ATV71HU22N4 – Schneider Electric Altivar 71 Variable Speed Drive

2.2 kW (3 HP) · 380-480 VAC · 3-phase · 0.1–599 Hz · Integrated EMC filter · Graphic terminal · 12-month warranty · Ships 24–28 hours via FedEx / UPS / DHL

Product Overview

• ATV71HU22N4 belongs to the Altivar 71 series – advanced variable speed drive.
• Rated motor power: 2.2 kW (3 HP) for 3-phase 380–480 VAC networks.
• Output frequency range: 0.1–599 Hz – covers broad speed control needs.
• Built-in EMC filter meets electromagnetic compatibility standards.
• Integrated graphic terminal simplifies setup, monitoring, and diagnostics.
• Designed for complex, high-power machines – asynchronous and synchronous motors.

Technical Specifications

• Manufacturer: Schneider Electric · Model: ATV71HU22N4 · Series: Altivar 71
• Motor power: 2.2 kW (3 HP) · Input voltage: 380–480 VAC -15…10% · Phase: 3-phase
• Output frequency: 0.1–599 Hz · Nominal switching freq: 4 kHz (adjustable 1–16 kHz)
• Line current: 7.1 A (480V) / 8.2 A (380V) · Apparent power: 5.4 kVA
• Nominal output current: 4.8 A (460V) / 5.8 A (380V) @ 4 kHz
• Max transient current: 8.7 A (60s) / 9.6 A (2s) · Prospective line Isc: 5 kA
• Motor control profiles: Sensorless flux vector (SFVC), flux vector with encoder (FVC), V/F ratio (2/5 points), ENA system
• Speed range: 1…100 (open-loop async) / 1…1000 (closed-loop async) / 1…50 (open-loop sync)
• Speed accuracy: ±0.01% (closed-loop) / ±10% slip (open-loop) · Torque accuracy: ±15% (open) / ±5% (closed)
• Transient overtorque: 170% for 60s · 220% for 2s · Braking torque: ≤150% with resistor
• Protection: Overvoltage, undervoltage, overcurrent, short-circuit, thermal, phase loss, overheating
• Communication: Modbus (RJ45) + CANopen (SUB-D 9) · Protocols: RTU, CANopen
• Ambient temp (operation): –10 to +50 °C · Storage: –25 to +70 °C
• IP degree: IP20 · Pollution degree: 2 · Vibration: 1 gn / 1.5 mm peak
• Weight: 3.0 kg (6.6 lbs) · Dimensions: 230 x 130 x 175 mm (H x W x D)

Installation & Mounting Guidelines

• Mounting: Vertical ±10° · With heat sink – ensure proper airflow.
• Electrical connection: Terminals: 2.5 mm² (AWG 14) for control; 4 mm² (AWG 10) for power.
• Tightening torque: 0.6 N·m (control) · 1.4 N·m (power).
• Max motor cable length: 50 m (shielded) · 100 m (unshielded).
• Use copper 70/90 °C cables per IEC; UL Type 1 kit optional for NEMA enclosures.
• Operating altitude: ≤1000 m without derating; derate 1% per 100 m up to 3000 m.

Commissioning, Maintenance & Diagnostics

• Graphic terminal provides real-time monitoring, parameter adjustment, and fault logging.
• Diagnostic LED (red) indicates drive voltage status.
• Protection: against overcurrent, short-circuit, overheating, phase loss, and DC bus overvoltage.
• Insulation resistance: >1 MΩ at 500 VDC for 1 minute.
• Braking: DC injection braking to standstill; optional braking resistor for higher torque.
• Maintenance: Periodic check of cooling fins and terminal torque; no routine calibration.

Compatibility & Typical Applications

• Compatible motors: Asynchronous (induction) and synchronous (permanent magnet) motors.
• Control modes: Sensorless flux vector, closed-loop flux vector with encoder, V/F ratio.
• Applications: Conveyors, hoists, cranes, extruders, mixers, pumps, fans, compressors.
• Option cards: Communication (Profibus DP, DeviceNet, EtherNet/IP, Modbus TCP), I/O extension, encoder interface, controller inside.
• Works with Schneider Electric Altivar 71 ecosystem – fully integrated.

Certifications & Standards

• Certifications: UL, CSA, NOM 117, GOST, C-tick, CE marked.
• Standards: EN 55011 Class A, EN 61800-3 (C2), EN/IEC 61800-5-1, IEC 60721-3-3.
• EMC immunity: Level 3 per IEC 61000-4-2, -3, -4, -5, -6; voltage dips per IEC 61000-4-11.
• Environmental: 5–95% RH non-condensing; shock 15 gn / 11 ms.

Frequently Asked Questions (Expert Insight)

• Q1: Can the ATV71HU22N4 run a synchronous motor without an encoder?
  Yes. The drive supports open-loop vector control for synchronous motors (1…50 speed range). For high precision, add an encoder feedback card.
• Q2: What is the real-world switching frequency limit with derating?
  The nominal is 4 kHz; you can adjust up to 16 kHz, but derate output current above 4 kHz. For 2.2 kW, 8 kHz is typical without significant derating.
• Q3: Which braking resistor do you recommend for hoisting applications?
  Use a braking resistor rated for at least 150% torque. Schneider VW3A7 series resistors are compatible. Ensure resistor thermal protection is configured.
• Q4: How do I integrate this drive with a PLC via Modbus?
  Use the RJ45 port on the front (Modbus RTU, 4800–38.4 kbps). Set address (1–247) and parity. The drive supports standard read/write holding registers.
• Q5: What is the maximum cable length for the encoder feedback?
  For encoder interface cards, keep shielded cable under 100 m for reliable signal integrity. Use twisted-pair with proper grounding.

Why Buy From Oiltech Controls?

• Over 15 years in industrial automation spare parts – deep technical knowledge.
• Worldwide shipping via FedEx, UPS, DHL – fast and trackable.
• All units are tested (surplus/refurbished) with technical verification before dispatch.
• 12-month warranty covers manufacturing defects and performance issues.
• Expert support for obsolete control systems – we find alternatives.

Contact: info@oiltechcontrols.com · +86 158 8020 0923 (WhatsApp)

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