Description

The Schneider Electric ATV71HD11N4 belongs to the robust Altivar 71 series. This high-performance frequency inverter manages three-phase asynchronous and synchronous motors effectively. It delivers 11 kW (15 hp) of power for demanding industrial applications. The drive excels in constant torque environments. It provides precise speed control and high torque at low speeds. Engineering teams utilize this drive to improve machine efficiency. It also reduces mechanical wear on drivetrain components.

Technical Specifications

• Brand: Schneider Electric
• Model: ATV71HD11N4
• Product Type: Variable Speed Drive (VFD)
• Rated Power: 11 kW / 15 hp
• Input Voltage: 380V to 480V AC (Three-Phase)
• Supply Frequency: 50/60 Hz
• Output Current: 27.7 A at 380V
• Control Algorithms: Flux Vector Control (FVC), Sensorless Vector, V/Hz
• Speed Range: 1:1000 (Closed Loop), 1:100 (Open Loop)
• Enclosure Rating: IP20
• Communication: Modbus and CANopen (Standard)

Functional Performance

This variable speed drive features advanced motor control laws. It supports closed-loop operations via encoder feedback. The unit maintains speed accuracy within 0.01% of nominal ratings. Users can configure energy-saving profiles for unbalanced loads. It handles heavy-duty cycles with significant overtorque capacity. The drive protects motors against thermal overload and short circuits. It also manages internal voltage fluctuations during deceleration.

Industrial Applications

The ATV71HD11N4 suits complex machinery in diverse sectors. It powers hoisting equipment and material handling systems. Process plants use it for high-torque mixing and pumping. It performs well in wood processing and textile manufacturing. The drive integrates easily into PLC-controlled architectures. It supports multiple industrial communication protocols through option cards. This versatility ensures compatibility with modern automation networks.