# Supply, Installation, Testing, and Commissioning of the Schweitzer Engineering Laboratories (SEL- 487E) Protection Scheme for the 20 MVA 66/11 kV Transformer No. 3 at Unitra Substation, including H-Frame and Low Voltage (LV) Bus Support for a period of six (06) months

> This tender closed on 2026-07-09.

- **Reference:** 025/2025/26
- **Issuer:** [King Sabata Dalindyebo Local Municipality](https://za.bidwunder.com/tenders/issuer/king-sabata-dalindyebo-local-municipality.md)
- **Region:** National
- **Type:** Open tender
- **Closing date:** 2026-07-09 12:00 SAST
- **Sectors:** [Civil engineering](https://za.bidwunder.com/tenders/sector/F42.md), [Specialised construction](https://za.bidwunder.com/tenders/sector/F43.md)

## Summary

#### Overview
**This tender is for the supply, installation, testing, and commissioning of the SEL-487E protection scheme for Transformer No. 3 at Unitra Substation (20 MVA, 66/11 kV), including H-Frame and Low Voltage bus support, for six months.** Bidders with electrical protection-system expertise, substation construction/installation experience, and commissioning capabilities should consider bidding.

#### How to Apply
- Submission deadline: 2026-07-09 10:00.
- Site meeting: Yes.
- Tender Type: Construction Tender.
- Documents available from: 04 February 2026.
- Issuer/Municipality: King Sabata Dalindyebo Local Municipality (Unitra Substation site, O.R. Tambo District).

## Description

Supply, Installation, Testing, and Commissioning of the Schweitzer Engineering Laboratories (SEL- 487E) Protection Scheme for the 20 MVA 66/11 kV Transformer No. 3 at Unitra Substation, including H-Frame and Low Voltage (LV) Bus Support for a period of six (06) months

Supply, Installation, Testing, and Commissioning of the Schweitzer Engineering Laboratories (SEL- 487E) Protection Scheme for the 20 MVA 66/11 kV Transformer No. 3 at Unitra Substation, including H-Frame and Low Voltage (LV) Bus Support for a period of six (06) months

Documents available from: 04 February 2026 Site Meeting: Yes Municipality: O.R.Tambo District Municipality

## Published on

- [CIDB i-Tender Register](https://registers.cidb.org.za/PublicTenders/TenderSearch)

More open tenders: https://za.bidwunder.com/tenders.md

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> Source: https://za.bidwunder.com/tenders/supply-installation-testing-and-commissioning-of-the-schweitzer-engineering-labo-758a8bdd