,materialwithlowenergyetc.

Encapsulationencapsulation

l l ma, mb maD, mbD

Thepartsoftheelectricalmaterialwhichcouldigniteanexplosiveatmospherebysparksorheatingareembeddedinamouldingmass.Sotheexplosiveatmospheremaynotbeignited.Thisismadebyanoverallcoatingofthecomponentswithasuitablemouldingmass.

Printed boards with circuits,relays,switcharrangements,oftenappliedforcontrolsolenoids

Schutz durch Gehäuse

protectionbyenclosures

l tDTheenclosureissotightthatnocombustiblepowdermaypenetrateinside.Thesurfacetemperatureoftheexternalenclosureislimited.

Control solenoids,controlsystems,diversematerials

Table 4.1ProtectionclassesforelectricalequipmentofgroupII

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QUALITÄT SEIT 1912

EuropeanCommunity

IDnumberofcertificationauthorityATEX

Ex-symbolATEX

ATEXdevicegroup

DevicecategoryATEX

Protectionclass(es)

Protectionclassofthehousing(protectionclassIP)

Max.surfacetemperature

0123Ex tD A21Ex e mb II TPS EX5 -- -- 39319 -- bzw. PTB -- ATEX --

-20°C≤Ta≤+50°C

IIII

2D2G

IP67T4

T130°C

NummerderEG-Baumusterprüf- bescheinigungTÜVSüdProduct Servicebzw.PTBBraunschweig

Angabespezieller Umgebungstemperaturbereich

AccordingtoATEXmarkingaboveexampleisamaterialwhichisidentical–concerningdevicegroup,devicecategory,protectionclass,ex-plosionsub-group,temperatureclassetc.-withtheexampleinfig.5.1.1forapplicationingasexplosiveareas.

AspermarkingitisadditionallyamaterialbelongingtogroupIIforapplicationinanareawithdangerbycombustibledusts,zone21.Explosionprotectionishereachievedbymeansofprotectionclass“tD”(protectionbyenclosures)whereasthemarking“A21”signifiesthatthematerialisdesignedaccordingtoprocedure“A”(seeIEC/EN61241-1)andmaybeappliedinzone21.TheenclosureisprotectedaccordingtoIPprotectionclassIP67;itsmax.surfacetemperatureis130°C.

Theadditionalmarkingoftheambienttemperaturemeansthatthematerialisdesignedforarangeofambienttemperaturesfrom–20°Cupto+50°C.

Fig. 5.1.2 MarkingexampleforexplosionproofelectricalmaterialaccordingtoATEX,suitablefordustexplosiveareas

EuropeanCommunity

aEx-symbolATEX

Ex-symbolATEX

ATEXdevicegroup

ATEXdevicecategory

Protectionclass(es)

Explosionsub-group

Temperatureclass

0123 Ex e mb TPS EX5 -- -- 39319 -- bzw. PTB -- ATEX --II II2G T4

EC-typeexaminationcertificateTÜVSüdProductServiceresp.PTBBraunschweig

AccordingtoATEXmarkingaboveexampleisamaterialbelongingtogroupIIsuitableforapplicationinagasexplosivearea,zone1.Explosionprotectionofthematerialisachievedbymeansofprotectionclasses„e“/increasedsafety)and„mb“(encapsulationwithprotectionlevel„mb“);intemperatureclassT4itissuitableforallgasesofgroupII.Asthereisnoadditionalmarkingfortheambienttemperaturethematerialisdesignedforarangeofambienttemperaturesfrom–20°Cupto+40°C.

Fig. 5.1.1 MarkingexampleforexplosionproofelectricalmaterialaccordingtoATEX,suitableforgasexplosiveareas

5. Marking / Designation examples5.1 ATEX-Marking

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QUALITÄT SEIT 1912

6. Explosion Protection at 6.1 CertificatsandAudits

Formanyyears hasbeenworkinginthefieldofexplosion-proofelectromagneticactuatorsandsensors.

Since 2000 a valid certification of the QS-system accor-ding to annex VII of thedirective no. 94/9/CE (ATEX 95) hasexistedfordevicesandprotectionsystemsdestinedfortheuseinexplosiveareas.

iscertifiedfordevices of group IIinthecategories 2Gand2Dinprotection classes „e“, „m“, „d“, „i“, „mD“, „tD“, „iD“ zertifiziert.

