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Western Coalfields Limited Earth Leakage Relay & Digital Display Supply Tender 2026

Bid Publish Date

24-Jan-2026, 11:45 am

Bid End Date

10-Feb-2026, 5:00 pm

Location

YAVATMAL , MAHARASHTRA
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Progress

Issue24-Jan-2026, 11:45 am
Corrigendum03-Feb-2026
AwardPending
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Quantity

20

Key Highlights

  • • Specific part numbers for electrical protection equipment: EA6610C, EA6561, BD5999, 1650TS, EA6890, EA6650, BD9295, EA6591, BD1871, BC9977, BA1134
  • • Scope limited to 'Only supply of Goods' for earth leakage and protection relays
  • • Bid quantity flexibility up to 25% as per option clause
  • • Delivery timing adjustments linked to original delivery period with minimum 30 days
  • • No explicit start date, end date, or estimated contract value provided
  • • Hardware components include trays, isolating spouts, current transformers, and 110V DC power pack
  • • Isolating equipment and NV auxiliary switches are part of the catalog of items

Categories 15

AIR COOLED ENGINE POWER CURRENT TRANSFORMER MUD PUMPS AIR CIRCUIT BREAKER EPOXY MORTAR RESINS MCCB GLASS REINFORCED PLASTIC ELECTRICAL SUBSTATION FLUXMETERS STATIC CONVERTERS EARTH LEAKAGE RELAY FIBER REINFORCED POLYMER SUB STATION

Tender Overview

Western Coalfields Limited invites bids for the EARTH LEAKAGE RELAY WITH DIGITAL LEAKAGE DISPLAY FACILITY and related components, including multiple Part Nos (EA6610C, EA6561, BD5999, 1650TS, EA6890, EA6650, BD9295, EA6591, BD1871, BC9977, BA1134). Scope: Only supply of Goods for electrical protection and control assemblies; includes hardware trays (BD9295) and current transformer (BA1134 with ratio 200 by 100 by 5 by 5 A). The tender references 11 BOQ items; exact quantities and value not disclosed. Delivery terms are governed by an option clause allowing up to 25% quantity variation during contract execution. Location and start/end dates are not provided. The bid should reflect all costs in a single price for the complete supply package.

Technical Specifications & Requirements

  • Product category: Electrical protection relays and associated control hardware (Earth leakage, IDMT, overcurrent, shunt trip, auxiliary, and isolation components).
  • Included items (examples): EARTH LEAKAGE RELAY WITH DIGITAL LEAKAGE DISPLAY FACILITY (Part No. EA6610C), IDMT RELAY COMPLETE WITH 2 OVER CURRENT & EARTH FAULT (EA6561), POWER PACK UNIT 110V DC (BD5999), SHUNT TRIP COIL ASSEMBLY (1650TS), HIGH SPEED TRIPPING RELAY (EA6890), ** E.L. RELAY CORE BALANCE TRANSFORMER (EA6650)**, ASSORTED HARDWARE BD9295 TRAY (BD9295), UNDER AND OVER VOLTAGE RELAY (EA6591), NV AUXILIARY SWITCH (BD1871), ISOLATING SPOUT ASSEMBLY WITH NYLON SHROUD (BC9977), EPoxy Resin Cast CURRENT TRANSFORMER (BA1134, ratio 200/100/5/5A).
  • Standards/Certification: Not specified in the available data; the scope is defined as goods supply only.
  • Delivery/Installation: Terms include option-based delivery and extended delivery timing rules; exact delivery schedule not provided.
  • Experience/Capability: No explicit technical qualification listed; bidders must interpret the scope as capability to supply complex electrical protection equipment.

Terms, Conditions & Eligibility

  • EMD: Not disclosed in the provided data.
  • Scope: Bid price must include all cost components for supply of goods only.
  • Option Clause: Purchaser may increase/decrease quantity up to 25%, at contracted rates, during and after the initial delivery period; minimum additional time is 30 days.
  • Delivery: Delivery period tied to last date of the original delivery order; extension rules apply per option clause.
  • Documentation: Standard bid submission requirements apply; OEM authorizations and technical compliance may be implied by the terms.
  • Penalties/Compliance: Not specified in the provided terms; bidders should prepare for standard contract penalties and performance benchmarks per purchaser policy.

