MCCB

MCCB(circuit breaker,mould case circuit breaker) This moulded case circuit breaker is suitable for circuit AC 50Hz/60Hz, rated voltage up to AC 660V, rated operation current to 630A. It features normal structure, reliable performance, complete accessories and high breaking capacity, used for power distribution and protecting the circuit and electrical equipment against overload and circuit. It complies with standard of IEC947-2. Tripping CharacteristicsRated current of release(A)Thermodynamic release(ambient temp +40centigrade )Operational current of magnetic release(A)1.05In(cold sate) inoperative time(h) 1.30In(heat state) inoperative time(h) In≤63≥1<110-50In±20%63<In≤250≥2<210In±20%25<In≤800≥2<25-10In±20%Tripping CharacteristicsRated current of release(A)Thermodynamic release(ambient temp +40 centigrade )Operational current of magnetic release(A)1.0In (cold state) inoperative time 1.2In (cold state) inoperative time 1.5In (cold state) inoperative time 7.2In (cold state) inoperative time 125≤In≤400≥2<2≤4min2S<Tp≤10S12In±20%SPECIFICATIONTypeRated Current(A)Num-ber of PolesRated insulat-ion voltage (V)Rated Operat- ing voltage(V)Ultimate short circuit breaking capacity(KA)Servies short circuit breaking capacity(KA)Operation performance (Endurance)Overall Dimensions AC380v (400)AC660v(690)DC250AC380v (400)AC660v (690)LoadUnloadLW (3P/4P)HS-125E12.5,16,20, 25, 32,40, 50,63,80, 100,1252P, 3P, 4P,600380, 66015­­7.5­3000700012076/10170S-125S25­2016­S-160S16,20,32, 40,50,63, 80,100, 125,1693582018­4000600012090/12070S-160H50104025­S-250S100,125, 160,180, 200,225, 25035104018­20006000170105/140103.5S-250M50164030­S-250H65184048­S-400S200,225, 250,315, 350,40035164018­10004000254140/184103.5S-400M50204030­S-400H65254048­S-630S400,500, 63050204030­10004000268210/280103.5S-630M65254048­S-630H80304060­S-800S500,630, 700,80050204030­10004000268210/280103.5S-800M65254048­S-800H80304060­