GEM

Mahanadi Coalfields Limited ISOLATOR 200 AMP 6.6KV & VACUUM CONTACTORS Tender 2025

Posted

26 Oct 2025, 11:20 am

Deadline

06 Nov 2025, 12:00 pm

Value

₹16,87,884

Location

ANGUL , ODISHA

Progress

Issue26 Oct 2025, 11:20 am
AwardPending
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Quantity

70

Category

VACUUM CONTACTOR 400 AMPS, 3.3KV, Part no.HT200

Bid Type

Two Packet Bid

Categories 8

CONTACTORS AMPS STATIC CONVERTERS STRING INSTRUMENTS SWITCH YARD BRIDGE EARTH LEAKAGE RELAY RECTIFIERS

Tender Overview

This procurement by Mahanadi Coalfields Limited targets a comprehensive set of power distribution components, including ISOLATOR 200 AMP, 6.6KV, VACUUM CONTACTOR 400 AMPS, 3.3KV, and associated auxiliaries (e.g., 110V DC closing coil, 3NO 1NC 110V auxiliary contactors, resin cast PT/CBCT units, and earth leakage/overcurrent protection devices). The estimated contract value is ₹16,87,883.75 with scope limited to the supply of goods. The items appear to comprise multiple HT/ LT protective devices and control hardware, suitable for substitution or upgrade in coal mining electrical infrastructure. The BoQ lists 15 items, but individual item details are not disclosed. Primary differentiators include specific part nos. HT100, HT200, HT350/HT500 series, and 6.6KV resin-cast components. Delivery terms are governed by Buyer’s option clauses and GST compliance. This tender is positioned within the GeM platform under the Coal India/ CIL umbrella, targeting suppliers capable of quick, order-driven supply.

Technical Specifications & Requirements

  • Product names and categories identified in the title: ISOLATOR 200 AMP, 6.6KV; VACUUM CONTACTOR 400 AMPS, 3.3KV; VACUUM CONTACTOR CLOSING COIL 110V DC; AUXILIARY SWITCH FOR VACUUM CONTACTOR; AUXILIARY CONTACTOR 3NO 1NC, 110V; RESIN CAST P.T 300VA 3.3KV 110V, RESIN CAST MOULDED CBCT; EARTH LEAKAGE RELAY UNIT COMPLETE; UNDERVOLTAGE RELAY HT2000; STATIC TYPE IDMTL OVER CURRENT AND SHORT; VACUUM CONTACTOR RECTIFIER BRIDGE; PT RESIN CAST 300VA 6.6KV 110V 3P; RESIN CAST MOULDED CBCT 6.6KV; CT RESIN CAST MLDD 6.6KV; ISOLATOR 200 AMPS, 6.6KV.
  • Estimated value: ₹16,87,883.75; delivery windows subject to option clause; quantity adjustments up to ±25% allowed.
  • No explicit standalone specifications provided; data sheet alignment required on upload; GST considerations follow actuals or lower of quoted rates; data sheet mismatch can lead to bid rejection.
  • Data sheet alignment and GST invoicing rules are mandated for GeM submissions; supplier must ensure GSTIN of consignee on invoices.
  • Required documentation includes product data sheets and certificates at bid time; terms emphasize price-inclusive scope of supply.

Terms, Conditions & Eligibility

  • EMD details not disclosed in the data; option clause permits ±25% quantity variation; delivery period calculations solidify at last delivery date plus adjusted duration (minimum 30 days).
  • Scope: Only supply of Goods; GST applicability to be determined by bidder’s calculation; GST invoice to be uploaded with GST payment confirmation.
  • Data Sheet alignment is mandatory; mismatches may lead to bid rejection; supplier must provide OEM authorizations and technical certifications per bid documents.
  • Invoices must be raised in consignee name with the consignee GSTIN; payment processes follow GST portal confirmations.
  • Termination rights exist for non-performance, delivery failures, insolvency, or material contract breach; reminders for extension and penalties are implied by standard procurement clauses.

Key Specifications

    • ISOLATOR 200 AMPS, 6.6KV (Part no. HT100A) and associated HT series components
    • VACUUM CONTACTOR 400 AMPS, 3.3KV (Part no. HT200) with 110V DC closing coil
    • AUXILIARY SWITCH FOR VACUUM CONTACTOR and AUXILIARY CONTACTOR 3NO 1NC, 110V
    • RESIN CAST P.T 300VA 3.3KV 110V, RESIN CAST MOULDED CBCT 6.6KV
    • EARTH LEAKAGE RELAY UNIT COMPLETE and UNDERVOLTAGE RELAY HT2000
    • STATIC TYPE IDMTL OVER CURRENT AND SHORT (Part no. HT900A)
    • VACUUM CONTACTOR RECTIFIER BRIDGE and PT RESIN CAST 300VA 6.6KV 110V 3P
    • CT RESIN CAST MLDD, 6.6KV (Part no. HT650A)

Terms & Conditions

  • Option Clause allows ±25% quantity variation during and after contract at contracted rates

  • Scope limited to supply of goods; no installation; GST handling as per bidder's calculation

  • Delivery period tied to last delivery order date with extended time formula and minimum 30 days

  • Data Sheet alignment and certificate uploads are mandatory; mismatch may lead to rejection

Important Clauses

Delivery & Quantity Flexibility

Quantity may vary up to ±25%; delivery period recalculated per option clause with minimum 30 days extension

