Allen-Bradley 2090-UXLF-336 AC Line RFI Filter

The Allen-Bradley 2090-UXLF-336 Ultra Series AC Line Filter is a three‑phase EMI/RFI suppression device rated for up to 460 VAC and 36 A, designed to reduce conducted noise on power feeds to Rockwell Automation servo and motion systems. Built as part of the Ultra line, it helps meet EMC requirements for high‑power drive applications by attenuating line transients and interference before they reach drive electronics. The filter is intended for three‑phase, 460 V systems and is commonly used with Rockwell Ultra‑series servo drives and related Kinetix equipment to keep motor control wiring clean and compliant in demanding industrial environments. It operates over a temperature range of −25 to 85 °C, enabling reliable performance in typical factory control panels. Catalog information identifies 2090‑UXLF‑336 as the 3‑phase, 36 A, 460 V configuration, and Rockwell Automation notes the Ultra Series 36 A line filters were discontinued as of December 31, 2025.