Answer / raghavendran.r

As far as I know It denotes the Peak and RMS value of
voltage.
U have mentioned as LI 75 AC 28 which can be re written as
LI/AC 75/28Kv (Peak/rms).But do verify the same with other
insulation level details.

hi sir i have load of 17.5kw in 3 phase lighting circuit which mcb i can use

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