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Electrical Circuit Breakers (4CB 63-125A 6kA)


4CB series MCB is applicable to circuit with rated voltage up 415V AC, rated frequency 50/60Hz and rated current up to 125A for protection and control of circuit against overload and short circuit in commercial, household and electric equipment installation. The product is also suitable for non-frequently making and breaking operation.


Protection Overload and short circuit
Standard conformity IEC60947
Type/Series B C D
Rated current(In) A 63-125 63-125 63-125
Rated voltage(ac)(Ue) V 240/415 240/415 240/415
Rated frequency(f) Hz 50/60 50/60 50/60
Nos. of poles(Execution) 1P,1P+N,2P,3P,3P+N,4P
Rated short circuit breaking capacity kA 6 6 6
Utilization category - - -
Magnetic release setting (3-5)In (5-10)In (10-20)In
Rated insulation voltage(Ui) V 660 660 660
Rated impulse voltage(Uimp) kV 4 4 4
Electrical/Mechanical
Endurance(no. of operations)
- - -
10000 10000 10000
Ambient temperature -5 to +55 -5 to +55 -5 to +55
Terminal capacity(max) sq.mm 25 25 25
Protection class IP20
Installation postion Vertical/Horizontal
Mounting Clip on DIN rail(35mm*7.5mm)
Case & Cover Moulded, flame retardant thermoplastic meterial
Current ratings-63, 80, 100A

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