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

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

Question Posted / snr3032

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

Answer / s.manivannan

mcb b,c,d,k meaning

Is This Answer Correct ?

1 Yes

4 No

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

Answer / jason

B curve 4x In
c curve 7.5x In
d curve 10x In
c curve is used in most house switchbords. d curve is used where in rush currents are a problem ie motors that do not have soft starting.

Is This Answer Correct ?

5 Yes

9 No

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

Answer / sean foley

answer 11 is pretty much right.
A basic rule of thumb is
B - beyond normal lengths (for very long cables)
C - common (normal) installation
D - Demand on start-up (high initial "rush" current on
motors / heat pumps)

Is This Answer Correct ?

4 Yes

8 No

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

Answer / venkatesh s.r

"C" curve is used only for lighting because of Starting &
runnig current is same in that circuits

"D" curve is used in electronis circuit like
computer.Because of it will be with stand high armonics &
initial rash current.

Is This Answer Correct ?

8 Yes

79 No

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

Answer / 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

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

Answer / bcd

The difference between B, C and is the following.
B is the second letter of alphabet.
C is the 3-th letter of alphabet.
D is the 4-th letter of alphabet.

Thank you for your attention. ... (Take it easy).

Is This Answer Correct ?

39 Yes

178 No

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

Answer / ismail

C CURVE USED IN INDUSTIAL APPLICATION AND D CURVE USED IN
DOUMASTICK APPLICATION

Is This Answer Correct ?

34 Yes

433 No

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