To facilitate theworldwideapprovals theQAsystemof hasbeenalsoauditedforIECExsince2008.

Uptonowthiscertificate(QualityAssemblyReport–QAR)com-prisestheprotection classes „e“, „mb“, „tD“.

Theenlargementof theQualityAssessmentReportwithotherprotectionclasses ispossibleon requestby testandapproval(TestReport–TR)ofotherdevices.

TheQualityAssessmentReport–QARaswellastheCertificateofConformity–CoCcanbeseenandprintedonthehomepageofIECEx(www.iecex.com).

OnthebaseofthatATEXcertificationamultitudeofapprovals(EC-typeexamination certificate) issuedbyTÜVSüdProductService(TPS)andthePhysikalischTechnischenBundesanstalt,Braunschweig(PTB–federalinstituteforphysicsandtechnologyinBraunschweig)arealreadyexistingforelectromagneticdevicesfordiverseapplications.

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QUALITÄT SEIT 1912

6.2 Constructive Assembly of Control Solenoids in Different Protection Classes

Figure 6.2.1: DCsolenoidGRCE045protectionclass Increased safety („e“), encapsulation („m“)andprotection by enclosures („tD) forcategories II 2GandII 2D

Figure 6.2.2: Terminalinprotectionclass increased safety („e“)

Figure 6.2.3: ProportionalsolenoidGAAE045inprotectionclass Increased safety („e“), encapsulation („m“)andprotection by enclosures („tD“)forcategoriesII 2G andII 2D

Figure 6.2.4: ValvesolenoidGBXE022inprotectionclass intrinsic safety („i“and„iD“)forcategoriesII 2GandII 2D

Figure 6.2.5: MagneticbodyFHMPE037 inprotectionclassencapsulation („m“)

Figure 6.2.6: DCsolenoidGAAE050inprotectionclass increased safety („e“)andencapsulation („m“)

Figure 6.2.7: ValvesolenoidGBRE022inprotectionclass encapsulation („m“)forthecategoriesII 2G andII 2D

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QUALITÄT SEIT 1912

6.3 Ambient Temperatures, Battery Assembly

Generallycontrolsolenoidsforexplosiveareasaredesignedfortheuseinanambienttemperaturerangeof-20°Cupto+40°C.InthiscaseanadditionalidentificationoftheambienttemperatureTaisnotnecessary.

Ifthecontrolsolenoidisdesignedfortheapplicationinadifferenttemperature range, this is regardedasspecial designand theambienttemperaturerangeisindicatedbyaspecialidentification.

Generallytheinfluenceofvicinalheatsourcesase.g.forbatteryassemblyofsolenoids/valves(seefig.6.3.1andfig.6.3.2),hastobeconsidered.

Figure 6.3.1: Exampleforbatteryassemblyofpneumaticvalvesolenoidswithdistancesxandy

Figure 6.3.2: Batteryassemblyofpneumaticsolenoidsinexplosion-proofdesignonavalveline

Ifanarrangementofseveraldevicesismadebyabatteryassem-blyinaccordancetothedistancesxandy,thedevicesmayhavenegative thermal influencesagainsteachother. In suchcasespleasecontactusindicatingthepresentcaseofapplication:•Dimensions•Denominationofthedistancesx,y•Dutycycleofthedifferentsolenoids•Temperatureattheareaofapplication•Temperatureofmedium(hydraulicoil,air,etc.)

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QUALITÄT SEIT 1912

6.4 Protection Class According to IEC/EN 60529, Corrosion Protection, Mechanical Strength

Besides theprotection classesdescribedunder point 4 the IPprotectionclassesaccordingtoIEC/EN60529(VDE0470-1)arerelevantforexplosion-proofcontrolsolenoidsfor•protectionagainstcontact•protectionagainstforeignobjects•protectionagainstingressofwaterconcerningoperationalsafety.

-Explosion-proofMSMcontrol solenoidsaredesignedamongothersforaprotectionclassofmin.IP54forG(gasexplosiveareas)resp.IP65forD(areaswithcombustibledust)accordingtoIEC/EN60529(VDE0470-1).

