supply, installation & commissiong of 630 amps acb 3 pole 50 ka mdo typethermal magnetic adjustable with copper bus bar , suitable cts, trippingarrangement, 3 phase induction lamps and all other necessary accessories fittedwith complete panel after dismantling of existinf 630 amps chd sheet steel mainswitch. hsn code : 8536 make: hpl, abb, siemens, ge .