What is the Difference Between MCCB & ACB & VCB

Answer Posted / pankaj kumar gupta

MCCB -Molded case circuit breaker
ACB - Air circut breaker.
VCB - Vaccum circuit breaker.

ACB USE IN L.T SYSTEM.
VCB USE IN H.T SYSTEM.

Is This Answer Correct ?    14 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?

2155


I completed my BE EEE degree 2006 .... which license should i apply .... ?????

1171


If breaker is undefined position, first step to do.

1786


what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1419


What is dynamo?How it works and what is the function of dynamo in a DG.

1586






What are the functions of temperature scanner in power transformer?

1632


In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

1523


Mention the disadvantages of low power factor? How can it be improved?

680


What is super thermal power plant? and how it will differ from normal thermal power plant

1839


2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?

1592


RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

1614


Dear Sir/Madam, I have one questions we have three steam turbines and one Gas turbine and our industry linked with the public network, we have protection system one of the protection is reverse power we can export just four MW only i would like to ask about how to calculate the reverse power. Thank you in advance best regards

1635


What do you mean by passive circuit elements and why these are called passive?

660


how technical is calculated in 11kv line and lt line

1462


what is kvarh? Please define it With calculation General motors ?

702