Schneider ATV71HD22N4 Variable Speed Drive

Overview

The Schneider ATV71HD22N4 is a 22 kW (30 HP) variable speed drive from the Altivar 71 series. It delivers precise motor control for high-performance industrial machinery. The drive supports 3-phase motors at 380–480 V and includes an integrated EMC filter and reactor. Its design improves power quality, protects equipment, and ensures operational stability. This drive suits complex applications requiring energy efficiency, torque accuracy, and dynamic speed control.

Technical Specifications

• Product Type: Variable speed drive

• Series: Altivar 71

• Motor Power: 22 kW, 3-phase 380–480 V

• Maximum Horsepower: 30 HP, 3-phase 380–480 V

• Maximum Motor Cable Length: 328 ft shielded, 656 ft unshielded

• Power Supply Voltage: 380–480 V, ±15–10%

• Line Current: 42 A at 480 V, 50 A at 380 V

• EMC Filter: Integrated

• Assembly Style: With heat sink

• Apparent Power: 32.9 kVA at 380 V

• Prospective Line Isc: 22 kA

• Nominal Output Current: 40 A at 460 V, 48 A at 380 V

• Maximum Transient Current: 79.2 A for 2 s, 72 A for 60 s

• Output Frequency: 0.1–599 Hz

• Nominal Switching Frequency: 4 kHz, adjustable 1–16 kHz

• Motor Control Profiles: ENA system, Flux Vector Control (FVC), Sensorless Flux Vector Control (SFVC), Voltage/Frequency ratio

• Speed Range: 1–1000 asynchronous motor with encoder feedback, 1–50 synchronous motor without feedback

• Speed Accuracy: ±0.01% in closed-loop, ±10% without feedback

• Torque Accuracy: ±5% with encoder, ±15% without feedback

• Transient Overtorque: 170% for 60 s, 220% for 2 s

• Braking Torque: ≤150% with resistor, 30% without resistor

• Regulation Loop: Adjustable PI regulator

• Acceleration/Deceleration Ramps: Linear, S, U, or customized, 0.01–9000 s

• Braking to Standstill: DC injection

• Protection Features: Overvoltage, undervoltage, phase loss, overcurrent, short-circuit, overheating, thermal protection

• Analogue Inputs: 2, software-configurable, bipolar voltage and current types

• Analogue Output: 1, software-configurable, voltage or current

• Discrete Inputs/Outputs: 7 inputs, 2 outputs, configurable logic or relay

• Communication Ports: CANopen, Modbus, multiple protocol options

• Physical Interface: RS-485, RJ45, SUB-D 9

• Operating Temperature: -10 to 50 °C, storage -25 to 70 °C

• Operating Altitude: ≤1000 m without derating, 1000–3000 m with 1%/100 m derating

• Noise Level: 59.9 dB

• Vibration Resistance: 1 gn (13–200 Hz), 1.5 mm (3–13 Hz)

• Shock Resistance: 15 gn, 11 ms

• Protection Degree: IP20

• Standards Compliance: EN/IEC 61800-5-1, EN 61800-3, UL Type 1, IEC 60721-3-3

• Certifications: CE, UL, NOM, CSA, GOST, C-tick

• Dimensions (H×W×D): 16.5 × 9.06 × 9.3 in (420 × 230 × 236 mm)

• Net Weight: 21 kg