what is the differance of acb and mcb and mccb

Answers were Sorted based on User's Feedback



what is the differance of acb and mcb and mccb..

Answer / jessy

All these are circuit breakers of different Current Ranges.

mcb is used for low current ranges, avaiable uo to 63A
mccb is used for medium current ranges up to 3200 A
acb is used for more higher ratings.

Is This Answer Correct ?    43 Yes 12 No

what is the differance of acb and mcb and mccb..

Answer / viswanathan.k

MCB - Miniature circuit breaker is used from 1A to 100 Amps
rating. which is only magentic tripping device
MCCB - Moulded circuit breaker is used from 32amps to
1600amps ( combination of both thermal and magentic
tripping)
ACB - Air circuit breaker is used from 630amps to 5000amps
capacity - in older version only thermal tripping only. now
a days it is combination of both thermal and magnetic
tripping

Is This Answer Correct ?    24 Yes 4 No

what is the differance of acb and mcb and mccb..

Answer / prasad

there are so may circuit breakers, depends upon their ratings
we use up to 63A as mcb and above this current we use mccb or
acb.

acb means air circuit breaker

Is This Answer Correct ?    15 Yes 7 No

what is the differance of acb and mcb and mccb..

Answer / mani777

mcb.......o.5 to 63amp
mccb......upto ...1600 amp
acb(air circuit breaker) used in big transformer...hence
for more amps

Is This Answer Correct ?    6 Yes 3 No

what is the differance of acb and mcb and mccb..

Answer / ram

please correct long form of mccb, it is moulded case
circuit breaker.
all are the different types of ckt bkrs & are used
according to the load in amps.

Is This Answer Correct ?    4 Yes 1 No

what is the differance of acb and mcb and mccb..

Answer / dan

MCB - miniture circuit breaker
MCCB - molded case circuit breaker
acb - air circuit breaker

MCB are upto ~60 amp
MCCB are from 60 amp to thousands amp
ACB are for huge power stations thousands of amps.

Is This Answer Correct ?    4 Yes 2 No

what is the differance of acb and mcb and mccb..

Answer / deepak mishra

mcb-miniature circuit breaker- 6amp to 63amp
mccb-moulded case circuit breaker- upto 1600amp
acb- air circuit breaker- above 1600amp
regards deepak

Is This Answer Correct ?    3 Yes 5 No

what is the differance of acb and mcb and mccb..

Answer / marc

Hello.
Does someone know what is AACB ? Amp Air Circuit Breaker.
What is the difference with ACB ?

Thank you

Is This Answer Correct ?    0 Yes 2 No

what is the differance of acb and mcb and mccb..

Answer / shiva.sh

mcb-miniature circuit breaker- 6amp to 100 amp
mccb-moulded case circuit breaker- upto 1000 amp
acb- air circuit breaker- above 6000 amp

Is This Answer Correct ?    0 Yes 2 No

what is the differance of acb and mcb and mccb..

Answer / ankush dhiman

mcb (miniature ckt. breaker) is used for low current
ranges, avaiable uo to 63A
mccb (miniature current ckt breaker )is used for medium
current ranges up to 800 A
acb (air ckt breaker)is used for more higher ratings.

Is This Answer Correct ?    6 Yes 11 No

Post New Answer

More Electrical Engineering Interview Questions

what is the Space heater? why using in Electrical motor?

3 Answers  


what is effect of length of air gap on performance of dc motor and generator?

0 Answers   DEI,


3-PHASE 15KVA dg IS EQUIVALENT TO 12 KW,hOW?

2 Answers   TATA,


what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?

0 Answers  


What is defference between earthed and unearthed cable(HT)? Which is better for under ground cabling?

1 Answers  






How to calculat size of copper & aluminium ?

6 Answers  


What is the effect of solar radiation on the design of an Isolated Phase Busduct?

0 Answers   Exide, Punj Lloyd Ltd,


if the voltage across the lamp drops by 1%, the power drawn will be reduced by how many %?

5 Answers   PSPCL,


What is the technical name of Transformer Oil ?

17 Answers   Bhel, Don Bosco, Lanco,


Types of 132KV and 222 KV protection.

1 Answers  


how megger step up the DC voltage

1 Answers   Voltech,


what is meaning of bus riser

0 Answers   TeamLease,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)