Schneider Electric ATV71HU75N4: Compact Variable Speed Drive for 7.5kW Motor Control

Core Technical Specifications & Power Details

• Manufacturer: Schneider Electric
• Model: ATV71HU75N4
• Product Type: Variable Speed Drive (VSD)
• Motor Power: 7.5 kW / 10 HP (3-phase 380...480V)
• Input Voltage: 380-480V AC, 3-Phase (Range: 323…528 V)
• Nominal Output Current: 14 A @ 460V / 17.6 A @ 380V
• Maximum Transient Current: 29 A for 2 s / 26.4 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: Integrated for easy monitoring and setup.

Advanced Control Performance & Accuracy

• The ATV71HU75N4 delivers precise speed and torque control for various motor types.
• It provides a wide speed range up to 1:1000 in closed-loop mode with encoder feedback.
• Speed accuracy achieves ±0.01% of nominal speed in high-precision closed-loop mode.
• Torque control accuracy is ±5% in closed-loop mode for consistent performance.
• The drive offers a transient overtorque of 170% for 60 seconds to handle demanding starts.

Robust Design & Environmental Specifications

• Operating Temperature: -10°C to 50°C (14°F to 122°F) with no derating required.
• Storage Temperature: -25°C to 70°C (-13°F to 158°F).
• Protection Rating: IP20 enclosure for standard industrial environments.
• Integrated EMC Filter ensures electromagnetic compatibility in sensitive setups.
• Comprehensive protections include overcurrent, phase loss, and thermal overload safety.
• Safety: Features Safe Torque Off (STO) function via dedicated 24V DC safety input.
• Certifications: UL, CSA, CE, and meets IEC 61800 standards for reliability.

Installation Flexibility & Connectivity

• Motor Cable Length: Supports up to 50 m (shielded) or 100 m (unshielded) for flexible installation.
• Power Terminals: Accept 6 mm² (AWG 8) cables, tightened to 3 N.m torque.
• Control Terminals: For 2.5 mm² (AWG 14) signal cables, tightened to 0.6 N.m.
• I/O Configuration: 2 analog inputs, 1 analog output, 7 discrete inputs, and 2 relay outputs.
• Compact Dimensions: 175 mm (W) x 295 mm (H) x 187 mm (D) for space-efficient mounting.

Frequently Asked Questions (FAQ)

• What motor types work with this Altivar 71 drive? It controls both asynchronous and synchronous motors effectively.
• Is a braking resistor included? No, but the drive supports an external resistor for up to 150% braking torque.
• Can I add more communication options? Yes, optional cards for Profibus DP, EtherNet/IP, and other networks are available.

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