ATV71HU55N4 380-480V Schneider Variable Frequency Drive

Schneider Electric Altivar 71 Variable Speed Drive: ATV71HU55N4

Core Technical Specifications

• Brand: Schneider Electric
• Model: ATV71HU55N4
• Product Type: Variable Speed Drive (VFD)
• Motor Power: 5.5 kW / 7.5 HP
• Input Power Supply: 380-480 VAC ±15/+10%, 3-phase, 50/60 Hz
• Nominal Output Current: 14.3 A @ 380V / 11 A @ 460V
• Output Frequency Range: 0.1 to 599 Hz
• Nominal Switching Frequency: 4 kHz (adjustable 1-16 kHz)
• Control Modes: Sensorless Flux Vector Control (SFVC), Flux Vector Control (FVC), V/F
• Integrated EMC Filter: Yes, for electromagnetic compliance
• Protection Rating: IP20
• Assembly Style: With heat sink

Performance & Control Features

• Provides a wide speed range of 1:1000 with encoder feedback for high precision.
• Ensures excellent speed accuracy of ±0.01% in closed-loop control mode.
• Delivers strong performance with 220% transient overtorque for 2 seconds.
• Features flexible acceleration/deceleration ramps: Linear, S, U, or Customized.
• Supports energy adaptation (ENA) for unbalanced load conditions.

Environmental & Durability Specifications

• Operating Temperature Range: -10°C to +50°C (14°F to 122°F) without derating.
• Operating Altitude: Up to 1000 meters (3280 ft) with full performance.
• Vibration Resistance: 1 gn (13-200 Hz) per IEC 60068-2-6.
• Shock Resistance: 15 gn for 11 ms per IEC 60068-2-27.
• Relative Humidity: 5% to 95% non-condensing.
• Complies with IEC 61000-4 series for surge, EFT, ESD, and RF immunity.

Electrical Connections & I/O

• Power Terminals: Accept cables up to 6 mm² (AWG 8) for main connections.
• Control Terminals: Accept 2.5 mm² (AWG 14) cables for I/O signals.
• Analog Inputs: 2 configurable inputs (AI1: ±10V, AI2: 0-10V/0-20mA).
• Analog Output: 1 configurable output (0-10V or 0-20mA).
• Discrete Inputs: 7 logic inputs, including 1 Safe Torque Off (STO) safety input.
• Relay Outputs: 2 configurable relay outputs for alarms or status.
• Communication: Integrated Modbus and CANopen communication ports.

Frequently Asked Questions (FAQ)

• Q: What is the power rating of the ATV71HU55N4?
  A: The ATV71HU55N4 is designed to control three-phase motors up to 5.5 kilowatts (7.5 Horsepower).
• Q: Does this drive include an EMC filter?
  A: Yes, the Schneider Electric ATV71HU55N4 features an integrated EMC filter as standard.
• Q: What types of motors can it control?
  A: This VFD can control both asynchronous (induction) and synchronous motor types.
• Q: What is the switching frequency?
  A: The nominal switching frequency is 4 kHz, adjustable from 1 kHz to 16 kHz.
• Q: What communication protocols are available?
  A: It has built-in Modbus and CANopen. Optional cards add Profibus DP, Ethernet/IP, DeviceNet, and more.
• Q: What safety features are present?
  A: Key safety features include a Safe Torque Off (STO) input and comprehensive electrical protection functions.
• Q: What is your return policy?
  A: We offer a 30-day return policy for products in new, unused condition with original packaging.

For further technical specifications or purchasing information, please contact us.
Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628

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