supply of set of porcelain insulators. top and bottom for 7775 kva transformer bushings for wap7 locomotives. set consists of 04 items as given below: 1) porcelain insulator set 3kv/2000 a - 08 nos/set. 2) porcelain insulator set 3kv/1000 a - 08 nos/set. 3) porcelain insulator set 3kv/630 a - 08 nos/set. 4) porcelain insulator set 1kv/250 a - 10 nos/set.set of porcelain insulators. top and bottom for 7775 kva transformer bushings for wap7 locomotives. set consists of 04 items as given below: 1) porcelain insulator set 3kv/2000 a - 08 nos/set. 2) porcelain insulator set 3kv/1000 a - 08 nos/set. 3) porcelain insulator set 3kv/630 a - 08 nos/set. 4) porcelain insulator set 1kv/250 a - 10 nos/set.,set of porcelain insulators. top and bottom for 7775 kva transformer bushings for wap7 loc omotives. set consists of 04 items as given below: 1) porcelain insulator set 3kv/2000 a - 08 nos/set. 2) po rcelain insulator set 3kv/1000 a - 08 nos/set. 3) porcelain insulator set 3kv/630 a - 08 nos/set. 4) porcelain insulator set 1kv/250 a - 10 nos/set. [ warranty period: 30 months after the date of delivery ] ]