Schneider ATV320U55N4C Variable Speed Drive

Product Introduction

The Schneider Electric ATV320U55N4C Variable Speed Drive belongs to the Altivar Machine ATV320 series, a drive platform specifically developed for original equipment manufacturers (OEMs). It is designed to control three-phase asynchronous and synchronous motors, delivering reliable performance for both simple and advanced machine applications.

With a rated motor power of 5.5 kW (7.5 hp) and a supply voltage range of 380–500 VAC, the ATV320U55N4C provides precise speed and torque control across a wide operating range. Its robust construction, combined with conformal-coated printed circuit boards compliant with IEC 60721-3-3 class 3C3, allows stable operation in harsh industrial environments, including ambient temperatures up to 60°C without additional cooling.

The drive integrates advanced control functions suitable for most industrial applications. These include high-precision torque and speed control at very low speeds, sensorless vector flux control for high dynamic performance, and an extended output frequency range for high-speed motors. It also supports parallel motor connection and special drive configurations using voltage/frequency control with static speed accuracy.

Energy-saving operation for open-loop synchronous motors is supported, enabling improved efficiency in continuous-duty applications. The ATV320 series is engineered to meet the needs of packaging, material handling, textile machinery, material processing equipment, mechanical actuators, and lifting systems, while complying with major international standards such as IEC, UL, TUV, and KC.

Product Specifications

Applications

• Packaging Machinery: Accurate speed and torque control for conveyors, sealing machines, and cartoning systems.

• Material Handling Equipment: Suitable for conveyors, transfer units, and sorting systems requiring smooth motion control.

• Textile Machinery: Stable low-speed torque and dynamic response for spinning, winding, and weaving applications.

• Material Processing Systems: Reliable control for cutting, shaping, and forming machines under variable load conditions.

• Mechanical Actuators: Precise control of linear and rotary actuators in automated machinery.

• Lifting and Hoisting Applications: Controlled acceleration and deceleration for safe and efficient load handling.

Advantages

• OEM-Oriented Design: Optimized for machine builders with flexible integration and configuration options.

• High Environmental Robustness: Conformal-coated electronics ensure reliability in harsh operating conditions.

• Excellent Low-Speed Control: Maintains torque and speed accuracy even at extremely low motor speeds.

• Sensorless Vector Control: Delivers high dynamic performance without the need for motor feedback devices.

• Energy-Efficient Operation: Reduces energy consumption in continuous-operation and synchronous motor applications.

• Wide Application Coverage: Suitable for both simple and advanced industrial machine requirements.

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