The Schneider Electric Altivar 71 Variable Speed Drive — ATV71HD45N4Z is a high‑performance industrial variable frequency drive (VFD) designed to control three‑phase AC motors up to 45 kW (60 HP) in demanding applications. It belongs to the Altivar 71 family, engineered for complex and high‑power machines requiring precise speed and torque control, vector control options, and integrated protection features. This drive includes an integrated EMC filter, supports multiple control methods, and offers flexible communication capabilities such as Modbus and CANopen. It is suitable for pumps, conveyors, fans, compressors, mixers, and other heavy‑duty motor‑driven equipment.
Technical Parameters
Parameter Specification
Product Name Schneider Electric Altivar 71 Variable Speed Drive
Model ATV71HD45N4Z
Drive Type Variable Frequency Drive (VFD)
Rated Motor Power 45 kW (60 HP)
Supply Voltage 380–480 V AC (–15% / +10%)
Supply Phase 3-phase
Network Frequency 47.5–63 Hz
Line Current ~104 A @ 380 V; ~85 A @ 480 V
Nominal Output Current ~94 A @ 380 V; ~77 A @ 460 V
Output Frequency Range 0.1–500 Hz
Switching Frequency 1–16 kHz (adjustable, nominal 2.5 kHz)
Maximum Motor Cable Length ≤100 m (shielded); ≤200 m (unshielded)
Control Modes Sensorless Flux Vector (SFVC), Flux Vector with sensor, V/f profile
Motor Types Supported Asynchronous and synchronous motors
Integrated EMC Filter Yes
Protection Functions Overcurrent, over/undervoltage, phase loss, thermal protection
IP Protection Rating IP20
Ambient Operating Temperature –10…50 °C (without derating)
Standards Compliance EN/IEC 61800‑5‑1, EN/IEC 61800‑3
Assembly Style Panel mount with heatsink
Typical Applications Pumps, fans, compressors, conveyors, mixers, and other motor-driven machinery