Mould Case Circuit Breaker

Mould Case Circuit Breaker(MCCB,Circuit Breaker) 250A series moulded case circuit breaker.It is applicable circuit of AC 50Hz or 60 Hz,rated insulation voltage 660V,rated operating voltage under AC660V,690/250V(DC),rated operating current 1215A-1250A,for distribute energy of electricity and infrequent making and breaking circuit,in 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 IEC947-2,GB14048.2,GB14048.4 and so on. Main technical specifications Type Ratedcurrent(A) Pole no. Ratedopreating voltage(V) Ultimateshortcircuit breakingcapacity(KA) Shortcircuit breaking(KA) AC380V (400) AC660V (690) DC250 AC380V(400) JM6-125S 12.5,16,20,25, 32,40,50,63, 80,100,125, 2P 3P 4P ≥30 15 - - 7.5 JM6-125H 25 - 20 16 JM6-160S 16,20,32,40,50, 63,80,100,125,160 380V 660V 35 8 20 18 JM6-160H 50 10 40 25 JM6-250S 100,125,160, 180,200,225, 250 35 10 40 18 JM6-250H 50 16 40 30 JM6-400S 200,225,250, 315,350,400 35 16 18 18 JM6-400H 65 25 48 48 JM6-630S 400,500,630 50 20 30 30 JM6-630H 80 30 60 60 JM6-800S 500,630,700, 800 50 20 30 30 JM6-800H 80 30 60 60 JM6-1250S 500,600,630, 800,1000,1250 50 10 35 37 JM6-1250H 100 30 65 75