Answer / koti

Bus bar = 2 nos of 200 X 12 mm Al
Cable = 5 R X 3.5 C x 630 Sq.mm Al

Answer / kshirod dash

cable size should be 6*600 sqmm aluminium armed cable 3.5 core
so that it will stand 2700 amp current

Answer / kennethbonn

Bus bar = 1/2 x 8mm @ 30deg.rise
Cable = 5090MCM

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Expand sqcm?

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