Schneider ATV71HC40N4 Variable Speed Drive

Overview

The Schneider ATV71HC40N4 is a high-power variable speed drive from the Altivar 71 series. It controls complex industrial machinery efficiently and reliably. The drive supports 3-phase motors up to 400 kW (600 HP) at 380–480 V. It features an integrated EMC filter for enhanced electromagnetic compatibility. This model offers full torque control and energy-efficient motor management. The ATV71HC40N4 includes programmable logic, multiple communication ports, and robust protection features. Its reinforced version provides higher mechanical and thermal durability for demanding applications.

Technical Specifications

• Product Type: Variable speed drive, Altivar 71 series

• Application: High-power, complex industrial machines

• Motor Power: 355 kW or 400 kW, 3-phase 380–480 V

• Maximum Horsepower: 600 HP, 3-phase 380–480 V

• Maximum Motor Cable Length: 328.08 ft (shielded), 656.2 ft (unshielded)

• Line Current: 512–709 A depending on motor rating and voltage

• EMC Filter: Integrated

• Assembly Style: With heat sink, reinforced version available

• Nominal Output Current: 671–759 A, 2.5 kHz switching frequency

• Maximum Transient Current: Up to 1252 A for 2 s

• Output Frequency Range: 0.1–500 Hz

• Switching Frequency: 2.5–8 kHz, adjustable with derating

• Motor Control Profiles:

• Asynchronous: ENA system, sensorless flux vector, flux vector with sensor

• Synchronous: Vector control without speed feedback

• Speed Range:

• 1–1000 for asynchronous motor with encoder

• 1–50 for synchronous motor without speed feedback

• Speed Accuracy: ±0.01% with encoder, ±10% without feedback

• Torque Accuracy: ±5% with encoder, ±15% without feedback

• Transient Overtorque: 170% for 60 s, 220% for 2 s

• Braking Torque: ≤150% with resistor, 30% without

• Regulation Loop: Adjustable PI regulator

• Analogue Inputs: 2 (AI1 ±10 V, AI2 configurable 0–20 mA/0–10 V)

• Analogue Output: 1 configurable (0–20 mA or 0–10 V)

• Discrete Inputs: 7 programmable 24 V DC, including safety input

• Discrete Outputs: 2 configurable relay outputs

• Acceleration/Deceleration Ramps: Linear, 0.01–9000 s, adaptive if braking exceeded

• Protection Features: Overvoltage, undervoltage, phase loss, overcurrent, overheating, thermal and short-circuit protection

• Communication Ports: Modbus, CANopen; multiple connector types

• Physical Dimensions: 54.7 in H × 35.04 in W × 14.8 in D

• Net Weight: 727.5 lb

• Operating Temperature: -10–50 °C without derating

• Storage Temperature: -25–70 °C

• Altitude: ≤1000 m without derating; derating above 1000 m

• Standards & Certifications: CE, UL Type 1, EN/IEC 61800-5-1, CSA, NOM 117

• IP Rating: IP20

• Noise Level: 77 dB

• Vibration & Shock Resistance: 0.6 gn (10–200 Hz), 1.5 mm (3–10 Hz), 4 gn 11 ms

• Relative Humidity: 5–95% without condensation