The Schneider Electric ATV212HD11N4 Variable Speed Drive is a reliable and energy-efficient 3-phase AC speed drive designed specifically for HVAC applications. Part of the trusted Altivar 212 series, this drive supports 11 kW / 15 HP motors and operates on 380–480V, 50/60Hz power supply. It delivers precise motor control while helping reduce energy consumption and operating costs in fans, pumps, and building automation systems.