Schneider Electric ATV31HU55N4A Altivar 31 Variable Frequency Drive

Description

The ATV31HU55N4A is a robust Altivar 31 variable frequency drive (VFD) engineered to provide reliable speed and torque regulation for three-phase asynchronous motors. Rated for an output power of 5.5 kW and compatible with 500V three-phase power supplies, this drive is designed to optimize motor performance across various industrial applications. Part of the proven Altivar 31 series, it offers advanced motor control algorithms, ease of programming, and efficient energy management. Although now categorized as an obsolete product phase, the ATV31 remains a widely utilized solution for maintaining legacy industrial systems and machinery requiring precise control.

Features

• Power Rating: 5.5 kW for mid-range industrial motor control.
• Voltage Compatibility: Designed for 500V three-phase power networks.
• Control Precision: Advanced V/f and sensorless flux vector control algorithms.
• Flexibility: Highly adaptable for a wide range of constant and variable torque applications.
• Compact Design: Small form factor (2.05 kg) allowing for efficient cabinet space utilization.

Applications

• Material handling and conveyor systems.
• Industrial pumping and fan systems.
• Packaging machinery and automated production lines.
• Retrofitting or maintaining legacy machines utilizing Altivar 31 control architectures.

Technical Specifications

Installation Guidelines

• Ventilation: Install the VFD in a clean, ventilated control enclosure. Ensure adequate clearance around the cooling vents to prevent thermal trips.
• Wiring Practices: Keep control and signal cables physically separated from motor power cables to mitigate electromagnetic interference (EMI).
• Grounding: Establish a secure connection to the protective earth (PE) terminal to ensure safety and improve the drive's electromagnetic compatibility.
• Parameterization: Utilize the drive's built-in programming interface or remote terminal to configure parameters such as ramp-up/ramp-down times and motor nominal data.
• Maintenance: Since this unit is obsolete, ensure spare components are handled carefully and consider long-term migration strategies if the drive is critical to production