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.

why we are using panel space heaters in different control schemes????

3 Answers   Mecon,

how to select a cap,when a fan is required 2.5 micro ferad cap,then how we know about 1 hp motor?

1 Answers  

how to determine the size of power cable according to load current

1 Answers   JSW,

what is the difference between bus-coupler and bus-riser

2 Answers  

mounting of bucholz relay engle on transformer

4 Answers  

In 6600/√3/110/√3v voltage transformer,how much output voltage in open delta transformer,after removing 1-phase of primary side on transformer?

2 Answers  

In what situations relays are used in Circuit breaker? In Above what rating of Circuit breaker the relays are used? Why relays are not used for CB like MCB?

0 Answers   Elektrotek,

how step up transformer step up the voltage and what is the reason behind it?

3 Answers  

Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system?

0 Answers  

A CT is marked as 10VA 0.2FS in its name plate. What is it? Where it is used?

1 Answers  

we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

1 Answers  

WHAT IS THE CONDITION FOR OPERATING DIFFERENTIAL RELAY IN POWER TRANSFORMER & WHERE IS NEUTRAL CT PLACED IN TRANSFORMER

2 Answers