The Schneider Electric Altivar 71 (ATV71) is a discontinued series of high-performance, general-purpose AC drives designed for controlling three-phase asynchronous motors. The 30kW/40HP models were engineered for demanding industrial applications requiring robust torque performance and reliable speed regulation.
Parameter Specification
Product Name Schneider Electric Altivar 71 Variable Speed Drive
Model / Series ATV71HD30N4
Rated Power 30 kW / 40 HP (3-phase AC)
Rated Supply Voltage 380–480 V AC (-15%…+10%)
Supply Phase 3-phase
Rated Line Current ~56 A @ 480 V; ~66 A @ 380 V
Nominal Output Current 52 A @ 460 V, 4 kHz; 66 A @ 380 V, 4 kHz
Apparent Power ~43.4 kVA @ 380 V
Max Motor Cable Length ≤100 m (shielded); ≤200 m (unshielded)
Integrated Filter EMC filter included
Output Frequency Range 0.1…599 Hz
Switching Frequency 1…16 kHz (adjustable; 4 kHz nominal)
Control Features Sensorless Flux Vector (SFVC), Flux Vector with sensor (FVC), V/f profile, Energy adaptation (ENA)
Transient Current Capability Up to ~109 A for 2 s; ~99 A for 60 s
Prospective Fault Current (Isc) ≤22 kA
Application High-power motor speed/torque control; industrial systems
Typical Protection Overcurrent, over/undervoltage, phase loss (dependent on configuration)