UNSPSC 39122005: Inverter drive output filter

Electrical filter or choke unit connected to an inverter drive to filter unwanted RFI and EMI.

UNSPSC 39122005 Inverter drive output filter (Commodity) encompasses replacement parts, repairs, and maintenance services for variable frequency drives procured by state and local water, utility, and aviation authorities. The code sees active use in single-source and competitive procurement for both VFD components and full-service repair and diagnostics, with purchasing concentrated among regional water authorities, municipal water services departments, and airport authorities managing distributed VFD inventories across critical infrastructure facilities.

Recent activity clusters in Florida and Arizona. The City of Tampa Wastewater Department posted an intent to single source Yaskawa VFD replacement parts and repairs (26X01888, due September 30, 2026), while Tampa Bay Water announced sole-source procurement of Yaskawa VFDs and warranty maintenance through SJ Electro Systems, LLC., d/b/a ICON Technologies (2026511, due July 31, 2026). The City of Phoenix Water Services Department issued a five-year IFB for Variable Frequency Drives from ten specified manufacturers including Yaskawa, Siemens, and Eaton/Cutler Hammer (IFB-25-0749, due May 28, 2025, with pre-offer conference May 15, 2025). The Greater Orlando Aviation Authority solicited VFD Repair and/or Replacement Services through RFP 26-414, covering approximately 368 drives across multiple facilities in Orange County and Orlando City, Florida, with a proposal deadline of March 31, 2026, and a five-year contract term commencing May 1, 2026. Qualified contractors typically require ten years of documented VFD experience, multi-manufacturer technical capability, 24/7 emergency availability with specified response times, commercial general liability insurance of $1 million or higher, and compliance with OSHA, National Electrical Code, and IEC 61800 standards. Prevailing wage and small-business set-aside or veteran-owned business preferences appear in some municipal solicitations.