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MCB Electric 1 phase 4 pole 20 amp for mcb miniature circuit breaker



S7-63 mini circuit breaker applies to AC 50/60Hz,rated voltage 240/415V,rated current to 63A for overload and short circuit protection,but not for the direct protection of motors and electric equipment,capacitor bank,high-sensibility and high capacitive load.

Normal working conditions

Ambient temperature of-5C~+40℃,average does not exceed 35C within 24H;The alitude of the installation site altitude does not exceed 2000m.


  • :
  • America 


Rated current:1A,2A,3A,4A,6A,10A,16A,20A,25A,32A,40A,50A,63A;

Instantaneous release:B type(3~5)In,C type(5~10)ln,D type(10~16)ln;

Poles:a.single pole,b.with two protect breakers,c.with three protect breakers,d.with four protect breakers;

Instantaneous release:B type(3-5)In,C type(5~10)in,D type(10~16)ln;

Main technical parameters;

Rated capacity of short-circuit breaking(Table 1,table 2);

Mechanical and electrical life:

Electrical life:not less than 4000,

Mechanical life:not less than 10000.

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