Answer / vinoth_sundar

VCB is vaccum circuit breaker which is used in HT lines.
MCCB is mould case circuit breaker which is used in LT lines
upto 1000V

Answer / guest

vcb is placed on hts lines and mccb is placed on lts lines

Answer / rajan.s

vcb in HT BANEL 33KV mccb lt RANGE 25A TO 1600A

Answer / vinayak

I think the vcb's are used for HT
lines(above 33kv) and mcb's &
mccb's are used on LT lines upto
33kv.

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