What is In (current rating) shown on the MCCB? Is this full
load which can withstand by the circuit breaker
Answers were Sorted based on User's Feedback
Answer / chandra_edu
The current shown in mccb is like below
240/415v
9kA
20A
here 9ka means rated short circuit current when appears
during fault which mccb can withstand
and
20a is actual load current it can withsatnd
| Is This Answer Correct ? | 15 Yes | 4 No |
Answer / devesh mishra
ln=200A means the full/maximum load current(200A) beyond which the MCCB trips due to overload.
9KA stands for the breaking capacity.
| Is This Answer Correct ? | 7 Yes | 3 No |
Answer / manikandan
20a-MCCB rated current
9KA-MCCB Breaking capacity ahen short citcuit occour
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / mrudang
20a = eithstand current by mccb
9ka = breaking capacity of mcb
| Is This Answer Correct ? | 1 Yes | 1 No |
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