Merlin GerinMulti 9 System Protection Miniature Circuit .
Merlin Gerin Multi 9 SystemProtectionMiniature Circuit BreakersGet more with the world’s Power & Control specialist
ProtectionMerlin Gerin Multi 9 SystemMiniature circuit breakersTripping curvesMarkings & limitation capabilityTrip Unit VariationsCircuit Breaker MarkingCircuit ProtectionA choice of several curvesWhatever circuit has to be protected, a C60 or C120 circuitbreaker provides the perfectsolution with a suitable curve.Curve Btripping:3 to 5 times the ratedcurrent (In);protection of generators,persons, very longcables.1Curve Ctripping:5 to 10 In;protection of circuits,general applications.multi 9C60HC63415V 23458352461000032.Curve Dtripping:10 to 14 In;protection of high surgecircuits, welders, transformers, motors.Curve MA(magnetic only)tripping: 12 In;protection of motorstarters ( thermal protection when combinedwith contactor).161.2.3.4.5.6.7.8.7Circuit Breaker Model NumberTripping CurveCircuit Breaker Current RatingOperating VoltageRated Breaking CapacityCircuit Breaker Part NumberElectrical Diagram - No. of PolesI2t classificationCircuit Breaker Limitation CapabilityThe limitation capability of a circuit breaker is that characteristic wherebyonly a current less than the prospective fault current is allowed to flow undershort-circuit conditions.This is illustrated by limitation curves which give:Installation of current limiting circuit breakersoffers several advantages:" The limited peak current in relation to theRMS value of the prospective short-circuitcurrent (the short-circuit current being thatcurrent which would flow continuously in theabsence of protection equipment).# Better network protectionCurrent limiting circuit breakers considerablyreduce the undesirable effects of short-circuitcurrents in an installation." The limited current stress in relation to theRMS value of the prospective short-circuitcurrent.# Reduced thermal effectsCable heating is reduced, hence longer cablelife." Current limiting capability. The advanceddesign of the Multi-9 range provides currentlimitation with far better protection than conventional circuit breakers. For example, on a6A rating with a prospective short circuit of5000A, the current will be limited at 350A or7%.# Reduced mechanical effectsElectrodynamic forces reduced, thus electrical contacts are less likely to be deformed orbroken.# Reduced electromagnetic effectsMeasuring equipment situated near an electrical circuit less affected.
Miniature Circuit Breakers – up to 63A18mm pole widthPageC60a – 4.5kA2C60N – 6kA3C60H – 10kA4C32H-DC – 10kA(circuit breakers for DC applications)18electrical auxiliaires– C6010accessories– C6016Miniature Circuit Breakers – up to 125A27mm pole widthC120N – 10kA6C120H – 15kA8electrical auxiliaries– C12010accessories– C12016Tm Motor MechanismTM C60/C12021Dimensions23For supplementary technical information, consult AUS010306Page 1
protectioncircuit-breakers up to 63 AC60a circuit-breakers4.5 kA, C curveAS/NZS 4898functionsdescriptionApproval No: N13634The circuit-breakers combine the followingfunctions:- protection of circuits against short-circuitcurrents,- protection of circuits against overloadcurrents,- control,- isolation,- protection of persons against indirectcontact.technical dataC60a circuit-breakersC curvec power circuitv voltage rating: 240 V ACv number of cycles (O-C): 10 000v foolproof terminal design- moving barrier prevents incorrect cableinsertion- cable strand centering guides ensurecorrect cable positions and strand groupingv isolation with positive contact indicationv bistable din clip, simplifies disassemblyc environmentv tropicalisation: treatment 2(relative humidity: 95 % at 55 C)v connection: tunnel terminals for thefollowing cables:- up to 25A : 25mm2 stranded- 32 to 63A : 35mm2 strandedcatalogue numberstyperating(A)- C60a circuit-breakers are used in thedomestic sectors where single phase faultlevels are less than or equal to 4.5kA.utilisationcables feeding conventional loads.technical datac power circuitv tripping curves: the magnetic trip unitoperates between 5 and 10 Inv breaking capacity- according to AS/NZS 4898 Icu ultimatebreaking capacity (0-C0 eakingcapacityIcu (A)4500widthquantityin mod. per boxof 9 mmC curve 57Page 2Schneider Electric Help Centre: 1300 369 233