Key Specifications

  • Product/service names: EARTH LEAKAGE RELAY WITH DIGITAL LEAKAGE DISPLAY, IDMT RELAY, POWER PACK UNIT 110V DC, SHUNT TRIP COIL, HIGH SPEED TRIPPING RELAY, E.L. BALANCE TRANSFORMER, ISOLATING SPOUT ASSEMBLY, CURRENT TRANSFORMER 200/100/5/5A

  • Quantities: 11 BOQ items (quantities not disclosed)

  • Estimated value: Not specified

  • Experience requirements: Not explicitly stated; capability to supply complex electrical protection equipment implied

  • Quality/standards: Not specified; focus is on supply of goods only

Terms & Conditions

  • 25% quantity variation permitted under option clause with contract-rated prices

  • Delivery timing based on last date of original delivery order; extensions apply

  • Supply scope limited to goods; no services included

Important Clauses

Delivery & Quantity Variation

Option to increase/decrease quantity by up to 25% during contract; delivery extensions calculated as (increased quantity ÷ original quantity) × original delivery period with a minimum of 30 days.

Payment Terms

Not specified in the data; bidders should anticipate standard government contract payment norms and confirm with purchaser.

Warranty & Penalties

Not detailed in provided terms; bidders should verify warranty and LD terms during bid submission.

Bidder Eligibility

  • Experience in supplying electrical protection relays and related hardware

  • Ability to furnish OEM authorizations for the listed Part Nos

  • Financial capability to manage large-scale procurement and delivery of electrical components

Additional Tender Data

Commercial Details

Tender Category

Goods

Bid To RA

No

Item Category

EARTH LEAKAGE RELAY WITH DIGITAL LEAKAGE DISPLAY FACILITY, Part No.EA6610C , IDMT RELAY COMPLETE WITH 2 OVER CURRENT and EARTH FAULT by HIGH SET, Part No.EA6561 , POWER PACK UNIT 110V DC, Part No.BD5999 , SHUNT TRIP COIL ASSEMBLY, Part No.1650TS , HIGH SPEED TRIPPING RELAY, Part No.EA6890 , E.L. RELAY CORE BALANCE TRANSFORMER, Part No.EA6650 , ASSORTED HARDWARE BD9295 TRAY by 16, Part No.BD9295 , UNDER AND OVER VOLTAGE RELAY, Part No.EA6591 , NV AUXILIARY SWITCH, Part No.BD1871 , ISOLATING SPOUT ASSY WITH NYLON SHROUD, Part No.BC9977 , EPOXY RESIN CAST CURRENT TRANSFORMER, RATIO 200by100by5by5A, Part No.BA1134

