In a panel 2500A ACB is the incoming breaker then what is
the size of the bus bar?

Answer Posted / rsundareee

The Busbar shall be 3P+N+E =2R x 150mm x 10mm each R,Y,B,N
and Earth Busbar shall be 1R x 150mm x 10 mm.and 85kA for
breaking capacity of the Bus bar.

Is This Answer Correct ?    5 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Pl. brief about break-down maintenance of machine tool.

1541


what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

1992


plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.

4713


what will happens if one phase is missing for 33/11kv power transfomer and why?

2383


What is slope...? Explain slope 1 and slope 2...?

1284






what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

3754


I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??

1569


in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?

1626


some basic standard questions on transformer.

1473


Types of test in Switchgears, MCC, NGR and DB's how it should be procced. Can anyone give me the details here or email me to pasuvaraj.k@gmail.com

1812


how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1643


I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me

1748


what is interpose? where it is used and why it is used?

804


in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.

1818


I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com

1909