Product Overview

The Schneider Electric ATV303HU22N4 is a specialized 2.2 kW (3 HP) frequency inverter from the Altivar 303 series, engineered to provide precise speed regulation for three-phase asynchronous motors. Designed for 400V power systems, this drive focuses on streamlining the user experience by integrating essential control power sources directly into the unit. This architectural choice minimizes the need for external power modules, effectively reducing the overall footprint of the control cabinet. The Altivar 303 series is known for its ruggedness and ease of integration, making it a dependable choice for mid-range industrial tasks where reliability and simplified wiring are high priorities.

Engineering Specifications and System Data

The following hardware parameters define the operational boundaries and physical characteristics of the ATV303HU22N4 module:

• Power Rating: 2.2 kW / 3.0 HP

• Input Voltage: 380V to 480V AC (3-Phase)

• Logic Input Supply: 19–30V DC (100 mA) with overload and short-circuit protection

• Potentiometer Supply: 10–10.8V DC (10 mA) for 2.2 to 10 kOhm resistance

• Product Weight: 1.9 kg

• Physical Dimensions: 27.9 x 21.6 x 6.3 cm

• Protection Mechanisms: Integrated thermal monitoring, overcurrent suppression, and short-circuit safety

• HS Code: 8537101190

The drive’s internal power management is a standout feature, providing dedicated filtered voltage for both logic circuits and reference potentiometers. This ensures that control signals remain stable even in environments with significant electrical noise, enhancing the accuracy of the motor's performance.

Practical Deployment and Industrial Utilization

The ATV303HU22N4 is ideally suited for a broad spectrum of commercial and industrial machinery. In the material handling sector, it is frequently used to control small conveyor belts and sorting systems where smooth acceleration and deceleration are required to protect goods. It is also an excellent solution for the packaging industry, managing labeling machines and wrapping equipment with high repetition rates. Furthermore, its compact profile and integrated power supplies make it a favorite for pump and fan applications in HVAC systems or small-scale water treatment setups. Because it simplifies the peripheral circuitry required for basic operation, it is particularly effective for OEM machine builders looking to optimize assembly time and reduce component costs.