Whot is the difference between MCB and MCCB.Whot is the
selection critearea for MCCB and MCB for 63 Amp.
Answer Posted / 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 |
Post New Answer View All Answers
What is the types of HT motor testing
What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?
Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.
What is Anemometer used to measure?
Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set
Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?
what is difference between isolation and ultra isolation transformer?, what is the method of testing ?
Can we put 3 layers of cable tray while installing tray
how many joint can done in HT line and what is life of the joint
what are the analog quality input for protection function?what are minimum reqiments?
from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?
Advantages of using generator circuit breaker (GCB) scheme in a power station ?
what kind of quetions will ask in BHEL in interview? Plz help me?
how we calculate the short circuit capacity of the busbar in LV & HT?
why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?