protectioncircuit-breakers up to 63 AC60N circuit-breakers6kA, C curveAS/NZS 4898Approval No: N13634functionsThe circuit-breakers combine the followingfunctions:- protection of circuits against short-circuitcurrents,- protection of circuits against overloadcurrents,- control,- isolation,- protection of persons against indirectcontact.descriptiontechnical data common toC60N circuit breakersC curvec power circuitv voltage rating: 240/415 V AC- for 2P single phase 240/480Vv I2t classification: 3v number of cycles (O-C): 20 000v foolproof terminal design- moving barrier prevents incorrect cableinsertion- cable strand centering guides ensurecorrect cable positions and strand groupingv isolation with positive contact indicationv bistable din clip, simplifies disassemblyc environmentv tropicalisation: treatment 2(relative humidity: 95 % at 55 C)v connection: tunnel terminals for thefollowing cables:- up to 25A : 16mm2 flexible with cable end: 25mm2 stranded- 32 to 63A : 25mm2 flexible with cable end: 35mm2 strandedcatalogue numberstypeutilisationcables feeding conventional loads.technical datac power circuitv tripping curves: the magnetic trip unitsoperate between 5 and 10 Inv breaking capacity according toAS/NZS 4898, Icu ultimate breaking capacity(O-CO cycle):ratingtype(A)1 631P2P3Pvoltage(V)breakingcapacityIcu (A)240/415415.4804156 0006 0006 34258352583625837C curve C60N1P1Width in modof 9mm - 22258042P13Width in modof 9mm - 42413258183P5Width in modof 9mm - 624625832Page 3
protectioncircuit-breakers up to 63 AC60H circuit-breakers10kA, B, C and D curvesAS/NZS 4898Approval No: N13634functionsThe circuit-breakers combine the followingfunctions:- protection of circuits against short-circuitcurrents,- protection of circuits against overloadcurrents,- control,- isolation,- protection of persons against indirectcontact.descriptiontechnical data common toC60H circuit-breakersB curvec power circuitv voltage rating: 240/415 V ACv breaking capacity- according to AS/NZS 4898,Icv ultimate breaking capacity (O-CO cycle):rating(A)typevoltage(V)break. cap.Icu (A)1 631P, 2P3P, 4P240/415415 48010 00010 000v I2t classification: 3v foolproof terminal design- moving barrier prevents incorrect cableinsertion- cable strand centering guides ensurecorrect cable positions and strand groupingv isolation with positive contact indicationv bistable din clip, simplifies disassemblyv isolation with positive contact indication:opening is indicated by a green strip on thedevice operating handle. This indicatorshows opening of all the polesv number of cycles (O-C): 20 000c environmentv tropicalisation: treatment 2(relative humidity: 95 % at 55 C)v connection: tunnel terminals for thefollowing cables:- up to 25A :16mm2 flexible with cable end;25mm2 stranded- 32 to 63A :25mm2 flexible with cable end;35mm2 strandedPage 4utilisationwhen there are small inrush currents(generators, long cables).technical datac power circuitv tripping curve:the magnetic trip units operate between3 and 5 In.C curveutilisationcables feeding conventional loads.technical datac power circuitv tripping curve:the magnetic trip units operate between 5and 10 In.D curveutilisationloads with a high inrush current(motors, transformers).technical datac power circuitv tripping curve:the magnetic trip units operate between10 and 14 In.Schneider Electric Help Centre: 1300 369 233
protectioncircuit-breakers up to 63 AC60H circuit-breakers10kA, B, C and D curveAS/NZS 4898catalogue numbersApproval No: 1625217252182521925220252212522225223C60H1P12Width in modof 9mm - 2258452P1324Width in modof 9mm - 4258573P135246Width in modof 9mm - 6258714P13572468Width in modof 9mm - 825883Page 5
protectioncircuit breakers up to 125AC120N circuit-breakers10kA, B, C curves - AS/NZS 489810kA, D curve AS 3947-2functionThe circuit-breakers combine the followingfunctions:- protection of circuits against short circuitcurrents,- protection of circuits against overloadcurrents,- control,- isolation,- protection of persons against indirectcontact.descriptionTechnical data common to C120N circuitbreakersB curvec power circuitv current rating: 63 to 125 Av voltage rating 415 V ACv insulation voltage Ui: 500 Vv impulse withstand voltage Uimp: 6 kVv breaking capacity:- according to AS/NZS 4898 Icv ultimatebreaking capacity (O-CO cycle)type1, 2, 3, 4Pvoltage(V)240/415breaking cap.Icu (A)10000technical datac power circuitv tripping curve:the magnetic trip units operate between3 and 5 In.C curveApproval No:Q00542v according to AS3947-2 Icu ultimatebreaking