Procurement of Siemens SIMATIC S7 Spare Parts for NALCO Smelter Plant

National Aluminium Company Limited (NALCO), a Public Sector Undertaking under the Ministry of Mines, is seeking qualified suppliers for the procurement of Siemens spare parts as detailed in Bid Number GEM/2026/B/8119048. This tender, managed by the Materials Department at the NALCO Smelter Plant in NALCO Nagar, Bhubaneswar, specifically calls for the supply of various Siemens HMI panels, Ethernet switches, CPU modules, power supply units, communication processors, input/output modules, racks, and accessories for their SIMATIC S7 300 and S7 1500 systems. The total quantity required is thirty (30) units across the specified item categories, which include but are not limited to SIEMENS 6AV664 30CB01 1AX1 MP277 8 HMI, SIMATIC HMIKTP1200 Basic HMI Panel, SIMATIC S7 1500 DI 16 24 V DC, Scalance XB008 Ethernet switch 8 port, SIEMENS CPU313CCAT 6ES7313 5BF03 0AB0, SIMATIC S7 300 CP 343 1 Lean, Siemens SITOP PSU100D PN DS NAL PM24V, SITOPPSU100L 24 V 20 A, SIEMENS 6EP1 333 2BA01 PS 24VDC5A, SIEMENS 6ES7 153 2BA02 0XB0 IM 153 2, SIEMENS 6ES7 195-1GF30 0XA0 S7 300 RACK, SIEMENS 6ES7 1957KF00 SAFETY PROTECT, SIEMENS 6ES7 331 7KF02 AI-08CH 4 20MA, SIEMENS 6ES7 315 2AG10 CPU 315 2DP, SIEMENS 6ES7 326 2BF01 DO 10 CH 24V 10A, SIEMENS 6ES7 331 1KF01 AI 08 CH 4 20MA, SIEMENS 6GK7 4431EX11 CP4431 ETH CARD, and CPU SYNC ACCESORY 6ES79601AA06 0XA0. Bidders are advised to carefully review the Bill of Quantities (BOQ) titled "SIEMENS SPARES" for precise specifications. The bidding period commences on 07-10-2026 at 4:21 PM and concludes on 19-10-2026 at 11:00 AM. Interested parties are encouraged to submit their comprehensive proposals to the Materials Department at 759145 PURCHASE DEPARTMENT NALCO SMELTER PLANT NALCO NAGAR.