Answer / srikanth

current is flowing in fuse.. current is measured in amps
therefore fuse is measured in amps.. it is depent upon the
current rating.. current increases rating also increases...

Answer / j.ganapathynagarajan

It is Thermal holding capacity of that Fuse/C.B,based on
that we are classified the fuses for various rating.If more
current will flows that particular fuse, the fuse wire
would be blown. depend upon the circuit capacity we have
selecting the fuse ratings. this is related to Ohm's law
I=V/R.

In an panel board if the outgoings are power plugs and motor equipments...what should we choose as the incomer of the of the panel board?? MCCB OR ISOLATOR?? Should we use ELCB protection??if so where??

2 Answers  

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what is breaking capacity

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