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Tender Details

Supply of Substation Spare-parts

Tender Number: 413/2026/BTB (PT/CSD/FA/2026/104)

PA Ref Number: PT/CSD/FA/2026/104

Tender Description

The General Services and Central Stores Directorate would like to purchase the following: 1. Relay DIFF-T 8 input 8 output 2. RELAY DIFF-F IN-1A TYPE: MICOM- P541 3. RELAY DOC – DEF TYPE REF615 4. RELAY OC AND EF TYPE REF615 5. MODULE OPTICAL INTERFACE NSD570 TYPE: O 6. SOCKET RELAY TERMINAL SOCKET TYPE: MMLG 7. RELAY TERMINAL SOCKET TYPE: MMLG01B1AA0 8. RELAY DIFF-F IN-1A TYPE: MICOM- P541 9. RELAY REF TYPE REF615 10. RELAY ANNUNCIATOR 48V DC, P-NO: MR11 1 11. RELAY ANNUNCIATOR TYPE: MAUEL-MR11-10. 12. RELAY ANNUNCIATOR PLUG-IN 48VDC MAUEL 13. RELAY ANNUCIATOR TYPE: MR11-3A VOLTAG 14. RELAY SUP. BB P-NO: MVTP31 MODEL: MVT 15. RELAY BUSWIRE VOLTAGE SUPERVISION TYPE 16. RELAY SUP-BB TYPE: MVTP31F1CB001D AUX.V 17. RELAY OC AND EF MICOM P141 18. RELAY SUP. -BB TYPE: MVTP31NICB1001E 19. RELAY BUSBAR TYPE: REB S00-CU03

Issued by: Central Stores Directorate - EWA
Internal/External: External
Invitation Method: Public (LOCAL GCC)
Initial Bond: BD 500
Bid Validity / Initial Bond Validity Period (Days): 120 days
Tender Fees: BD 30
Contract Duration: 15 Week
Is Alternate Bid Allowed: Yes
Publish Date: Thursday, 10 September 2026
Purchase Before: Saturday, 26 September 2026
Closing Date: Sunday, 04 October 2026
Opening Date: Monday, 05 October 2026
Is this tender/auction allocated exclusively for SMEs?: No

Additional Notes

تعتزم إدارة الخدمات العامة والمخازن المركزية شراء التالي:

The General Services and Central Stores Directorate would like to purchase the following:

1. Relay, Diff-T, Part number : P642915A6M0060P, -Main Processor : CPU3, 40TE case, 8 input, 8 output relay, -Protocole option : IEC61850 / Ethernet and K-BUS / RS485 -Aux Supply : 110-250 Vdc ( 100/120V) (8CT/1VT) -Rating : (In = 1/5A) (Vn 100/120V) (8CT/1V) -For protection equipment in transmission primary 66KV substations -Make : GE GRID UK

2. RELAY, DIFF-F, IN=1A TYPE: MICOM- P541, PART NUMBER: P541917B1M0300J, AUX.VOLT:110-250 V DC, PRODUCT SPECIFIC: 40 TE CASE, 8 INPUTS AND 7 OUTPUT RELAYS - 1300 NM SM CHANNEL. PROTOCOL OPTION: MODBUS, SOFT VERSION: 30 - J. FOR CONTROL AND PROTECTION AT ALSTOM SUBSTA ION FOR PROTECTION EQUIPMENT IN TRANSMISSION 66 KV SUB STATIONS SWITCHGEAR CONTRACT 48/98/3100. MFR: GE, UK.

3.RELAY, DOC + DEF, TYPE: REF615, IR: 1A RANGE: V AUX: 48-250V DC 100-240V AC, FRQ: 50/60 HZ, ORDER NO. HBFFAEAGNAA1ANN1XC, FOR PROTECTION EQUIPMENTS IN ELECTRICITY TRANSMISSION SUBSTATIONS. PROJECT. NO. 4602/2008/3100, MFR: ABB FINLAND.

4. RELAY, OC AND EF, TYPE: REF615, IR: 1A RANGE: V AUX: 48-250V DC 100-240V AC, FRQ: 50/60 HZ, ORDER NO. HBFAAAAANAA1ANN1XC, FOR PROTECTION EQUIPMENTS IN ELECTRICITY TRANSMISSION SUBSTATIONS. PROJECT. NO. 4602/2008/3100, MFR: ABB FINLAND.