GST & Invoicing

GST payable by bidder; invoice to be raised in consignee name with consignee GSTIN; GST portal payment confirmation required

Data Sheet Verification

Bidder must upload complete Data Sheets; mismatches with offered parameters may result in bid rejection

Bidder Eligibility

  • Experience in supplying switchgear and auxiliary electrical components

  • Demonstrated ability to meet delivery timelines on similar GeM procurements

  • Compliance with GST requirements and availability of OEM authorizations

Bill of Quantities (BOQ) 15 Items

Item # Title Description Quantity Unit Consignee Delivery (Days)
1 ISOLATOR 200 AMP,3.3 KV ON OFF, Part no.HT100 ISOLATOR 200 AMP,3.3 KV ON OFF, Part no.HT100 2 nos [email protected] 60
2 VACUUM CONTACTOR 400 AMPS, 3.3KV, Part no.HT200 VACUUM CONTACTOR 400 AMPS, 3.3KV, Part no.HT200 2 nos [email protected] 60
3 VACUUM CONTACTOR CLOSING COIL 110V DC VACUUM CONTACTOR CLOSING COIL 110V DC 4 nos [email protected] 60
4 AUXILIARY SWITCH FOR VACUUM CONTACTOR AUXILIARY SWITCH FOR VACUUM CONTACTOR 4 nos [email protected] 60
5 AUXILIARY CONTACTOR 3NO 1NC, 110V AUXILIARY CONTACTOR 3NO 1NC, 110V 8 nos [email protected] 60
6 RESIN CAST P.T 300VA 3.3KV 110V, 3 PHASE, Part no.350 RESIN CAST P.T 300VA 3.3KV 110V, 3 PHASE, Part no.350 4 nos [email protected] 60
7 RESIN CAST MOULDED CBCT RESIN CAST MOULDED CBCT 8 nos [email protected] 60
8 EARTH LEAKAGE RELAY UNIT COMPLETE EARTH LEAKAGE RELAY UNIT COMPLETE 8 nos [email protected] 60
9 UNDERVOLTAGE RELAY, Part no.HT2000 UNDERVOLTAGE RELAY, Part no.HT2000 4 nos [email protected] 60
10 STATIC TYPE IDMTL OVER CURRENT AND SHORT, Part no.HT900A STATIC TYPE IDMTL OVER CURRENT AND SHORT, Part no.HT900A 4 nos [email protected] 60
11 VACUUM CONTACTOR RECTIFIER BRIDGE VACUUM CONTACTOR RECTIFIER BRIDGE 8 nos [email protected] 60
12 PT RESIN CAST 300VA 6.6KV 110V 3P, Part no.HT300D PT RESIN CAST 300VA 6.6KV 110V 3P, Part no.HT300D 2 nos [email protected] 60
13 RESIN CAST MOULDED CBCT 6.6KV, Part no.HT500A RESIN CAST MOULDED CBCT 6.6KV, Part no.HT500A 4 nos [email protected] 60
14 CT RESIN CAST MLDD, 6.6KV , Part no.HT650A CT RESIN CAST MLDD, 6.6KV , Part no.HT650A 6 nos [email protected] 60
15 ISOLATOR 200 AMPS, 6.6KV , Part no.HT100A ISOLATOR 200 AMPS, 6.6KV , Part no.HT100A 2 nos [email protected] 60

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Required Documents

1

GST registration certificate

2

PAN card

3

Experience certificates (relevant to electrical switchgear procurement)

4

Financial statements (as applicable)

5

EMD/Security deposit documentation (as stipulated by GeM)

6

Product data sheets and technical data for all offered items

7

OEM authorizations for each major component (HT100/HT200 series, resin-cast CBCT, etc.)

8

Quality/certification documents (where applicable)

Frequently Asked Questions

How to bid for ISOLATOR and VACUUM CONTACTOR tender with Mahanadi Coalfields Limited in 2025?

Bidders should submit GST certificate, PAN, data sheets, OEM authorizations, and experience certificates. Ensure the product data sheets match HT100/HT200 series parts and 6.6KV resin cast components; include EMD details if required and upload GST invoices and GST portal screenshots during GeM submission.

What documents are required for GeM bid submission for electrical switchgear tender in 2025?

Required documents include GST registration, PAN, data sheets, OEM authorizations, and experience certificates showing prior supply of switchgear. Also attach financial statements if requested and proof of GST payment confirmations from the portal.

What are the technical specifications for 6.6KV resin cast CBCT components in this tender?

The tender specifies RESIN CAST MOULDED CBCT 6.6KV and PT RESIN CAST 300VA 6.6KV; bidders must provide data sheets proving voltage rating, insulation class, and compatibility with 110V control circuits; ensure 6.6KV capacity and 300VA power rating are clearly stated.

When is the delivery window for additional quantities under the option clause in this tender?

Delivery timing follows the option clause; additional quantity delivery is calculated as (Increased quantity ÷ Original quantity) × Original delivery period, with a minimum of 30 days; extension may apply up to the original delivery period.

What are the payment terms for the Mahanadi Coalfields Limited supply contract?

Payment terms specify GST-compliant invoicing; bidders must upload GST portal payment confirmation; payment processing follows consignee GSTIN requirements; no explicit advance terms are stated—verify during bid submission.

Which standards or certifications are required for the auxiliary contactors and ISOLATORS?

Bidders should provide data sheets and OEM authorizations; ensure compliance with relevant Indian electrical standards and any IS or BIS certifications referenced in the data sheets; mismatch risks bid rejection.