Answer / shanmugakalaivanan b.e eee abu

used for current rating above 100 amperes
its protected by thermal protection .
we can adjust the tripping
overload and short-circuit protection .
its normally used for current protection incoming side

Answer / yogesh raste

The main function of MCCB is to make and break the circuit.
I gives overload, shortcircuit and earth fault protection.

Answer / vikas goswami

Molded case circuit breaker(MCCB)IS used for overload thermal protection,it make the ckt at normal condition & and break at fault condition,it is also used as INCOMMER in control panel at high rating load,the rating of MCCB is to be above 63A.

Answer / v p bahuguna

mccb protected the cable and equpment when short circuted
and ground fault. we can set the trip lable as per system
reuirement.

Answer / pps

to make or break a ckt.

Answer / debashis das

the function of MCCB is used for over load thermal
protection,it make the ckt normal condition and break et
fault condition.

What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

0 Answers   JKN Limited,

sir am giving jspl exam on 19th oct . i belong to eee, so plz send previous question papers ..........to dis id abhilash203@gmail.com

0 Answers  

some meggers have three terminals. wat is the real function of the earth terminal?

2 Answers  

what is the multi strand cable size? 0.45mm is area of one strand & 370nos of strand.

1 Answers  

DC Motors applications used in Lift/Elevators

8 Answers   IOCL, SCS, Usha Martin,

Difference between field rheostat and armature rheostat.

0 Answers  

what is the difference b/w ground & virtual ground?

0 Answers   Accenture,

why transformer rating is in kva?

11 Answers  

fog produced due to?

2 Answers   MAHINDRA,

what is the value will come when megger the phase to phase ,phase to neutral ,phasae to ground ?

3 Answers  

how a generating station can monitor its multi users power factor. What type of incentive /penalty is associated with power factor management.

1 Answers   Sojex,

If the positive terminal of batteries in 125 v dc system is connected to earth what will happen ?

4 Answers