Schneider ATV320D11N4B Altivar 320 Variable Frequency Drive, 11kW 3-Phase 380-500V Heavy-Duty Motor Inverter

Schneider ATV320D11N4B Altivar 320 11kW 3-Phase 380-500V VFD For Complex Industrial Machinery Variable Speed Control

Schneider ATV320D11N4B high-performance heavy-duty variable frequency drive integrates Class C3 EMC filtering, multi-safety functions and dual fieldbus protocols, delivering precise 11kW power regulation and reliable motor control for industrial processing equipment, pump groups and automated production machinery.

Schneider ATV320D11N4B Altivar 320 11kW Three-Phase VFD For Complex Industrial Motor Applications

1. Advanced Safety Functions & Certified Protection Performance of Schneider ATV320D11N4B

Integrated Industrial Safety Features

Schneider ATV320D11N4B is equipped with built-in safety mechanisms including Safe Torque Off (STO), Safe Stop 1 (SS1) and Safely Limited Speed (SLS) to meet industrial machine safety standards. These native safety functions eliminate external safety relay reliance, simplifying machine safety circuit design. The drive maintains compliant safety operation during frequent equipment start-stop and speed adjustment cycles.

Full-Coverage Electrical & Mechanical Protection

Schneider ATV320D11N4B supports comprehensive fault detection covering input phase loss, motor short circuit, output phase grounding and internal overheating. Real-time thermal monitoring and overload protection prevent hardware damage under variable load conditions. The unit withstands 150% overload current for 60 seconds and supports transient torque output up to 200% for heavy startup load adaptation.

2. Multi-Protocol Networking & Flexible I/O Configuration of Schneider ATV320D11N4B

Dual Native Fieldbus Communication Support

Schneider ATV320D11N4B integrates standard Modbus RTU and CANopen protocols for seamless industrial networking. The dual-protocol design enables stable data interaction with PLC systems, HMI panels and upper monitoring devices. Optional expansion cards support Profibus, PROFINET and EtherNet/IP, adapting to diverse factory automation network topologies.

High-Precision Multi-Function I/O Terminals

Schneider ATV320D11N4B features 7 discrete inputs, 3 relay outputs and 3 high-precision analog inputs with 10-bit resolution. Configurable voltage and current signal ranges support multiple sensor connection modes. One programmable analog output enables real-time operating signal feedback, meeting complex logic control and data monitoring requirements for automated machinery.

3. Professional Motor Regulation & Harsh Environment Adaptability of Schneider ATV320D11N4B

Diversified High-Precision Motor Control Modes

Schneider ATV320D11N4B supports sensorless flux vector control, energy-saving U/f control and multi-point curve regulation for asynchronous and synchronous motors. The adjustable 2kHz to 16kHz switching frequency reduces motor noise and vibration, while automatic slip compensation optimizes speed stability under variable loads. The 0.5Hz to 599Hz wide frequency range adapts to low-speed constant-torque and high-speed precision operation scenarios.

Industrial-Grade Environmental & EMC Adaptability

Schneider ATV320D11N4B adopts built-in Class C3 EMC filter to suppress high-frequency electromagnetic interference, protecting surrounding precision control components. The unit operates stably from -10°C to +50°C without derating and tolerates extended operation up to 60°C with power adjustment. IP20 enclosure and reinforced mechanical structure resist industrial vibration, dust and humidity for long-term continuous workshop operation.