5. MODULE, OPTICAL INTERFACE NSD570 TYPE: OTERM/P2P, NSD570 REF: 1KHW000955R0001, FOR PROTECTION EQUIPMENT IN ELECTRICITY TRANSMISSION SUBSTATION CONTRACT NO: 509/2003/4300-PM, MFR: ABB, SWITZERLAND, OR EQUIVALENT.

6. SOCKET, RELAY TERMINAL SOCKET TYPE: MMLG01B1AA0001B SPARE FOR RELAY OF PROTECTION EQUIPMENT IN TRANSMISSION PRIMARY SUBSTATIONS MFR: GECM, UK.

7. RELAY, TERMINAL SOCKET TYPE: MMLG01B1AA0001C FOR PROTECTION EQUIPMENTS USED IN PRIMARY SUBSTATIONS MFR: GEC ALSTHOME, UK.

8. RELAY, DIFF-F, IN=1A TYPE: MICOM- P541, PART NUMBER: P541917B2M0300J, AUX.VOLT:110-250 V DC, PRODUCT SPECIFIC: 40 TE CASE, 8 INPUTS AND 7 OUTPUT RELAYS - 1300 NM SM CHANNEL. PROTOCOL OPTION: MODBUS, SOFT VERSION: 30 - J. FOR CONTROL AND PROTECTION AT ALSTOM SUBSTAION FOR PROTECTION EQUIPMENT IN TRANSMISSION 66 KV SUB STATIONS SWITCHGEAR CONTRACT 48/98/3100. MFR: GE, UK.

9. RELAY, REF, TYPE: REF615, IR: 1A RANGE: V AUX: 48-250V DC 100-240V AC, FRQ: 50/60 HZ, ORDER NO. HBTCBABANAA1ANN1ZC, FOR PROTECTION EQUIPMENTS IN ELECTRICITY TRANSMISSION SUBSTATIONS. PROJECT. NO. 4602/2008/3100, MFR: ABB FINLAND.

10. RELAY, ANNUNCIATOR, 48V DC, P/NO: MR11 10-2A, MODEL: 11-94-52A, FOR PROTECTION EQUIPMENT AT CALCINER PLANT 66KV S/S, CONTRACT NO: 6 515/G/7/C-20, MFR: MAUELL, UK.

11. RELAY, ANNUNCIATOR TYPE: MAUEL- MR11-10.3A/220 V DC, AUX.V.220 V DC USED FOR CONTROL AND PROTECTION AT ALSTOM SUBSTATION FOR PROTECTION EQUIPMENT IN TRANSMISSION 66 KV SUB STATIONS SWITCHGEAR CONTRACT 48/98/3100, MFR: MAUELL, GERMANY., OR EQUIVALENT

12. RELAY, ANNUNCIATOR (PLUG-IN) 48VDC MAUELL TYPE 671612 FOR LV DISTRIBUTION BOARD IN CONTROL ROOM. MFR: S AND S, SWITZERLAND.

13. RELAY, ANNUCIATOR, TYPE: MR11-3A, VOLTAGE: 48V DC, FOR PROTECTION EQUIPMENT IN TRANSMISSION 66 KV SUB STATIONS SWITCHGEAR CONTRACT 48/98/3100, MFR: MAUELL, GERMANY, OR EQUIVALENT.

14. RELAY, SUP. BB, P/NO: MVTP31, MODEL: MVTP31F1CB1002C, Vx: 220- 250V DC, 50/60HZ, FOR PROTECTION EQUIPMENT AT CALCINER PLANT 66KV S/ S, CONTRACT NO: 6515/G/7/C-20, MFR: GEC ALSTHOM, UK

15. RELAY, BUSWIRE VOLTAGE SUPERVISION TYPE: MVTP31F1CB0251D VS:2,4,6,8,10,12, AND 14 FREQ.:50/60HZ,AUX.V.:30/34VDC FOR PROTECTION EQUI PMENTS USED IN PRIMARY SUBSTATIONS MFR: GEC ALSTHOM, UK.

