Schneider ATV320U30N4C Altivar 320 Variable Frequency Drive, 3.0kW 3-Phase 380-500V Compact Industrial VFD

Schneider ATV320U30N4C Altivar 320 3.0kW 3-Phase 380-500V VFD For Medium-Duty Industrial Motor Variable Speed Regulation

Schneider ATV320U30N4C compact book-type variable frequency drive is a high-performance 3.0kW heavy-duty model in the Altivar 320 lineup. Equipped with built-in Class C2 EMC filter, SIL 2 certified STO safety function and dual fieldbus communication, this VFD delivers stable torque output, precise speed control and outstanding environmental durability for industrial fans, process pumps and general medium-duty automation machinery.

Schneider ATV320U30N4C Altivar 320 3.0kW Three-Phase Compact VFD For Medium-Duty Factory Automation

1. Industrial Structural Design & Superior Environmental Adaptability of Schneider ATV320U30N4C

Space-Saving Book-Style Mounting Structure

Schneider ATV320U30N4C adopts a slim vertical book-shaped casing supporting standard wall-mounted and DIN rail installation, perfectly fitting compact control cabinet layouts and OEM machine integration. The streamlined body enables neat side-by-side device arrangement to maximize cabinet space utilization. Featuring IP20 enclosure protection, the unit effectively prevents dust and solid particle intrusion, ensuring stable and reliable internal circuit operation in standard industrial workshop environments.

Wide-Range Temperature & Mechanical Resistance Performance

Schneider ATV320U30N4C maintains full-power continuous operation from -10°C to +50°C without power derating, and supports conditional operation up to 60°C with appropriate power adjustment. It withstands 5% to 95% non-condensing humidity and complies with industrial 3C3 and 3S2 environmental classification standards. The reinforced mechanical structure resists routine workshop vibration and instantaneous mechanical shock, enabling long-term unattended continuous operation in complex factory conditions.

2. 3.0kW Heavy-Duty Electrical Performance & Precision Motor Control of Schneider ATV320U30N4C

Standard Heavy-Duty Electrical Parameters

Schneider ATV320U30N4C features 3.0kW heavy-duty rated motor power with 7.1A nominal output current and 7.3kVA apparent power at 500V, designed for three-phase asynchronous and synchronous industrial motors. Compatible with 380V to 500V global industrial power grids, the drive tolerates -15% to +10% grid voltage fluctuation and supports 50/60Hz standard power frequency operation. It delivers 11.1A maximum input current at 380V and 8.4A at 500V, with stable voltage and current output eliminating motor speed deviation under variable medium-load conditions and ensuring consistent mechanical operational efficiency.

High-Torque Regulation & Intelligent Energy-Saving Operation

Schneider ATV320U30N4C delivers excellent transient overtorque performance to handle instantaneous heavy startup loads and sudden load fluctuations. It supports ultra-wide 0.1Hz to 599Hz frequency adjustment, covering full-range working scenarios from low-speed constant-torque transmission to high-speed precision operation. The unit features 4kHz nominal switching frequency with adjustable 2kHz to 16kHz range, effectively suppressing motor electromagnetic noise and mechanical resonance. Optimized fan and pump energy-saving algorithms effectively reduce power consumption during continuous cyclic operation, lowering long-term operational costs.

3. Certified Safety System & Multi-Protocol Networking of Schneider ATV320U30N4C

Built-In SIL 2 Safety & Full-Range Electrical Protection

Schneider ATV320U30N4C integrates factory-certified Safe Torque Off (STO) safety function with SIL 2 compliance, meeting international machinery safety standards and eliminating external safety relay reliance to simplify system wiring. Comprehensive multi-layer protection covers input phase loss, motor short circuit, ground fault, overload, overvoltage, undervoltage and internal overheating. Real-time fault monitoring and automatic power cutoff mechanisms provide full-coverage hardware protection for both drive and connected motors, ensuring safe and stable long-term operation.

Dual Fieldbus Communication & Versatile High-Precision I/O Configuration

Schneider ATV320U30N4C comes with native Modbus RTU and CANopen dual fieldbus protocols for seamless integration with industrial PLC and HMI systems, supporting real-time data monitoring, remote parameter tuning and fault log retrieval. Optional expansion cards extend compatibility with PROFINET, EtherNet/IP, EtherCAT and Profibus networks. Equipped with 7 multi-function discrete inputs, 3 relay outputs and 10-bit high-precision analog terminals, it supports 0-10V voltage, ±10V differential voltage and 4-20mA current signal access, meeting complex interlock control and high-precision data acquisition requirements for medium-duty automated machinery.