Inorder toexecute thesolenoids inexplosion-proofdesignbypreventivemeans–inadditiontotherequestedprotectiontype–alsowith•adequatecorrosionprotection•sufficientmechanicalstrength•eventuallyhigherprotectionclass

concerningtherequirementsoftheareaofapplication,itisneces-sarytoindicateininquiriesororders-inadditiontotherequestedprotectiontypeaccordingtoIEC/EN60529(VDE0470-1)–de-tailedinformationabout•mechanicalstrength•influenceofwater•influenceofaggressivemedia

andsimilarinformationabouttheareaofapplicationase.g.:

•unprotectedinstallationoutside•installationinacontrolcabinet•assemblyonadeckofship•relativehumidity•etc.

6.5 Limitation of Over-voltage

Inductance (inductance– L) causeshigh voltagepeakswhenswitchingoffDCcontrolsolenoids.

Inorder toexclude thesephenomenonand forsafety reasonsexplosion-proofDCcontrolsolenoidsareprovidedwithaprotectivecircuitwhichisintegratedinthesolenoidandsituatedinparalleltotheexcitercoil.

(seefig.6.5.1andfig.6.5.2)

Fig. 6.5.1: Wiringdiagramfor

• DCversionwithprotective circuitbidirectionaldiode

• ACversionwithprotective circuitdiodeandrectifier

Fig. 6.5.2:

Wiringdiagramfor

•DCversionwithprotective circuitvaristor

•ACversionwithprotective circuitvaristorandrectifier

If no protective circuit existsthe over-voltage has to belimitedexternallywithappro-priatemeans.

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QUALITÄT SEIT 1912

7. Production and Test of Explosion-proof Control Solenoids

In -manufacturing the production of individual parts for thesolenoids, theassemblyand the testaccording to therelevantregulations and standards are only carried out by particularlyskilledandqualifiedworkers.

Allindividualpartswhichareimportantfortheexplosionprotectionarecheckedwithatestingaccuracyof100%.Bymeansofcon-structionandtestprescriptionsdetailsforarealisationofasafeexplosionprotectionarereliablyverified.

Afterasuccessfuldetailedconformityinspectioneachdeviceisseparatelymarkedandthetestresultsoftheindividualpartsandof thefinisheddevicesareaccurately recorded indetailed testreports.

For -ATEXexecutionsofexplosion-proofcontrolsolenoidsaninstructionmanualisdeliveredwitheachdeviceforcategory2.Thisinstructionmanualcontainsinformationaboutambientcon-ditions,installationandstartingupaswellasinformationaboutassemblyanddetailedtechnicaldata.Ithastoberespectedbytheuserinanycase!

Additionallyamanufacturer’sCEcertificateofconformityisdeli-veredforandjointtoeachdeliverylot(devicesforcategory2andcategory3).Thiscertificateofconformityprovesthattherespective-controlsolenoidisconformtotheunderlyingEC-TypeExamina-

tionCertificate(devicesforcategory2)resp.tothemanufacturer’sexaminations(devicesforcategory3)andthatitfulfillstherequire-mentsoftherespectivestandardsandtheprescriptionsoftheECdirective94/9/CE.

Accordingtodirective1999/92/CEtheinstructionmanualand/orthecertificateofconformityhavetoberespectedbytheraiser/userandhavetobejoinedtotheexplosionprotectiondocumentfordocumentation.

-IECExexecutionsofexplosion-proofcontrolsolenoidsarealsodeliveredwithacorrespondentinstructionmanual.

Thecorrespondentcertificateofconformity(CoC)andtheQualityAssessmentReport(QAR)arestoredonthehomepageofIECEx(www.iecex.com)wheretheycanbeseenandprintedifrequired.

Figure 7.1:Example,ATEXoperatingmanual

Figure 7.2: Example,ATEXdeclarationofconformity

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QUALITÄT SEIT 1912

8. Regulations, Standards and Provisions Fortheconstructivedevelopment,designandtestofexplosion-proofcontrolsolenoidsthefollowingpoints8.1upto8.17aretakenintoconsiderationaccordingtotable7.1.

