Schneider Electric ATV630D55N4 AC Speed Drive

The Schneider Electric ATV630D55N4 AC speed drive is a 55 kW (75 HP) variable-frequency drive from the Altivar Process ATV600 family, engineered to deliver precise speed and torque control for three‑phase motors in industrial automation environments. It accepts a 380 to 480 V three‑phase power supply and provides a compact, indoor-friendly solution with an IP21 enclosure and UL Type 1 compliance, making it suitable for standard electrical rooms and controlled environments. As a mid‑range ATV630 model, it supports reliable motor control for applications that demand steady performance, smooth acceleration and deceleration, and integration with common plant controls. Verified specifications include 55 kW (75 HP) output, 380–480 VAC three‑phase input, plus enclosure ratings IP21 and UL Type 1; this model is designed to be swapped into existing ATV600/ATV630 architectures, offering Schneider Electric's build quality and compatibility with typical motor protections and diagnostics used in industrial drives.