Schneider Electric ATV31HU55N4 Variable Speed Drive

The Schneider Electric ATV31HU55N4 Variable Speed Drive is engineered for precision control of asynchronous motors in a variety of industrial applications. This drive is particularly well-suited for environments where accurate speed and torque regulation are paramount, such as in manufacturing processes, HVAC systems, and material handling operations. By optimizing motor performance, the ATV31HU55N4 effectively addresses common engineering challenges related to energy efficiency and operational consistency.

Power and Performance

Designed to operate on a 3-phase supply voltage of 380-500V with a frequency range of 50-60 Hz, the ATV31HU55N4 delivers a power rating of 5.5 kW at 4 kHz, making it ideal for applications that demand robust motor control. With a motor power capability of up to 7.5 hp, this drive ensures stable performance across various load conditions. The nominal output current of 14.3 A at 4 kHz, along with a line current of 16.5 A at 500V and 21.9 A at 380V, allows for reliable operation even under demanding circumstances.

Efficiency and Protection

The ATV31HU55N4 incorporates an integrated EMC filter, ensuring compliance with electromagnetic compatibility standards and reducing interference in sensitive environments. Its protection ratings—IP20, IP21, IP31, and IP41—provide varying levels of defense against dust and accidental contact, making it suitable for diverse industrial settings where equipment durability is critical.

Advanced Features

Equipped with a frequency PI regulator, the ATV31HU55N4 allows for precise speed regulation across a broad range of 1 to 50, enabling engineers to fine-tune performance based on specific application requirements. The drive's versatile connectivity options, including three analog inputs, two analog outputs, six discrete inputs, and two outputs, facilitate seamless integration into existing control systems, enhancing operational flexibility.

Heat Management and Energy Efficiency

The design of the ATV31HU55N4 includes an efficient heat sink that promotes effective thermal management, thereby extending the operational life of the drive. With a power dissipation of 232W at nominal load, this variable speed drive is optimized for energy efficiency, contributing to reduced operational costs in industrial applications.

Applications

The ATV31HU55N4 is widely utilized in various sectors of industrial automation, including but not limited to conveyors, pumps, fans, and other motor-driven systems