if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will

Categories >> Engineering >> Electrical Engineering
Suggest New Category

if you asked to choose a ckt breaker from MCB & MCCB for 32A
which one will be best and why??

Question Posted / sahedul islam

7 Answers
6825 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??..

Answer / kk

It depends on the application where we use the same.
MCCB have adjustable tripping characteristics where MCB have fixed tripping characteristics.
MCCB is selected if it is incommer ,MCB is enough if it is O/g feeder

Is This Answer Correct ?

9 Yes

1 No

if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??..

Answer / aditya shirbavikar

MCB is a gear where MCCB is a switchgear. MCCB may be said to be best if chose because, with an MCCB you get a current sensing relay for auto tripping during a fault.

Is This Answer Correct ?

2 Yes

0 No

if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??..

Answer / sunitkumarsonu

in this case mcb is better because mcb is much cheaper than the mccb.

Is This Answer Correct ?

2 Yes

1 No

if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??..

Answer / revanna

mcb is much enough becase load capacity is too low
so,insted of MCCB is better to using MCB becase low cast.

Is This Answer Correct ?

2 Yes

1 No

if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??..

Answer / seshagiri204

MCB is Simply a Mechanical Switch which makes or breakes the circuit by hand. In other words MCCB is a current sensing device which detects the abnormality in the circuit and trips the circuit. Today many of them are using MCCB only. And further As for as fault concern it is better to select MCCB

Is This Answer Correct ?

1 Yes

0 No

if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??..

Answer / nur.asidik

according to my experience, if load continuous current less or equal than 60A, it is better to use MCB, it is easy to install and cheaper. you can select MCB tripping class A,B or C depends on your application.

Is This Answer Correct ?

0 Yes

0 No

if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??..

Answer / sahedul islam sagor

MCCB tripping Capacity is low when MCB. We know a machine starting current is high but its running current is normal if we used MCB it will trip instant with starting current but if we use MCCB it will take a little time for running machine.

Is This Answer Correct ?

0 Yes

1 No

Post New Answer

More Electrical Engineering Interview Questions

how to calculate the ngr capacity(nutral grounding resistor)

2 Answers Divis Laboratories,

why star point of motor shall not be grounded?

8 Answers

State and define norton’s theorem?

0 Answers

Is there any difference between circuit breakers and isolators