UNSPSC 32101503: Mixed circuit assemblies

UNSPSC 32101503 Mixed circuit assemblies is a Commodity code that encompasses sealed bids and proposals for custom and specialized circuit components, protective relay systems, and associated electronic assemblies serving state and local government operations. Recent solicitations show state and local buyers procuring complete circuit breaker units with integrated protective relays, custom printed circuit boards for research infrastructure, and mixed electronic equipment and parts through volume purchasing cooperatives. The issuing bodies span school districts, public power utilities, higher education institutions, and state-chartered cooperative purchasing vehicles. Northside Independent School District in San Antonio posts regular sealed bids for electronic equipment, parts, repairs, rentals, and services under this code; Lubbock Power & Light, a municipal utility, procures specialized outdoor circuit breakers with embedded relay and transformer assemblies; and the University of Wisconsin-Madison seeks custom printed circuit board assemblies for research use.

Geographic activity centers on Texas and the upper Midwest. Lubbock Power & Light's RFP #7137-26-ELD for three outdoor 15kV, 2000A vacuum circuit breakers with SEL-351S and SEL-551 protective relays, due September 24, 2026, targets delivery by March 21, 2027, with award expected October 20, 2026; evaluation weights cost and life-cycle maintenance at 30 percent each. Northside Independent School District's IFB 2026118 for electronic equipment, parts, repairs, rentals, and services, due September 24, 2026, replaces an expiring contract and requires all current vendors to resubmit to retain future business. The University of Wisconsin-Madison's RFB 2027-UWMSN-01396 for APxF Rev K3 custom printed circuit boards closed July 20, 2026. Sourcewell, Minnesota's cooperative purchasing vehicle, issued RFP #061626 for law enforcement equipment due June 16, 2026, structuring the resulting contract for multi-jurisdictional use across Washington state counties, higher education, school districts, and other public entities nationwide.