what is a circuit breaker. Weite the types of circuit
breaker.

Answer Posted / v.balakrishnan,shj

Circuit breaker is used to break the power supply from
loads like switch, but it also protects loads from over
current, short circuit and earth fault.
Types of Circuit breakers as follows:-
MV
1.Air Circuit Breaker (ACB)
2.Vaccum Circuit Breaker (VCB)
3.Oil Circuit Breaker
4.SF6 Circuit Breaker
LV
1.Air Circuit Breaker (ACB)
2.Moulded Case Circuit Breaker (MCCB)
3.Earth Leakage Circuit Breaker (ELCB)
4.Miniature Circuit Breaker (MCB)
5.Motor Protection Circuit Breaker (MPCB)

(by,V.Balakrishnan,Shj,050-8847343)

Is This Answer Correct ?    32 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Work done in a free expansion process is

711


Why we cant store an ac power. If we coo store in which device we can?

1647


what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

1499


What are hrc fuses and where it is used?

739


what is zinc diffusion?

1549






What is self exciting?

1270


The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

1171


description about dry type transformers

1482


how to select correct size of power cable for inverter duty motor

926


how to identify vector group of three phase transformer by voltage method?

1162


IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.

1640


how to operate and maintenance of 1500 kva diesel generator set

1352


What is the formula of frequency ?

968


how to select battery for 15 KVA UPS with formula

2097


can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

1545