High Short-Circuit Breaking Capacity MCB

General
1.1Function
protectionofcircuitsagainstshort-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 degreeºC
ºCIP20 30
-5...+40(Special application please refer to P14
for temperature compensation correction)Reference temperature for settingof thermal elementAmbient temperature (withdaily average≤35ºC)Storage temperationºC-25...+70Terminal connection typeCable/U-type busbar/Pin-type busbar
Terminal size top/bottom for cablemm225AWG18-4
Terminal size top/bottom for busbarmm210AWG18-8
Tightening torqueN·m2.5In-Ibs.22MountingOn DIN rail EN 60715 (35mm) by means of fast clip deviceConnectionFrom top and bottomAuxiliary contactYesShunt releaseYesUnder voltage releaseYesAlarm contantYes