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 instrument transformers?

6 Answers  

why transmiision rating in kva?

4 Answers  

one kva is equal to how much amps?

14 Answers  

How earthing/grounding done in aeroplanes and ships.

0 Answers  

which supply is used in traction system

3 Answers  

can anyone provide me a amf panel control wiring using ec-2 relay?

0 Answers   Electro Tech,

why we don't use air circuit breaker on H T line in place of vacuum circuit breaker ?

2 Answers   Jindal,

Explain why the Voltage drop will happen in 3 Phase line?

2 Answers  

What is electrical charger?

3 Answers   HCL,

what is numerical relay explain its operation

2 Answers   ABB,

Why, the starting current of 3 phase Induction Motor is 7 to 8 times its rated current?

9 Answers   L&T,

What is vcb?

3 Answers