Answer / kamalanathan.d

mcb in nothing but miniature circuit breaker it is
generally used for low current rating whereas MCCB is
moulded case circuit breaker this is used for high ampere
(load)rating

Answer / venkat iyer

MCB is a miniature circuit breaker that can safely break
only a small amount of short circuit current. The O/L and
S/C protection releases are factory calibrated and is not
adjustable at installation points. Max. available in India
is 10 KA. This its application is at the lowest end of
power utilisation such as small power, lighting and for
some small motor applications.

MCCB is a moulded case circuit breaker capable of switching
on and off a large amount of power. It is designed to carry
large amount of making current and breaking current. It
comes with -accessories like hunt trip, UV release,
adjustable short circuit and overload protection releases,
earth fault release etc.

Answer / jan

mccb moulded case cb- used in main power circuits
mcb - in low power circuits and in house wiring can be ac or dc

Answer / vasu

MCB(miniature circuit breaker) is low current rating only
MCCB(molded case circuit breaker) high current rating only
applicable.

Answer / d.shirisha

MCCBs and MCBs are protecting Devices for low power
distributions(LOW TENTION PANELS). MCB is used for lower
Amphere ratings and it is starting from single pole up to
four pole.MCCB is used for lower as well as higher Amphere
ratings it is in three pole and four pole...

Answer / chirag vyas

it's simple the MCBs used for small current breaking
whereas MCCBs for large current/Arc supression.
Both provides short ckt/magnetic protection.

Answer / md hasmat khan

(MCB) Stands for Miniature Circuit Breaker Which is used in
low current capacity MCB is not having the adjesement of
protection.
(MCCB) Stands for Moulded Case Circuit breaker Which is
used for High current capacity but MCCB over load, short
circuit, and earth fault.

Answer / kuldeep singh

MCB(miniature circuit breaker) is low current rating only
MCCB(molded case circuit breaker) high current rating only
applicable

Answer / subir kumar manna

MCB is a small type of mains power operator , thats
function is miniature cirquite breaker. overload protection
short circquite protection. there cappacityes is low current
carrieng capacityes .
MCCB that is a moulded case cirquite breaker, internaly
function of mccb any hunting trip and under voltage realese
over load realese , short cirquite realese , earth foult rea
lese . mccb is a large current carring capacities .

Answer / myint myint

MCB is miniacture circuit breaker , it can be use maximun
63A for load.
MCCB is Mould case circuit breaker, it can be use above 63A
for load.

In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?

0 Answers  

the power consumption of perminant magnet moving coil?

1 Answers  

What do you mean by creepage distance?

4 Answers   Amara Raja,

how did i get the competency certificate as electricle supervisor. iam completed my b.tech.but i dnt have any experince, this certificate is required for applyng ongc mangement trainees. what should i do sir please suggested me

0 Answers   ONGC,

How we Use DC Power in Transformers? is it possible ?

6 Answers  

What is mean by hot and cold loop testing? What is the difference between them?

0 Answers  

Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?

0 Answers  

What is the meaning, function and application of OLTC?

3 Answers   Home,

How the speed of synchronous motor changes with the variation of load?

1 Answers  

if we want to convert the two 12 V DC batteries in parallel for UPS ? what would be the result ? which is better for a UPS , connect two batteries in series or connect them in parallel ?

2 Answers  

What will happen when we connect 2 bulbs in series between 2 phases

7 Answers   Pepsi, PowerTech,

Between rotating armature type and rotating field type arrangements which one is adopted for large rated alternators and DC generators.Why there is difference in the choice?

1 Answers