Merlin GerinMulti 9 System Protection Miniature Circuit ...

1 Merlin GerinMulti 9 SystemProtectionMiniature Circuit BreakersGet more with the world s Power & Control specialistProtectionCircuit 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 is illustrated by limitation curves which give:"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).

2 "The limited current stress in relation to theRMS value of the prospective short-circuitcurrent."Current limiting capability. The advanceddesign of the Multi-9 range provides currentlimitation with far better Protection than con-ventional Circuit breakers. For example, on a6A rating with a prospective short Circuit of5000A, the current will be limited at 350A or7%.Installation of current limiting Circuit breakersoffers several advantages:#Better network protectionCurrent limiting Circuit breakers considerablyreduce the undesirable effects of short-circuitcurrents in an installation.

3 #Reduced thermal effectsCable heating is reduced, hence longer cablelife.#Reduced mechanical effectsElectrodynamic forces reduced, thus electri-cal contacts are less likely to be deformed orbroken.#Reduced electromagnetic effectsMeasuring equipment situated near an elec-trical Circuit less Unit VariationsCircuit Breaker MarkingCurve B tripping:3 to 5 times the ratedcurrent (In); Protection of generators,persons, very Ctripping:5 to 10 In; Protection of circuits,general Dtripping:10 to 14 In; Protection of high surgecircuits, welders, trans-formers, MA(magnetic only)tripping: 12 In; Protection of motorstarters (+ thermal pro-tection when combinedwith contactor).

4 Circuit ProtectionA choice of several curvesWhatever Circuit has to be pro-tected, a C60 or C120 circuitbreaker provides the perfectsolution with a suitable Circuit Breaker Model Number2. Tripping Curve3. Circuit Breaker Current Rating4. Operating Voltage5. Rated Breaking Capacity6. Circuit Breaker Part Number7. Electrical Diagram - No. of Poles8. I2t classificationMerlin Gerin Multi 9 SystemMiniature Circuit breakersTripping curvesMarkings & limitation capability123458C60HC63415V~1000032 .. 12345667multi 9 Page 1 Miniature Circuit Breakers up to 63AC60a 6kA3C60H 10kA4C32H-DC 10kA18( Circuit breakers for DC applications)electrical auxiliaires C6010accessories C6016 Miniature Circuit Breakers up to 125AC120N 10kA6C120H 15kA8electrical auxiliaries C12010accessories C12016Tm Motor MechanismTM C60/C12021 Page18mm pole width27mm pole widthFor supplementary technical information, consult AUS010306 Dimensions23 Page 2 Schneider Electric Help Centre.

5 1300 369 233protectioncircuit-breakers up to 63 AC60a kA, C curveAS/NZS 4898 Approval No: N13634functionsdescriptiontechnical dataC60a Circuit -breakerscpower circuitvvoltage rating: 240 V ACvnumber of cycles (O-C): 10 000vfoolproof terminal design- moving barrier prevents incorrect cableinsertion- cable strand centering guides ensurecorrect cable positions and strand groupingvisolation with positive contact indicationvbistable din clip, simplifies disassemblycenvironmentvtropicalisation: treatment 2(relative humidity: 95 % at 55 C)vconnection: tunnel terminals for thefollowing cables:- up to 25A : 25mm2 stranded- 32 to 63A : 35mm2 strandedThe Circuit -breakers combine the followingfunctions:- Protection of circuits against short-circuitcurrents,- Protection of circuits against overloadcurrents,- control,- Protection of persons against C60a Circuit -breakers are used in thedomestic sectors where single phase faultlevels are less than or equal to curveutilisationcables feeding conventional datac power circuitvtripping curves.

6 The magnetic trip unitoperates between 5 and 10 Invbreaking capacity- according to AS/NZS 4898 Icu ultimatebreaking capacity (0-C0 cycle):type rating cataloguewidthquantity (A) numberin boxof 9 mmC curve C60a1P6113542121011355212161135621220113 5721225113392123211358212401135921250113 60212631136121212catalogue numbers11357- isolation,rating voltagebreaking (A) (V)capacityIcu (A) 240 4500 Page 3protectioncircuit-breakers up to 63 AC60N Circuit -breakers6kA, C curveAS/NZS 4898 Approval No: N13634functionsdescriptiontechnical data common toC60N Circuit breakerscpower circuitvvoltage rating: 240/415 V AC- for 2P single phase 240/480Vv I2t classification: 3vnumber of cycles (O-C): 20 000vfoolproof terminal design- moving barrier prevents incorrect cableinsertion- cable strand centering guides ensurecorrect cable positions and strand groupingvisolation with positive contact indicationvbistable din clip, simplifies disassemblycenvironmentvtropicalisation: treatment 2(relative humidity: 95 % at 55 C)vconnection.

7 Tunnel terminals for thefollowing cables:- up to 25A : 16mm2 flexible with cable end: 25mm2 stranded- 32 to 63A : 25mm2 flexible with cable end: 35mm2 strandedC curveutilisationcables feeding conventional datac power circuitvtripping curves: the magnetic trip unitsoperate between 5 and 10 Invbreaking capacity according toAS/NZS 4898, Icu ultimate breaking capacity(O-CO cycle):ratingtypevoltagebreakingcapacity (A)(V)Icu (A) 0003P4156 000 The Circuit -breakers combine the followingfunctions:- Protection of circuits against short-circuitcurrents,- Protection of circuits against overloadcurrents,- control,- isolation,- Protection of persons against numberstyperatingcatalogue(A)

8 NumberC curve C60N1P1257972257984258006258011025802162 5803202580425258053225806402580750258086 3258092P12581122581242581462581510258161 6258172025818252581932258204025821502582 263258233P125825225826425828625829102583 0162583120258322525833322583440258355025 8366325837123456258041212342581825832 Width in modof 9mm - 2 Width in modof 9mm - 4 Width in modof 9mm - 6 Page 4 Schneider Electric Help Centre: 1300 369 233protectioncircuit-breakers up to 63 AC60H Circuit -breakers10kA, B, C and D curvesAS/NZS 4898 Approval No: N13634functionsdescriptiontechnical data common toC60H Circuit -breakerscpower circuitvvoltage rating: 240/415 V ACvbreaking capacity- according to AS/NZS 4898,Icv ultimate breaking capacity (O-CO cycle):ratingtypevoltagebreak.

9 Cap.(A)(V)Icu (A) , 2P240/41510 0003P, 000vI2t classification: 3vfoolproof terminal design- moving barrier prevents incorrect cableinsertion- cable strand centering guides ensurecorrect cable positions and strand groupingvisolation with positive contact indicationvbistable din clip, simplifies disassemblyvisolation with positive contact indication:opening is indicated by a green strip on thedevice operating handle. This indicatorshows opening of all the polesvnumber of cycles (O-C): 20 000cenvironmentvtropicalisation: treatment 2(relative humidity: 95 % at 55 C)vconnection: tunnel terminals for thefollowing cables:- up to 25A :16mm2 flexible with cable end;25mm2 stranded- 32 to 63A :25mm2 flexible with cable end.

10 35mm2 strandedThe Circuit -breakers combine the followingfunctions:- Protection of circuits against short-circuitcurrents,- Protection of circuits against overloadcurrents,- control,B curveutilisationwhen there are small inrush currents(generators, long cables).technical datacpower circuitv tripping curve:the magnetic trip units operate between3 and 5 curveutilisationcables feeding conventional datacpower circuitv tripping curve:the magnetic trip units operate between 5and 10 curveutilisationloads with a high inrush current(motors, transformers).