Schneider ATV320U11N4B Altivar 320 Variable Frequency Drive, 1.1kW 3-Phase 380-500V Book-Style Industrial Inverter

Schneider ATV320U11N4B Altivar 320 1.1kW 3-Phase 380-500V VFD For Mid Light-Duty Industrial Motor Variable Speed Control

Schneider ATV320U11N4B compact book-type variable frequency drive delivers 1.1kW heavy-duty power output, integrated Class C2 EMC filtering and multi-layer functional safety, providing stable speed regulation and energy-efficient operation for industrial fans, process pumps and standard automated machinery.

Schneider ATV320U11N4B Altivar 320 1.1kW Three-Phase Book-Style VFD For General Industrial Automation

1. Heavy-Duty Electrical Performance & Precision Motor Regulation of Schneider ATV320U11N4B

1.1kW Industrial-Grade Power Parameters

Schneider ATV320U11N4B features 1.1kW heavy-duty rated motor power and 3.8A nominal output current, matching standard three-phase asynchronous and synchronous motors. The drive supports 380V to 500V industrial voltage input with -15% to +10% grid fluctuation tolerance and delivers 5.7kVA apparent power at maximum voltage rating. Stable electrical output maintains consistent motor rotation without speed drift under variable operational loads.

Full-Range Adaptive Motor Control

Schneider ATV320U11N4B integrates sensorless flux vector control and multiple V/F curve modes for versatile motor regulation. The unit supports ultra-wide 0.1Hz to 599Hz frequency adjustment, covering low-speed constant-torque operation and high-speed precision running scenarios. Adjustable 2kHz to 16kHz switching frequency reduces electromagnetic noise and mechanical vibration, while automatic slip compensation optimizes speed accuracy under dynamic load changes.

2. Multi-Layer Functional Safety & EMC Immunity of Schneider ATV320U11N4B

Dual Certified Built-In Safety Functions

Schneider ATV320U11N4B comes with native Safe Torque Off (STO) and Safe Stop 1 (SS1) safety features compliant with global machinery safety standards. Embedded safety modules eliminate external safety relay hardware, simplifying cabinet wiring and reducing system failure risks. Reliable torque cutoff and controlled stop mechanisms ensure secure equipment maintenance and emergency fault response in automated production systems.

Class C2 EMC Filter & Standard Industrial Immunity

Schneider ATV320U11N4B equips factory-built Class C2 EMC filter to suppress high-frequency switching noise and electromagnetic radiation. The unit meets strict IEC 61000 industrial immunity standards, resisting electrostatic discharge, fast transient pulses and surge interference in complex workshop environments. Superior electromagnetic compatibility protects nearby sensors and low-voltage control circuits from operational disruption.

3. Expandable Communication & Multi-Function I/O Layout of Schneider ATV320U11N4B

Dual Native Fieldbus & Expandable Networking

Schneider ATV320U11N4B supports built-in Modbus RTU and CANopen protocols for seamless integration with PLC and HMI systems. Real-time data exchange enables remote parameter tuning, operational status monitoring and fault log retrieval. Optional expansion cards extend compatibility with PROFINET, EtherNet/IP and Profibus networks, adapting to diverse factory automation architectures and centralized management systems.

High-Resolution Configurable I/O Terminals

Schneider ATV320U11N4B integrates 7 discrete inputs, 3 relay outputs and 3 high-precision 10-bit analog terminals. Analog ports support 0-10V voltage, ±10V differential voltage and 4-20mA current signal modes for universal sensor connection. One programmable analog output and configurable pulse input support customized closed-loop control and real-time operational data feedback for standard industrial machinery.