Schneider Electric VW3A9303 Three-Phase AC Contactor

Schneider Electric VW3A9303 is a substitution kit for the Altivar ATV38/ATV58 drives, engineered to provide compatibility with the ATV71 family and enable upgrade paths for existing motor‑control installations. This VW3A9303 component is not a stand‑alone contactor; it functions as an adapter within Schneider Electric's Altivar accessory ecosystem, allowing ATV38/58 configurations to operate with ATV71 hardware and software interfaces. By using this substitution kit, users can align older ATV58/ATV38 configurations with the ATV71 platform, supporting continued operation of three‑phase motor control systems in industrial environments. The part is cataloged by Schneider Electric under the VW3A9303 designation and is referenced in regional catalogs as a replacement/adapter kit for ATV58/ATV38 to ATV71 transitions, enabling a streamlined migration without replacing the entire drive assembly.