YCM2 series Moulded Case Circuit Breaker

Application YCM2 series moulded case circuit breaker, is suitable for the circuit of AC 50Hz(or60Hz),rated insulation Voltage 660V, rated operating Voltage under AC 660V,250V(DC),rated operating current 10A-800A. It is for distributing energy of electricity and infrequent making and circuit under normal conditions. The MCCB rated current under 400A. They are provided with the function of the protection against overload and short circuit and undervoltage. The MCCB complies with standard of IEC60947-2. Rated current of release (A)In≤6363∠In≤250250∠In≤800Thermodynamic release(ambient temp.+40C)1.05In(cold state) inoperative time (h)≥1≥2≥21.3In(heat state) inoperative time (h)∠1∠2∠2Operational current of magnetic release (A)10-50In±20%10In±20%5-10In±20% TypeRated current(A)Pole NO.Rated insulating voltage (V)Rated operating voltage (V)Arcing distance (mm)Ultimate short circuit breaking capacity (kA)Service short circuit breaking capacity (kA)operation performace (endurance)Overall dimensionsYCM2-125E12.5-1252.3.4660381≤3015--7.5-3000700012075/10170YCM2-125S25-2016YCM2-160S16-16003582018-4000600012090/12070YCM2-160H50104025YCM2-250S100-25035104018-20006000170105/140103.5YCM2-250M50164030YCM2-250H65184048YCM2-400S200-40035164018-10004000254140/184103.5YCM2-400M50204030YCM2-400H65254048YCM2-630S400-63050204030-10004000268210/280103.5YCM2-630M65254048YCM2-630H80304060YCM2-800S500-80050204030-10004000268210/280103.5YCM2-800M65254048YCM2-800H80304060