Table 8.1:Regulations,standardsandprovisions

8.1 IEC / EN 60079-0(VDE0170-1)

Electricalequipmentforgasexplosiveareas- General requirements

8.2 IEC / EN 60079-1(VDE0170-5)

Electricalequipmentforgasexplosiveareas- Flameproof enclosures

8.3 IEC / EN 60079-2(VDE0170-301)

Electricalequipmentforgasexplosiveareas- Pressurized enclosures

8.4 IEC/EN 60079-5(VDE0170-4)

Explosiveatmosphere-Equipmentprotectionbypowderfilling

8.5 IEC / EN 60079-6(VDE0170-2)

Explosiveatmosphere- Equipment protection by oil immersion

8.6 IEC / EN 60079-7(VDE0170-6)

Explosiveatmosphere- Equipment protection by increased safety

8.7 IEC / EN 60079-11(VDE0170-7)

Explosiveatmosphere- Equipment protection by intrinsic safety

8.8 IEC / EN 60079-15(VDE0170-16)

Electricalequipmentforgasexplosiveareas- Construction, test and marking of protection class „n“ apparatus

8.9 IEC / EN 60079-18(VDE0170-9)

Explosiveatmosphere- Equipment protection by encapsulation

8.10 IEC / EN 61241-0(VDE0170-15-0)

Electricalequipmentforapplicationinareaswithcombustiblepowder- General requirements

8.11 IEC / EN 61241-1(VDE0170-15-1)

Electricalequipmentforapplicationinareaswithcombustibledust- Protection by enclosures

8.12 IEC / EN 61241-4(VDE0170-15-4)

Electricalequipmentforapplicationinareaswithcombustible- Protection class « pD »

8.13 IEC / EN 61241-11(VDE0170-15-11)

Electricalequipmentforapplicationinareaswithcombustibledust- Protection by intrinsic safety

8.14 IEC / EN 61241-18(VDE0170-15-18)

Electricalequipmentforapplicationinareaswithcombustibledust- Protection by encapsulation

8.15

IEC / EN 60079-14(VDE0165-1)IEC / EN 60079-17(VDE0165-10-1)IEC / EN 61241-14(VDE0165-2)IEC / EN 61241-17(VDE0165-10-2)

Planningandinstallationaswellastestandmaintenanceofelectricalequipmentingasexplosiveareasand/orareaswithcombustibledust

8.16 DINVDE0580 Generalregulationsforelectromagneticdevices

8.17 IEC/EN60529(VDE0470-1) Protectionclassesbyenclosures

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QUALITÄT SEIT 1912

9. -Actuators in Explosion-proof ExecutionAsreputableandpotentialmanufacturerofexplosion-proofsolenoids isabletoprovideawideandmanifoldprogrammeforcontrolsolenoidsindifferentprotectionclassesaccordingtotheeffectiveregulations.

Furtherinformationcanbetakenfromourbrochure«ATEX95explosion-proofactuators».Pleaseaskthesupportofourresponsibletechnicalofficewhenrequired.

Fig. 9.1: Single-acting solenoids type GTCE for electromechanic applications

II2GEExemIIT4/T5

Fig. 9.2: Single-acting solenoids type GMCE for electromechanic applications

II2GEExmIIT4

Fig. 9.3: Shotbolt lock units pull or push type GSCE for electromechanic applications

II2GEExmIIT4

Fig. 9.4: ON/OFF and proportional solenoids type GHPE 037... / GRCE 037... for hydraulic applications

II2GEExmIIT4 II2DIP65T130°C

Fig. 9.5: Proportional solenoids type GREE 035 AMX A01... for hydraulic applications

II2GEExmIIT4

Fig. 9.6: ON/OFF and proportional solenoids type GHPE ... / GRCE ... for hydraulic applications

II2GExembIIT4 II2DExtDA21IP65T130°C

Fig. 9.7: ON/OFF and proportional solenoid Type GAAE ... / GRFE ... for hydraulic applications

II2GExembIIT4 II2DExtDA21IP65T130°C

Fig. 9.8: Valve solenoid Type GBRE 022 AMX… for pneumatic applications

II2GEExmIIT5 II2DIP65T95°C

Fig. 9.9: Valve solenoid in intrinsically safe version Type GBXE 022 AIA A01… for pneumatic applications

II2GEExiaIICT6 II2DExiaDIP65T80°C

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QUALITÄT SEIT 1912

-Technical Explanations

GXX DCsolenoids

GXXE Explosion-proofcontrolsolenoids

GXX2.Zusatz DCproportionalsolenoids

GXXV DCshotboltlockunits

WXX ACsolenoids

PXX DCorACON/OFFsolenoidsforpneumaticapplications

HXX DCorACON/OFFsolenoidsforhydraulicapplications

YXX Vibrators

042013/08ALT