UNSPSC 39122203: Sensitive switch

A switch with machine that expediently acts against external actions.

UNSPSC 39122203 Sensitive switch (Commodity) covers electromechanical and electronic switches used to detect and control states or transitions in industrial and utility operations. State and local procurement activity under this code focuses on replacement and upgrade of switches in critical infrastructure — network switches at airports, electrical switches for detention facilities and water systems, mercury float switches for pump control, and solenoid lock switches for transit systems. Issuing bodies span county governments (Hillsborough County Water Resources Department, Dallas Area Rapid Transit Authority serving Dallas County), municipal departments (City of Atlanta Department of Aviation, City of Dallas), school districts (Bibb County Public Schools, Northside Independent School District, Gordon County School System), and state agencies (Texas Department of Criminal Justice). The code shows steady activity across maintenance contracts, sole-source or brand-specific procurements, and infrastructure upgrade projects, with issuers favoring experienced suppliers capable of meeting technical specifications and delivery timelines.

Geographic activity is concentrated in Texas, Florida, and Georgia, with recent opportunities spanning Atlanta; Dallas; Tampa Bay (Hillsborough County); San Antonio; Macon; and Houston. Representative recent procurements include the City of Atlanta Department of Aviation's IFB for NEMA network switch replacement with labor and installation (due August 3, 2026), Hillsborough County Water Resources Department's ITB for mercury float switches used in wells and lift stations (due March 2, 2026, estimated contract value $60,000.00 over two years), Northside Independent School District's IFB for electrical equipment and parts including supplies and repairs (due July 1, 2026), and Hillsborough County's ITB for Square D brand contact kits for motor control (due February 24, 2026, estimated value $184,000.00 over two years). Dallas Area Rapid Transit Authority has posted multiple narrow-window procurements for specific switch and electrical components (solenoid lock switches, traction power fuses, obstruction light assemblies) with response deadlines of two to six days, all requiring BONFIRE registration and Net 30 payment terms. Opportunities show no dominant set-asides but commonly require E-Verify compliance, insurance, drug-free workplace certification, and firm pricing for contract duration.