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Isolation Transformer

Indian Space Research Organization

Department of Space › Satish Dhawan Space Centre Shar

Delivers to

Nellore, Andhra Pradesh

Overview

10 facts from the tender

Department of Space published this goods tender on GeM on 9 Oct 2026, for Nellore, Andhra Pradesh. No EMD is required. It closes on 30 Oct 2026, 4:00 pm IST. Bid number GEM/2026/B/8106849.

Timeline

  1. Published9 Oct 2026 · 4:11 pm

Bidding

Bid type
Bid
Evaluation method
Total value wise evaluation
Packet type
Single Packet Bid
Reverse auction
No
Total quantity
1

Buyer

Created by
rakeshkumar.r
Location
Nellore · Andhra Pradesh
Portal
GeM

Important dates

Published
9 Oct 2026, 4:11 pm IST
Closes
30 Oct 2026, 4:00 pm IST

Items & delivery

1 item · 1 delivery location

Item 1

Isolation Transformer

Quantity1 pieces
Delivery location

524124,VALF, SMP&ETF AND SPP STORES, SDSC SHAR, SRIHARIKOTA -524124, PHONE: 08623-225516/5843

Delivery
126 days
Specifications & requirements · 25
Specification Name
बड के िलए आवCयक अनुमत मूRय /Bid Requirement (Allowed Values)
Isolation transformer suitable for installed at
Inside the Lighting Distribution Board (LDB), at Welding DB panel itself, By the side of respective LDB, By the side of respective Welding DB, Inside Neutral Grounding Cubicle
Description of store
Isolation transformer for Neutral Grounding
Rating (in KVA)
20
No. of phase (in Nos.)
3
Winding connection HV/LV
Delta/Star
Voltage ratio
415/415V, +/- 5% taps (OCTC) in steps of 2.5%
Insulation class
F
One minute power frequency withstand voltage (in KV)
2.5
Material of enclosure
CR sheet (2.0 mm thick)
Enclosure protection (IP Rating), Ref. IS/IEC:60947 latest
Not applicable for Isolation transformer for Neutral Grounding
Enclosure protection transformer terminal box (IP Rating), Ref. IS/IEC:60947 latest
Not applicable for Isolation transformer for Neutral Grounding
Number of Termination insulators (hint: If not applicable select "0")
0
Number of Winding temperature indicator (s) with alarm and trip contact (as applicable) (hint: If not applicable selet "0")
0
Number of Cover lifting eyes (hint: If not applicable select "0")
0
Number of Transformer lifting lugs (hint: If not applicable select "0")
2
Number of Core and winding lifting lugs (hint: If not applicable select "0")
0
Number of Earthing terminals (hint: If not applicable select "0")
0
Number of Cable boxes (hint: If not applicable write "0")
0
Specification Name
बड के िलए आवCयक अनुमत मूRय /Bid Requirement (Allowed Values)
Number of Tap changing links
Not applicable
Other requirements for each transformer
Supporting structure, Foundation Bolts, Rating and diagram plate, Towing holes
Agreed to furnish additional routine test reports for
Not applicable
Agreed to furnish special test reports to buyer/consignee on demand
Not applicable
Additional Specifications
Supply of 3-phase 415V/415 1:1 25kVA Dry Type Ultra Isolation transformer complying with detailed specifications furnished in annexure.

Tender documents

Bid files and supporting documents, linked directly from GeM.

Policy & contract references

Documents you must submit

  • Additional Doc 1 (Requested in ATC)
  • Additional Doc 2 (Requested in ATC)
  • Additional Doc 3 (Requested in ATC)
  • Additional Doc 4 (Requested in ATC)

Eligibility

Experience & turnover exemptions

Micro & small enterprises (MSE)

Complete exemption
Exemption conditions

Yes | Complete

View PDF · p. 1

Exemptions depend on the evidence and conditions specified in the bid.

Preferences & relaxations

  • MSE purchase preference
  • EMD exemption
  • MII preference: no
  • Inspection required: no

Check each criterion against the tender notice before you bid.

Commercial conditions

EMD
Not required
Performance guarantee
3% for 19 months
Offer validity
90 days

Buyer requirements & conditions

Buyer-added conditions from the bid document.

OPTION CLAUSE: The Purchaser reserves the right to increase or decrease the quantity to be ordered up to 25 percent of bid quantity at the time of placement of contract. The purchaser also reserves the right to increase the ordered quantity up to 25% of the contracted quantity during the currency of the contract at the contracted rates. The delivery period of quantity shall commence from the last date of original delivery order and in cases where option clause is exercised during the extended delivery period the additional time shall commence from the last date of extended delivery period. The additional delivery time shall be (Increased quantity ÷ Original quantity) × Original delivery period (in days), subject to minimum of 30 days. If the original delivery period is less than 30 days, the additional time equals the original delivery period. The Purchaser may extend this calculated delivery duration up to the original delivery period while exercising the option clause. Bidders must comply with these terms.

The buyer organization is an institution eligible for concessional rates of GST as notified by the Government of India. The goods for which bids have been invited fall under classification of GST concession and the conditions for eligibility of concession are met by the institution. A certificate to this effect will be issued by Buyer to the Seller after award of the Contract. Sellers are requested to submit their bids after accounting for the Concessional rate of GST. Applicable Concessional rate of GST : 5 % Notification No.and date : 9/25 dated 17/09/2025

03

Scope of Supply

View PDF · p. 6

Scope of supply (Bid price to include all cost components) : Only supply of Goods

Warranty period of the supplied products shall be 1 years from the date of final acceptance of goods or after completion of installation, commissioning & testing of goods (if included in the scope of supply), at consignee location. OEM Warranty certificates must be submitted by Successful Bidder at the time of delivery of Goods. The seller should guarantee the rectification of goods in case of any break down during the guarantee period. Seller should have well established Installation, Commissioning, Training, Troubleshooting and Maintenance Service group in INDIA for attending the after sales service. Details of Service Centres near consignee destinations are to be uploaded along with the bid.

05

Buyer Added Bid Specific ATC

View PDF · p. 6

Buyer Added text based ATC clauses Note: Bidder is advised to submit the bid as per the specifications attached at buyer ATC .

06

Buyer Added Bid Specific ATC

View PDF · p. 6

Buyer uploaded ATC document Click here to view the file.

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