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Answer Posted / antu paul
B,C,D Curves are characterised with instantaneous trimping
current and is as below
for B curve-above3*In-upto and include 5In
for C curve-above5In upto and include10In
for D curve-above 10In upto and include 20In
for Z curve 8In-12In for inductive loads
K curve for semiconducting devices
where In is the rated current of MCB.
| Is This Answer Correct ? | 18 Yes | 8 No |
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