capacity (O-CO cycle)utilisationcables feeding conventional loads.typetechnical data1P2, 3, 4Pvoltage(V)240415400 415breaking cap.Icu (kA)10310v mechanical durability:- 20000 cycles (O-C)v electrical durability:- 63 A: 10000 cycles (O-C)- 80 125 A: 5000 cycles (O-C)v I2t classification: 3v isolation with positive contact indication:opening is indicated by a green strip on thedevice operating handle. This indicatorshows opening of all the polesv foolproof terminal design- moving barrier prevents incorrect cableinsertion- cable strand centering guides ensurecorrect cable positions and strand groupingv bistable din clip: simplifies disassemblyv 63 to 125A: - up to 35mm2 flexible withcable end- up to 50mm2 strandedPage 6Approval No:Q00542utilisationwhen there are small inrush currents(generators, long cables).c power circuitv tripping curve:the magnetic trip units operate between 5and 10 In.D curve - For industrial use onlyutilisationloads with a high inrush current(motors, transformers).technical datac power circuitv tripping curve:the magnetic trip units operate between10 and 14 In.Schneider Electric Help Centre: 1300 369 233
protectioncircuit-breakers up to 125 AC120N circuit-breakers10kA, B, C curves - AS/NZS 489810kA, D curve AS 3947-2catalogue 90183911839218393B curve C120N1P1218340Width in modof 9mm - 32P1 32 418344Width in modof 9mm - 63P1 3 52 4 618349Width in modof 9mm - 94P1 3 5 712 4 6 818355Width in modof 9mm - 12Page 7
protectioncircuit breakers up to 125AC120H circuit-breakers15kA, B, C curves - AS/NZS 489815kA, D curve AS 3947-2functionThe circuit-breakers combine the followingfunctions:- protection of circuits against short circuitcurrents,- protection of circuits against overloadcurrents,- control,- isolation,- protection of persons against indirectcontact.descriptionTechnical data common to C120N circuitbreakersB curvec power circuitv current rating: 10 to 125 Av voltage rating 415 V ACv insulation voltage Ui: 500 Vv impulse withstand voltage Uimp: 6 kVv breaking capacity:- according to AS/NZS 4898 Icu ultimatebreaking capacity (O-CO cycle)type1, 2, 3, 4Pvoltage(V)240/415breaking cap.Icu (A)15000Approval No:Q00542utilisationwhen there are small inrush currents(generators, long cables).technical datac power circuitv tripping curve:the magnetic trip units operate between3 and 5 In.C curveApproval No:Q00542v according to AS3947-2 Icu ultimatebreaking capacity (O-CO cycle)utilisationcables feeding conventional loads.typetechnical data1P2, 3, 4Pvoltage(V)240415400 415breaking cap.Icu (kA)154.515v mechanical durability:- 20000 cycles (O-C)v electrical durability:- 63 A: 10000 cycles (O-C)- 80 125 A: 5000 cycles (O-C)v I2t classification: 3v isolation with positive contact indication:opening is indicated by a green strip on thedevice operating handle. This indicatorshows opening of all the polesv foolproof terminal design- moving barrier prevents incorrect cableinsertion- cable strand centering guides ensurecorrect cable positions and strand groupingv bistable din clip: simplifies disassemblyv 63 to 125A: - up to 35mm2 flexible withcable end- up to 50mm2 strandedPage 8c power circuitv tripping curve:the magnetic trip units operate between 5and 10 In.D curve - For industrial use onlyutilisationloads with a high inrush current(motors, transformers).technical datac power circuitv tripping curve:the magnetic trip units operate between10 and 14 In.Schneider Electric Help Centre: 1300 369 233
protectioncircuit-breakers up to 125 AC120H circuit-breakers15kA, B, C curves - AS/NZS 489815kA, D curve AS 3947-2catalogue P1218394Width in modof 9mm - 32P1 32 418412Width in modof 9mm - 63P1 3 52 4 618424Width in modof 9mm - 94P1 3 5 72 4 6 818437Width in modof 9mm - 12Page 9
protectionelectrical auxiliariesfor C60 and C120 circuit-breakersfunctionThey allow remote tripping or indication ofcircuit-breakers, with or without a Vigimodule.descriptionc they are mounted on the left-hand side ofthe circuit-breaker within a width limit of54 mmc fixed using clips (without tools) on theleft-hand side of the circuit-breakerc compatible with Vigi modules(adaptable on the right-hand side)c a maximum of 3 indication auxiliaries onthe same circuit-breakerc a maximum of 2 OF SD/OF auxiliaryswitches on the same circuit-breakerc a maximum of 2 MX OF or MN trippingauxiliaries on the same circuit-breakerc a maximum of 1 MNs or MNx or MSUtripping auxiliary on the samecircuit-breaker.auxiliary combination54 mm max.27 mm max. OF SD/OFauxiliarycontactPage 1036 mm max. OFauxiliarycontact SD faultindicatingswitch MNs , MNx orMSU auxiliary MX OFor MNauxiliarycircuit-breakerSchneider Electric Help Centre: 1300 369 233