16. RELAY, SUP-BB TYPE: MVTP31F1CB001D AUX.V: 220-250VDC RANGE: VS 2-14V, 50-60HZ SPARE FOR PROTECTION EQUIPMENT IN TRANSMISSION PRIMAR Y SUBSTATIONS MFR: GECM, UK.

17. RELAY, OC&EF, MICOM P141 TRANSFORMER OVERCURRENT AND EARTHFAULT RELAY PART NUMBER: P14191RN6S0910P FOR PROTECTION EQUIPMENT IN HID RIFFA AND MANAMA STATCOM SUBSTATIONS. CONTRACT: 4674/2019/3100. MFR: GE

18. RELAY, SUP. -BB, TYPE: MVTP31NICB1001E, SUPPLY: 220V, FOR PROTECTION EQUIPMENT IN TRANSMISSION 66 KV SUB STATIONS SWITCHGEAR CONTRA CT 48/98/3100, MFR: ALSTOM T & D PCL, FRANCE, OR EQUIVALENT.

19. RELAY, BUSBAR, TYPE: REB500-CU03, P/NO: 1MRB150082M0002, ORDER NUMBER: REB500-CU03-V73-S30-P1-B0-CA3-CB0, PWOER SUPLLY: 110-250-VDC, COMM. INTERFACE: 1EC61850-8-1, BINARY INPUT OUTPUT: INPUT 12,9 RELAY OUTPUT, FOR PROTECTIN EQUIPMENT IN TRANSMISSION PRIMARY SUBSTSTIONS, FOR SPARE FOR ADDUR 220KV&66KV SHAMAL ALFATEH 220KV&66KV PEOJECT:4602/2008/3100, MFR: ABB.

Approved Manufacturers:

• Item 1,2 & 8: GE - UK

• Item 3,4 & 9: ABB – Finland

• Item 5 & 19: ABB – Switzerland

• Item 10: Mauell – UK

• Item 13: Mauell - Germany

Mandatory Requirements:

Only offers from approved manufacturers will be evaluated.
It is mandatory to state the country of origin of the Item.
Meeting specified guarantee period is mandatory (Minimum 12 months).

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How to Participate?

Those who are capable and wish to participate in the above tender have to purchase the Tender Documents online through the Bahrain Tender Board’s portal https://etendering.tenderboard.gov.bh starting from Thursday, 10 September 2026
Bidders are requested to enclose with their bids the Initial Bond for the amount specified above or at the rate of 1% of the tender value whichever amount is lesser, provided that no initial bonds value shall be less than BD 100/-.
For Two-envelope tenders, bidders, are requested to attach the initial bond as stated above and it must be included within the technical bid.
The initial bond should be in the form of a Certified Cheque, Bank Guarantee, Insurance Policy or Bank Transfer (or as specified in the Tender Documents) valid for the duration specified above.
If the bidder chooses to submit the initial bond in the form of a Bank transfer, the guarantee amount must be provided as a fixed amount mentioned and not as a percentage of the bid value.
The bids deposit place: (As Mentioned in the Tender Documents)
In addition, the following shall be considered:
- Enclose copy of a valid Commercial Registration Certificate (CR) in line with the tender's subject.
- Enclose copy of a valid Bahrainisation Certificate issued by the Ministry of Labour.
This advertisement is considered supplementary to the tender documents. In case of any discrepancy between the Advertisement and the Tender Document, the Tender Document prevails.
Small and Medium Enterprises (SMEs)are eligible to obtain 10% preference in the financial evaluation stage when participating in tenders, and in auctions related to service facilities within government entities premises, however this shall not apply to tenders of a special nature. SMEs bidders shall submit along with their bids the valid SMEs Certificate issued by the Ministry of Industry and Commerce, which can be obtained through the following link (https://www.moic.gov.bh/index.php/en/sme_services)
Vendors who are not registered in the Tender Board's e-tendering system shall be required to register through the link (Supplier Registration) , and for assistance please contact the Tender Board through email helpdesk@tenderboard.gov.bh or call on Tel No. +97317566666.

Inquiries

For further inquiries please contact on:

Central Stores Directorate - EWA
17995500

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