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
9535 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

Define rise time.

0 Answers

why 120 devided with pole and speed multiplication to determine frequency

1 Answers

why neutral busbar size is SAME of the phase busbar size UPTO 200A IN LT PANELS

1 Answers IBS,

Actually why the transformers ate rated in KVA.?

2 Answers Torrent Pharma, XYZ,

Myself completed B.Tech ECE in private university but i am working as an testing and commissioning engineer in electrical field whether i am eligibility to apply electrical licence.

1 Answers

what is the earth resistance

4 Answers Micron Electricals,

in dc machine airgap is there b\w stator and armature but by conduction emf is generated how & what is conduction

1 Answers

why there is a fault occurs, if a phase wire touches ground.. and the fault not occurs when we connect a bulb between phase and ground..??

1 Answers

what is power factor ?

12 Answers KSEB,

What is the feedback in the control system?

0 Answers

what is high voltage in india?

11 Answers Essar,

What is knee point voltage of transformer?

0 Answers Nabard,

For more Electrical Engineering Interview Questions Click Here