UNSPSC 32101515: Attenuators

UNSPSC 32101515 Attenuators (Commodity) represents a narrow product category that state and local governments use primarily to procure electrical protection relays, specifically SEL-brand protection and feeder relays for power distribution and SCADA systems, though recent solicitations also tag attenuator trucks (impact-absorption devices for highway work zones) under this code. The scope of work includes sole-source relay replacements in utility electrical systems where equipment compatibility and interoperability with existing protection schemes, standardized settings, and SCADA infrastructure are mandatory; replacement of aging relay fleets without requiring system redesign or retraining; and commodity-level electrical components such as ballasts and capacitors used in facility maintenance. Issuing bodies include utility authorities (Kissimmee Utility Authority), state transportation departments (Idaho Transportation Department), county commissioners (Hillsborough County, Gwinnett County), school districts (Northside Independent School District in Texas), and transit authorities (Trinity Metro in Tarrant County, Texas). Recent activity shows utility-focused procurement alongside generic electrical-parts supply contracts; the mismatch between the code name (Attenuators) and the relay-replacement and general electrical-components work suggests the code classification is imprecise or inconsistently applied across jurisdictions.

Geographic activity concentrates in Florida (Kissimmee Utility Authority, Hillsborough County control panel and Schneider electrical component bids), Georgia (Gwinnett County ballasts and capacitors), Idaho (state transportation attenuator trucks), and Texas (Northside Independent School District, Trinity Metro, and City of Arlington). Representative recent opportunities include Kissimmee Utility Authority's sole-source RFQ for SEL 451 and SEL 751 protection relays posted September 14, 2026 (due August 24, 2026—note the past due date in the source); Idaho Transportation Department's ITB 1397 for 24 attenuator trucks posted September 4, 2026 (bids due October 7, 2026 with a non-mandatory pre-bid September 11); Hillsborough County's ITB for pump station control panels and enclosures (estimated $3.66 million over two years, bids due September 29, 2026); and Hillsborough County's ITB for ongoing Schneider electrical components (estimated $519,787.19 over two years, bids due June 18, 2026). Gwinnett County Parks and Recreation sought annual contract quotes for ballasts and capacitors (approximately 200 units each annually, quotes due June 12, 2026). The sourcing pattern reflects utility and transportation infrastructure modernization, with sole-source and brand-standardized procurement strategies common where legacy system compatibility is critical.