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MCB7-63ⅠⅡ Mini Circuit Breaker
MCB7-63ⅠⅡ Mini Circuit Breaker
The products of MCB7-63ⅠⅡ elong to the advanced level of the nineties in the world instead of the older generation of MCB7. They have protective function as shortage as overload, and are used in lighting distribution system in industry,
commerce and welling, and protect fractional electric motors. And they also have many merits of high protective grade(up to IP20), high break capacity, reliable sensitive action, convenient, multipole assembling, long life etc. They are mainly
adapted to the circuit of AC 50Hz, 230V in single pole, 400V in double, three, four poles for protecting overload and short circuit. Meanwhile, they are also used in turning on or off the electric apparatus and lighting circuit under the normal
Mechnical Specification
The length of exposed plane
Enclosure height
Enclosure width
17.5mm per pole(single pole)
35mm: 1P+N(two poles)
Mounting manner
Used for track of 35mm of IEC standard
Terminal manner
Two-function terminal can connect with
busbar and conducting wire
Terminal block capacity
Wire 1-25mm2
  Conducting wire 0.8-2mm
Electrical Specification
EN60898(IEC898) GB10963-99
Conforms to standard of electrical
230V/400V; 50/60Hz
Rated current(Ue)
10KA IEC898(0.5-6.3A)
Rated breaking capacity
15KA IEC947-2(0.5-6.3A)
Short circuit breaking capacity of DC
Max. 48V(MCB7…,10KA)single pole
Max. 250V(MCB7-DC, 6KA)single pole
Max. fuse that can be connected to
C, D characteristic curve
Selective grade
Working ambient temperature
Enclosed protective class
-5 to+40℃
P40(Under mounting)
Electrical mechanical
Not less of 8000 times switching operation
Not less of 20000 times switching operation
Overall & Installation Dimensions
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Add:No.26th,Lingyun Road,Dongfeng Industrial Zone,Liushi Town,Wenzhou City,Zhejiang Province,P.R.China.
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