protectionelectrical auxiliariesfor C60 and C120 circuit-breakerstrippingremote indicationVisualisation of tripping by means of the redindicator on front face.MX OF shunt tripRemote tripping of a circuit-breaker:c equipped with an OF changeover switch:- to indicate the circuit-breaker’s position- to carry out self-breaking allowing thecontrol circuit to remain energized.Undervoltage releases(MN, MN s )Controls the tripping of a circuit-breakerwhen its supply voltage drops(threshold between 70 and 35 % of Un)It allows for manual closing of thecircuit-breaker if its voltage exceeds 85 % ofthe rated voltagedelayed MN s release0.2 second time-delay: prevents tripping dueto brownouts or momentary voltagedecreases.MNx release for opening pushbuttonCompletely unaffected by power supplycircuit cuts, it is recommended for fail-safeemergency stopping. Replaces the MX“voluntary“ release equipped with its NO/NCindicator lights.MSU overvoltageMSU voltage threshold releaseSpecially designed to monitor voltagebetween the neutral and phase(s)conductors, it cuts power supply by openingthe circuit-breaker in event of an overvoltage.For overvoltages lasting for more than a fewseconds.technical dataComplance with standard: AS 3947-2v release consumptiontypevoltage(V AC or DC)MX OF 415 VAC220.240 V AC110.130 V ACDC48 VACDC24 VACDC12 VACDCMN220.240 V AC48 VACDCMNs220.240 V ngholdingholdinginrushinrushinrushinrushpower(W or F auxiliary switchv changeover switch that indicates the“open” or “closed” position of thecircuit-breaker.v test button on the front face that allows forthe indication circuit to be verified withoutoperating the circuit-breakerSD fault indicating switchv changeover switch that indicates the ”faulttrip” position of the circuit-breakerv visualisation of the fault (SD) by means ofa mechanical indicator on front face.OF SD/OF selector switchv double changeover switch that indicates:v the “open” or “closed” position of thecircuit-breaker (OF)v the “fault trip” position of the circuit-breaker(SD).v 2 circuits:- upper: OF- lower: SD or OF.v function is selected using rotary selectorswitch on the right-hand sidev the selected function is indicated on thefront facev visualisation of the fault (SD) by means ofa red mechanical indicator on front face.technical dataComplies with standard: AS 3947-2v rated current of auxiliary contactsvoltage(V AC or DC)415 VAC 240 VAC130 VDC 48 VDC 24 VDCrated current(A)36126connectionc using screw clamp terminals for 1 or 2cables (max. 2.5 mm2)c visible markers near terminals.Page 11
protectionelectrical auxiliariesfor C60 and C120 circuit-breakersreferencestypecontrol voltage(V AC)(V DC)cataloguenumberwidthin mod.of 9 240269634220.240269694380.415269714MX OF shunt releaseU 1412110.130482412C2 C126946MSU overvoltage release1P NU NL3P N26979U NL1L2L3MN undervoltage releaseinstantaneous48U D1 D2delayed s26963MNx release for opening pushbuttonPh NU E1E2NLPh to PhU 26969E1Page 12E2L1L2Schneider Electric Help Centre: 1300 369 233
protectionelectrical auxiliariesfor C60 and C120 circuit-breakerstypecontrol voltage(V AC)(V DC)cataloguenumberwidthin mod.of 9 mm269271269241269291SD fault indicating switch94929126927OF auxiliary contact14121126924OF SD/OF selector switch14249212229411219126929Page 13
protectionOF contact and SD switch, MX OF, MN and MNs releasesfor C60 and C120 circuit-breakersshunt release MX OFapplicationconnectionc remote opening by circuit-breaker tripping,of electrical lighting circuits, etcc terminals 12 and 14 are used for indicationof the circuit-breaker OF position, at avoltage identical to coil voltagec indication on the front face of the trippedfunction, by a red mechanical indicator.U 14 12 C2 C1L or closedopenundervoltage releaseMN or MNsapplicationN or-N or-L or N or connectionc opening of electrical circuits bycircuit-breaker tripping:v either by
Circuit Breaker Limitation Capability . Miniature Circuit Breakers – up to 63A C60a – 4.5kA 2 C60N – 6kA 3 C60H – 10kA 4 C32H-DC – 10kA 18 . Page 2 Schneider Electric Help Centre: 1300 369 233 protection circuit-breakers up to 63 A C60a circuit-breakers 4.5 kA, C curve
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