Schneider Electric ATV71HD37N4: High-Power Variable Speed Drive for 37kW Motor Control

Core Technical Specifications & Power Details

• Manufacturer: Schneider Electric
• Model: ATV71HD37N4
• Product Type: Variable Speed Drive (VSD)
• Motor Power: 37 kW / 50 HP (3-phase 380...480V)
• Input Voltage: 380-480V AC, 3-Phase (Range: 323…528 V)
• Nominal Output Current: 65 A @ 460V / 79 A @ 380V
• Maximum Transient Current: 130 A for 2 s / 118.5 A for 60 s
• Output Frequency: 0.1 to 599 Hz
• Control Profiles: Sensorless Flux Vector Control (SFVC), Flux Vector Control, V/F
• Communication: Integrated Modbus and CANopen ports
• Graphic Terminal: Included for easy monitoring and setup.

Robust Build & Environmental Ratings

• Operating Temperature: -10°C to 50°C (14°F to 122°F) with no performance reduction.
• Storage Temperature: -25°C to 70°C (-13°F to 158°F).
• Protection Rating: IP20 enclosure for standard industrial settings.
• Integrated EMC Filter ensures compliance with electromagnetic standards.
• Comprehensive protections include overcurrent, phase loss, overheating, and short-circuit safety.
• Safety: Features a Safe Torque Off (STO) function via a dedicated 24V DC safety input.
• Certifications: UL, CSA, CE, and meets IEC 61800 standards.

Frequently Asked Questions (FAQ)

• What is the main use for this Altivar 71 drive? It controls variable speed for complex machinery using 37kW motors.
• Does the drive include a braking resistor? No, but it supports an external resistor for up to 150% braking torque.
• Can I expand its communication capabilities? Yes, optional cards for Profibus DP, EtherNet/IP, and other protocols are available.

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