how to select a circuit breaker?

Answer Posted / mahesh.s

Selection of circuit breaker mainly depends on the voltage
capacity for which its is connected in the circuit like
3.3kv,6.6kv,11kv,33kv,...etc and the breaking capacity of
that breaker means at wht current it will trip the ckt...
and making capacity,
Thermal capacity,
application like indoor or outdoor usage.

Is This Answer Correct ?    32 Yes 19 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

1395


what is an unbalance in acircuit? in a three phase 3wire circuit how an unbalance will come? in a three phase four wire system how an un balance is coming?

1429


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

1745


What if the difference beween internal and exrteranal LBB?

1297


i want some interview related questions with their answers which can help for attend the interviews...

1289






What is the ideal position cooling fan inside the dc motor?

1738


what is meaning of bus riser

2053


Explain and give examples about VCB?

2978


In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?

1845


How to calculate Air conditioning capacity for a telecom BTS shelter?

3130


how we calculate electrical load on a building according to area?

2383


HOW WE CALCULATE CURRENT IF THERE ARE NOT PRESENT ANY AMMETER OR MULTIMMETER??????

1465


difrent between vcb acb sf6 and mccb breakers

4752


derive DC RMS value for half wave rectifier?

2827


What is a surge supressor why its is used in synchronous generators

1619