Schneider Electric ATV28HU18N4U Variable Frequency Drive

The Schneider Electric ATV28HU18N4U is a 0.75 kW (1 HP) three‑phase variable frequency drive in the Altivar 28 family, designed to regulate speed and torque of 3‑phase asynchronous motors in industrial equipment. It accepts 380–460 V AC three‑phase input and provides 380–460 V AC three‑phase output, delivering up to 2.3 A of output current (3.6 A at 400 V / 3.2 A at 460 V input) with a 0.5–320 Hz output frequency and a 50/60 Hz supply. An integrated Class A EMC filter and IP20 protection enable reliable operation in panel‑mounted installations with a heat sink, making it suitable for conveyors, centrifugal pumps, fans, compressors, and material handling in manufacturing lines. Manufactured by Schneider Electric (Square D / Telemecanique), the ATV28HU18N4U supports equipment replacement, retrofits, energy efficiency upgrades, and new industrial motor control installations across automation systems.