supply of outdoor type distribution transformer copper wound 11/0.416 kv.3phase , 50hz, 500 kvaas per is,1180-2014/is specification no. 2026 with first filling of oil as per is335, having off load tap changerof +/-7.5 in steps of 2.5. transformers manufactured should be tested at factory premises before dispatch.(routine test) as per is 2026/1180 and test certificate shall be produced along with supply. manufacturertechnical particulars of transformer as per annexure to be furnished with offer.
