What are the difference between C-Curve and D-Curve for
MCB's.

Answer Posted / g.venkat reddy

MCB are classified as
B,C,D,K curve type

intant..trip current,

C....2-5 times the rated current.(motors,Ltg,inductive
loads)
D....10-20 times the rated current.
(Drives,computers&capacitors)

Is This Answer Correct ?    15 Yes 109 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

1776


if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

1824


What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

1543


primery try cell?

1586


WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.

3150






how diside ct mf exmp.200/5 ct

1651


How does the phase sequence controller works, how it identifies the phases? confirm working principle

1617


In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

3398


How to design the NGR Resistance

1621


what is the generator rating for 40 amp load of 3phase motor.?? 400v voltage of generator... plz tell me with formula its urgent...plzzz... and also tell me that this 40 amp at all phases mean 40 amp on red,40 amp on yellow,40 amp on blue...... or the total sum of that 3phase is 40 amp....

7133


DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

1624


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

2093


what is the working principle of a DG Set, Alternator, & exiter

9750


How to calculate the Harmonics losses in terms of cost/unit.

1559


Define transfer function?

750