MCCB(Circuit Breaker,CM1) 225A

MCCB(Circuit Breaker,CM1) series of moulded case circuit breaker is one of our new type products developed and manufactured by adopting international advanced technology.It is supplied with rated insulating voltage 660V and used for circuit of A.C.50HZ,rated operating voltage AC 380V (or below),rated operating current up to 1250A for infrequent over and starting of the motors .Equipment with the protection devices for over current, short circuit and undervoltage,the products are capable of preventing damage of circuits and supply units.The products conforms to IEC60947-1&GB/T14048.1;IEC60947-2&GB14048.2;IEC60947-4&GB14048.4;IEC60947-5.1&GB14048.5standards. Type and meaning Duetotheshortoffuntionoftheallibaba'seditingboard,thetypeandmeaningsofourproducts willbeshowedbytakingonetypeforexample.E.g:JM1-100HD/3"J"---JYCapacity&ElectricCo.Ltd "M"---mouldedcasecircuitbreaker "1"---designcode.Anothertwocode,6and8 "100"---Ratedcurrentofframe,100representstheratedcurrent100A.Anotherclassifications of63,225,400,630,800,1250. "H"---breakingcapacitygradeH(85100kA)ofratedlimitingshort-circuit.Another twogrades,L(25,35,50kA)andM(50,60,75kA). "D"---operatingmethodbyelectromotion.Anothermethod"Z",operatingmethodbytruring thehandle. "3"---polenumber3.Anothertwopoles,2and4. Main technical specifications Type Rated current offrame(A) Rated current(A) Rated operating voltage(V) Rated insultating voltage(V) Ultimate shortcircuit breaking capacity400V(KA) Serviescircuit breakingcapacity 400V(KA) JM1-63L 63 (6)10,16,20,25, 32,40,50,63 AC400 AC500 25 18 JM1-63M 50 35 JM1-100L 100 (10),16,20,25,32, 40,50,63,80,100 AC690 AC800 35 22 JM1-100M 50 35 JM1-100H 85 50 JM1-225L 225 100,125,140, 160,180,200,225 AC690 AC800 35 22 JM1-225M 50 35 JM1-225H 80 50 JM1-400L 400 225,250,315, 350,400 AC690 AC800 50 35 JM1-400M 65 42 JM1-400H 100 65 JM1-630L 630 400,500,630 AC690 AC800 50 35 JM1-630M 65 42 JM1-630H 100 65 JM1-800M 800 630,700,800 AC690 AC800 75 50 JM1-800H 100 65