Product Overview

The Schneider Electric ATV71HD11N4 is a premium 11 kW (15 HP) frequency inverter from the Altivar 71 range, engineered for high-performance motor control of three-phase asynchronous and synchronous motors. This drive is designed to handle complex, constant-torque applications that require exceptional precision and high overload capacity. With a versatile supply voltage tolerance ranging from 323V to 528V, the ATV71HD11N4 maintains stable operation across global power grids and in environments prone to voltage instability. Its integrated intelligence and advanced control laws enable significant reductions in mechanical wear while maximizing energy efficiency in heavy-duty industrial cycles.

Essential Performance Metrics and Physical Properties

The ATV71HD11N4 features sophisticated regulation algorithms and a robust mechanical design for reliable cabinet integration.

• Rated Power Output: 11 kW (15 HP)

• Input Supply Voltage: 380V to 480V AC (Operating range 323V - 528V)

• Output Frequency Range: 0.1 to 599 Hz

• Control Methods: Sensorless Flux Vector Control (SFVC), Flux Vector Control (FVC) with encoder, and Voltage/Frequency ratio (2 or 5 points)

• Speed Accuracy: +/- 0.01% of nominal speed in closed-loop mode

• Overload Capacity: Up to 170% of nominal motor torque

• Communication Interface: Integrated Modbus and CANopen (Supports optional Ethernet/IP, Profibus, etc.)

• EMC Filtering: Integrated Class A EMC filter

• Physical Dimensions: 27.9 x 21.6 x 6.3 cm

• Device Weight: 1.9 kg (Net unit weight) / Shipping weight approximately 4.5 kg

• Protective Rating: IP20

Industrial Implementation and Deployment Scenarios

This variable speed drive is specifically optimized for high-performance applications where speed accuracy and torque control are paramount.

• Hoisting and Lifting: Precision braking and smooth acceleration for overhead cranes, hoists, and elevators where safety and load stability are critical.

• Material Handling: Managing high-inertia conveyor systems and automated sorting lines with synchronized speed control.

• Packaging Machinery: Powering high-speed wrapping and bottling equipment requiring rapid response times and fine-tuned motor dynamics.

• Metal and Wood Processing: Driving saws, grinders, and lathes where maintaining constant torque at varying speeds is essential for finish quality.

• Process Engineering: Controlling industrial mixers, centrifuges, and agitators in chemical and pharmaceutical production environments.