Product Name: Long Service Life MCB with Short-Circuit Breaking Capacity 6ka Model NO.: SRB4-63 Certification: ISO9001-2000, CE, CB, CCC Function: Overcurrent Protection, Overload, Short-Circuit Protection Type: Circuit Breaker Poles Number: 1,2,3,4 Structure: MCB Installation: Fixed Arc-extinguishing Medium: Air Operation: Manual Type Breaking Capacity: Low Voltage Circuit Breakers Rated Current(a): 1,2,3,4,6,10,16,20,25,32,40,50,63 Rated Frequency: 50/60Hz Rated Voltage: 230/400V AC Rated Short-Circuit Making Capaity: 6000A Trademark: OEM/LonGROAD Transport Package: 240 Poles/Carton Specification: IEC60898 Origin: China Product Description General1.1Functionprotectionofcircuitsagainstshort-circuitcurrents, protection of circuits against overload currents, switch,isolation,NB1-63Hcircuit-breakersareusedindomesticinstallation, as well as in commercial and industry electrical distributionsystems.2SelectionTechnicaldataofthenetworkatthepointconsidered: the earthing systems (TNS,TNC),short-circuitcurrentatthecircuit-breakerinstallationpoint, which must always be less than the breaking capacity of thisdevice,Network normal voltage. Tripping curves:B curve (3-5In)protectionforpeopleandbiglengthcablesinTNandIT systems.C curve (5-10In)protectionforresistiveandinductiveloadswithlowinrush current.D curve(10-14In)protectionforcircuitswhichsupplyloadswithhighinrush current at the circuitclosing(LV/LV transformers, breakdown lamps).StandardIEC/EN 60898-1Rated current InA1, 2, 3, 4,6,10,16,20,25,32, 40, 50, 63Poles1P, 1P+N,2P,3P,3P+N, 4PRated voltage UeV230/400~240/415Insulation voltage UiV500Rated frequency50/60HzRated breaking capacityA6000Energy limiting class3Ratedimpulsewithstandvoltage(1.2/50)UimpV6000Dielectrictestvoltageatind.Freq.for1minkV2Pollution degree2Power loss per poleRated current (A)Max power loss per pole (W)1, 2, 3, 4, 5, 6, 10213, 16, 20, 25, 323.540, 50, 635Thermo-magnetic release characteristicB, C, DElectrical life4, 000Mechanical life20, 000Contact position indicatorYesProtection degreeºCºCIP20 30-5...+40(Special application please refer to P14for temperature compensation correction)Reference temperature for settingof thermal elementAmbient temperature (withdaily average≤35ºC)Storage temperationºC-25...+70Terminal connection typeCable/U-type busbar/Pin-type busbarTerminal size top/bottom for cablemm225AWG18-4Terminal size top/bottom for busbarmm210AWG18-8Tightening torqueN·m2.5In-Ibs.22MountingOn DIN rail EN 60715 (35mm) by means of fast clip deviceConnectionFrom top and bottomAuxiliary contactYesShunt releaseYesUnder voltage releaseYesAlarm contantYes