Supply of Electrical Insulation Materials, Circuit Breakers, and Cables

Work Description - NA

This tender, identified by Bid Number GEM/2026/B/7874039, is being issued by Central Coalfields Limited, a subsidiary of Coal India Limited, under the Ministry of Coal. The bid period commences on August 17, 2026, at 2:08 PM and concludes on August 28, 2026, at 3:00 PM. The procurement encompasses a diverse range of electrical and insulation materials, including various types of adhesive tapes such as self-fusing silicon rubber tape (Scotch 70 or equivalent), PVC insulation tape (Empire, yellow, 0.75 in x 50m), and Micanite tape (1 in x 50m x 5 mils). Additionally, the tender specifies the supply of Molded Case Circuit Breakers (MCCBs) in multiple configurations: 250A, 4P with 36kA interrupting capacity; 630A, 4P at 415V, 50Hz, 3 Phase; and 400A, 4P at 415V AC with 35kA interrupting capacity, 50Hz. The requirement also includes electrical cables of varying specifications: 1.1 KV rated, 4 core aluminum cables with 10mm² conductor diameter and PVC covering; 1.1 KV rated, 4 core aluminum cables with 6mm² conductor diameter and PVC insulation; and 1.1 KV rated, 2 core aluminum cables with 2.5mm² conductor diameter and PVC insulation. Finally, the tender calls for insulation mats of Class C, working grade 33KV, 3mm thickness conforming to IS 15652:2006, specifically 1m x 1m sheets of 2.5mm synthetic material for 11KV grade. The total quantity for this comprehensive procurement is 2227 units. The issuing office is Central Coalfields Limited Ranchi, Jharkhand.