High-Power Motor Control with the Schneider Electric Altivar 71 Drive

Core Technical Specifications

• Brand & Model: Schneider Electric ATV71HD75N4
• Product Line: Altivar 71 Variable Speed Drive
• Rated Motor Power: 75 kW / 100 HP
• Input Supply: 380-480V AC, 3-Phase, 50/60 Hz
• Nominal Output Current: 124A @ 460V / 160A @ 380V
• Output Frequency Range: 0.1 to 500 Hz
• Standard Control: Sensorless Flux Vector Control (SFVC), Voltage/Frequency

Advanced Performance Features

• Achieve a wide speed control range from 1:100 to 1:1000 using encoder feedback.
• Delivers high torque accuracy within +/-5% in closed-loop control mode.
• Provides strong transient over-torque of 170% for 60 seconds.
• Features an integrated EMC filter to minimize electromagnetic interference.
• Includes a heat sink assembly style for effective thermal management.
• Offers adjustable switching frequency from 1 to 16 kHz for optimized performance.

Environmental Ratings & Durability

• Operating Temperature: -10°C to 50°C (14°F to 122°F).
• Storage Temperature: -25°C to 70°C (-13°F to 158°F).
• Enclosure Protection: IP20 rating for basic internal safety.
• Compliance: Meets CE, UL, CSA, and IEC 61800 standards.
• Designed to operate at altitudes up to 1000m without derating.
• Built with vibration and shock resistance for harsh industrial settings.

Installation & Connection Details

• Mount the drive vertically within a +/-10-degree tolerance.
• Use shielded motor cables up to 100m or unshielded up to 200m.
• Connect main power terminals (L1/R, L2/S, L3/T) with 41 N.m torque.
• Control terminals require a tightening torque of 0.6 N.m.
• The system requires a prospective short-circuit current below 22 kA.
• Always adhere to the manufacturer's installation guide and local codes.

Frequently Asked Questions (FAQ)

• Q: What is the horsepower rating of this drive?
  A: The ATV71HD75N4 is rated for 100 HP (75 kW) motors.
• Q: Does it include built-in communication ports?
  A: Yes, it features built-in Modbus and CANopen interfaces.
• Q: Can I control synchronous motors with this drive?
  A: Yes, the Altivar 71 series supports both asynchronous and synchronous motors.
• Q: What is the standard switching frequency?
  A: The nominal switching frequency is 2.5 kHz, adjustable up to 16 kHz.

© 2026 Ubest Automation Limited. https://www.ubestplc.com/ All rights reserved.
Contact: sales@ubestplc.com Phone: +86 180 3000 5825