Authority Records

MINISTRY OF COALCOAL INDIA LIMITED

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Documents 4

GeM-Bidding-8881884.pdf

Main Document

BOQ Document

BOQ

BOQ Document

BOQ

GEM General Terms and Conditions Document

GEM_GENERAL_TERMS_AND_CONDITIONS

Bill of Quantities (BOQ) 11 Items Sign in for GEM prices

#1

EARTH LEAKAGE RELAY WITH DIGITAL LEAKAGE DISPLAY FACILITY, Part No.EA6610C

EARTH LEAKAGE RELAY WITH DIGITAL LEAKAGE DISPLAY FACILITY, Part No.EA6610C

2 pieces Delivery: 60 days
#2

IDMT RELAY COMPLETE WITH 2 OVER CURRENT and EARTH FAULT by HIGH SET, Part No.EA6561

IDMT RELAY COMPLETE WITH 2 OVER CURRENT and EARTH FAULT by HIGH SET, Part No.EA6561

1 pieces Delivery: 60 days
#3

POWER PACK UNIT 110V DC, Part No.BD5999

POWER PACK UNIT 110V DC, Part No.BD5999

3 pieces Delivery: 60 days
#4

SHUNT TRIP COIL ASSEMBLY, Part No.1650TS

SHUNT TRIP COIL ASSEMBLY, Part No.1650TS

3 pieces Delivery: 60 days
#5

HIGH SPEED TRIPPING RELAY, Part No.EA6890

HIGH SPEED TRIPPING RELAY, Part No.EA6890

2 pieces Delivery: 60 days
#6

E.L. RELAY CORE BALANCE TRANSFORMER, Part No.EA6650

E.L. RELAY CORE BALANCE TRANSFORMER, Part No.EA6650

2 pieces Delivery: 60 days
#7

ASSORTED HARDWARE BD9295 TRAY by 16, Part No.BD9295

ASSORTED HARDWARE BD9295 TRAY by 16, Part No.BD9295

2 pieces Delivery: 60 days
#8

UNDER AND OVER VOLTAGE RELAY, Part No.EA6591

UNDER AND OVER VOLTAGE RELAY, Part No.EA6591

1 pieces Delivery: 60 days
#9

NV AUXILIARY SWITCH, Part No.BD1871

NV AUXILIARY SWITCH, Part No.BD1871

1 pieces Delivery: 60 days
#10

ISOLATING SPOUT ASSY WITH NYLON SHROUD, Part No.BC9977

ISOLATING SPOUT ASSY WITH NYLON SHROUD, Part No.BC9977

2 pieces Delivery: 60 days
#11

EPOXY RESIN CAST CURRENT TRANSFORMER, RATIO 200by100by5by5A, Part No.BA1134

EPOXY RESIN CAST CURRENT TRANSFORMER, RATIO 200by100by5by5A, Part No.BA1134

1 pieces Delivery: 60 days

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Required Documents

1

GST registration certificate

2

Permanent Account Number (PAN) card

3

Experience certificates for similar electrical protection equipment supply

4

Financial statements (latest) demonstrating financial stability

5

EMD/Security deposit documentation (exact amount not disclosed)

6

Technical bid documents showing capability to supply earth leakage relays and related hardware

7

OEM authorization letters or vendor authorizations for Part Nos listed

8

Any existing compliance certificates related to IS/IEC standards if available (not specified in tender)

Corrigendum Updates

1 Update
#1

Update

03-Feb-2026

Extended Deadline

07-Feb-2026, 12:00 pm

Opening Date

07-Feb-2026, 12:30 pm

Frequently Asked Questions

Key insights about MAHARASHTRA tender market

How to bid for earth leakage relay tender in 2026

Bidders must submit GST, PAN, experience certificates, financial statements, and EMD documents as part of the bid. The tender is for supply of goods only, covering multiple part numbers (EA6610C, EA6561, BD5999, 1650TS, EA6890, EA6650, BD9295, EA6591, BD1871, BC9977, BA1134). Ensure OEM authorizations are included for all items.

What documents are required for this Western Coalfields Limited bid

Required documents include GST registration, PAN card, recent financial statements, experience certificates for similar electrical equipment, EMD deposit proof, OEM authorization letters, and technical bid documents showing capability to supply the listed relays and transformers.

What are the delivery terms for the 25% option clause

The purchaser may adjust quantity by up to 25%, with delivery time extended using the formula (increased quantity ÷ original quantity) × original delivery period, minimum 30 days. Ensure pricing covers potential additional quantity without price escalation.

What standards or certifications are required for the relays

The tender data does not specify explicit standards. Bidders should confirm IS/IEC compliance and obtain OEM certifications for the listed part numbers (EA6610C, EA6561, etc.) to strengthen submission and ensure compatibility with Coal India specifications.

When is the bid submission deadline for this procurement

Exact submission date is not provided in the available data. Bidders should monitor procurement notifications from Western Coalfields Limited and Coal India Limited and align bid submission with standard tender timelines, ensuring all listed documents are ready before the deadline.

How to verify OEM authorizations for Part Nos listed

Obtain official OEM authorization letters for each Part No. (EA6610C, EA6561, BD5999, 1650TS, EA6890, EA6650, BD9295, EA6591, BD1871, BC9977, BA1134). Attach with technical bid to demonstrate permission to supply and install these components in government contracts.

What is the scope of supply in this tender

Scope is limited to the supply of goods only, including earth leakage and protection relays, power packs, shunt trip coils, current transformers, and related hardware trays. No installation or warranty service is explicitly mentioned; specify delivery and acceptance criteria in bid.

What is the estimated value of this procurement

The tender data does not disclose an estimated contract value. Bidders should prepare competitive pricing for 11 listed items and consider potential 25% quantity variations while maintaining unit price stability as per option clause.

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