NLC India Limited Pantograph Isolator Retrofitting Tender 420 kV 2026

Tender Overview

NLC India Limited, under the Materials Management department, invites bids for the retrofitting of 420 kV pantograph isolator. The contract references an EMD of ₹200,000 and includes an option to adjust quantities by up to 25% during contract execution. Bidders must be manufacturers or authorized dealers/Channel Partners, with stringent pre-qualification criteria. While no BOQ items or delivery dates are disclosed, the ATC emphasizes supplier capability and past performance in high-voltage pantograph isolators. The tender highlights a potential multi-year procurement dynamic and requires compliance with specified certifications. This procurement sits within the government/PSU supply chain and targets established OEM relationships to ensure reliability and warranty conformity. The unique element is the dual pathway PQR—manufacturer certification or authorized dealership status—paired with demonstrable prior supply to Govt./PSU entities.

Technical Specifications & Requirements

• PQR-1 mandates the bidder be a Manufacturer or an Authorized Channel Partner/Dealer of pantograph isolators. Documentation may include BIS, NSIC, SSI, DIC, UDYAM, or ISO proof; channel partners must provide an OEM authorization letter, an undertaking detailing warranty, and a manufacturer proof through Notary/Gazetted officer attestation.
• PQR-2 requires prior supply of at least three (3) pantograph isolators rated at 420 kV, 2000 A or higher to Govt./Quasi-Govt/PSU/IPP/public listed enterprises in the last 10 years.
• The scope focuses on retrofitting of high-voltage isolators, with no explicit dimensional or performance specs published in the tender text.

Terms, Conditions & Eligibility

• EMD: ₹ 200000.
• Eligibility: Manufacturer or Authorized Channel Partner/Dealer with OEM authorization; documented evidence per PQR-1.
• Delivery & Option Clause: Quantities may be increased up to 25%, with extended delivery period calculated as (Increased quantity ÷ Original quantity) × Original delivery period, minimum 30 days.
• Precedent Requirement: Minimum of three prior GOVT./PSU/IPO supply of 420 kV pantograph isolators in the last 10 years (PQR-2).
• The ATC requires compliance with general tender terms and delivery at the original/extended schedule once option is exercised.