Whot is the difference between MCB and MCCB.Whot is the selection critearea fo

Categories >> Engineering >> Electrical Engineering
Suggest New Category

Whot is the difference between MCB and MCCB.Whot is the
selection critearea for MCCB and MCB for 63 Amp.

Question Posted / guest

5 Answers
9709 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Whot is the difference between MCB and MCCB.Whot is the selection critearea for MCCB and MCB for 6..

Answer / suresh a

mcb is nothing but miniature circuit breaker which is used
ifor over load protection and short circuit protection it
is available only upto 80amps.
mccb is nothing but moulded case circuit breaker used for
over load and short circuit protection in case of more than
100amps it is used.

Is This Answer Correct ?

19 Yes

1 No

Whot is the difference between MCB and MCCB.Whot is the selection critearea for MCCB and MCB for 6..

Answer / srinivas

MCB MEANS MINIATURE CIRCUIT BREAKER IT IS USED FOR SMALL
QUANTITIES.
MCCB IS MOULDED CASE CIRCUIT BREAKER IT IS USED FOR LARGE
AMOUNT OF POWER.

Is This Answer Correct ?

14 Yes

2 No

Whot is the difference between MCB and MCCB.Whot is the selection critearea for MCCB and MCB for 6..

Answer / elangovan kp

MCB: Miniature Circuit Breaker, Available rating Current is only Up to 100 - 125Amps, Breaking Current Capacity available up to 10KA only. (Availabel fixed current rating only)

MCCB: Moulded Case Circuit Breaker, Available rating up to 4000Amps, Breaking Current Capacity available up to 80KA.(Adjustable Over current setting available, Short circuit and Earth fault protection, Motorised MCCB also available)

Is This Answer Correct ?

2 Yes

1 No

Whot is the difference between MCB and MCCB.Whot is the selection critearea for MCCB and MCB for 6..

Answer / p.sivaraja

mcb is nothing but miniature circuit breaker which is used
for over load protection and short circuit protection it
is available only upto 125amps(Now in market)
mccb is nothing but moulded case circuit breaker used for
over load and short circuit&earth fault(Micro processor
based) protection in case of more than
16amps it is used.

Is This Answer Correct ?

1 Yes

3 No

Whot is the difference between MCB and MCCB.Whot is the selection critearea for MCCB and MCB for 6..

Answer / rahul kant

MCB MEANS MINIATURE CIRCUIT BREAKER used for Short circuit
protection.

MCCB IS MOULDED CASE CIRCUIT BREAKER used for Short circuit
protection as well as Earth Fault Protection.

Is This Answer Correct ?

3 Yes

7 No

Post New Answer

More Electrical Engineering Interview Questions

What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

0 Answers

What is the accepted limit to increase the choosen transformer capacity over the load and why ?

1 Answers

Is there any Institution (Not AMIE)for giving B-Tech/M-tech in Electrical engineering for those who r in service? Give the details please.

2 Answers

why VCB are not used in 132KV system(above 33KV system)

6 Answers Al Ahleia,

What are various power system instabilities and what are their effects on power system operation?

1 Answers

How to Calculate the current drain in the battery (1.4V) for the 2mins time period?

7 Answers

what is differnce btwen lll and lllg faults

0 Answers

What is maximum demand?How can we caluclate it?

3 Answers TATA,

How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)

0 Answers

what is the differance between ac induction motor and ac synchronous motor?

5 Answers

i want to know about for what reason we are using star delta starter? how it works? what are the advantages?

4 Answers

how the percentage impedance affect the transformer loading when connected in parallel.?

1 Answers

For more Electrical Engineering Interview Questions Click Here