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- Schneider
- ATV340U40N4E
- Variable Speed Drive
- France
- 85 x 270 x 232.5 mm
- 2.3 kg
- Xiamen, China
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Product Overview
The Schneider ATV340U40N4E Variable Speed Drive is an advanced AC Variable Frequency Drive (VFD) from the Altivar Machine ATV340 series, engineered for high-performance industrial automation systems that require precise motor control, intelligent networking, and exceptional operational reliability. Designed for OEM machine builders, automation system integrators, and industrial manufacturers, the ATV340U40N4E combines advanced vector motor control with embedded Industrial Ethernet communication, making it an ideal solution for modern smart factories and Industry 4.0 applications.
Rated for 4.0 kW heavy-duty motor control, the drive is optimized for controlling both three-phase asynchronous induction motors and permanent magnet synchronous motors. Its high-speed digital control platform provides outstanding torque accuracy, rapid acceleration and deceleration, stable low-speed operation, and smooth performance across the complete operating range. These characteristics make it particularly suitable for applications requiring precision, repeatability, and dynamic machine response.
The integrated Ethernet communication interface enables seamless connectivity with Schneider PLCs, Human Machine Interfaces (HMIs), SCADA systems, industrial PCs, remote monitoring platforms, and Industrial Ethernet networks. Engineers can remotely configure parameters, perform diagnostics, monitor operating status, collect maintenance data, and integrate the drive into centralized automation architectures without requiring additional communication hardware.
Comprehensive protection features—including overload protection, motor thermal protection, overvoltage protection, undervoltage protection, phase-loss detection, overtemperature monitoring, short-circuit protection, motor stall prevention, and Safe Torque Off (STO)—ensure safe operation while maximizing equipment availability and reducing maintenance costs.
With compact dimensions of 85 × 270 × 232.5 mm and an approximate weight of 2.3 kg, the ATV340U40N4E fits easily into industrial control cabinets while providing excellent thermal performance and simplified installation.
The drive is widely deployed in packaging machinery, CNC machining centers, robotics, automated production lines, conveyor systems, printing equipment, woodworking machinery, food and beverage processing, pharmaceutical manufacturing, textile production, plastics processing, automotive assembly, logistics systems, and many other industrial automation applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV340U40N4E |
| Product Series | Altivar Machine ATV340 |
| Product Type | Variable Speed Drive |
| Drive Technology | AC Variable Frequency Drive (VFD) |
| Rated Motor Power | 4.0 kW (Heavy Duty) |
| Rated Supply Voltage | 380–480 V AC, Three-Phase |
| Motor Compatibility | Three-Phase Asynchronous Motors and Permanent Magnet Synchronous Motors |
| Control Method | Advanced Sensorless Vector Control |
| Communication | Embedded Industrial Ethernet |
| Mounting Method | Panel Mounted |
| Cooling Method | Forced Air Cooling |
| Safety Function | Safe Torque Off (STO) |
| Protection Functions | Overload, Overvoltage, Undervoltage, Overtemperature, Motor Thermal Protection, Phase Loss, Short Circuit |
| Dimensions | 85 × 270 × 232.5 mm |
| Weight | 2.3 kg |
Function and Working Principle
The Schneider ATV340U40N4E regulates motor speed by converting fixed-frequency three-phase AC power into variable-frequency and variable-voltage output through a high-efficiency IGBT inverter.
Typical operating sequence:
Three-Phase AC Power
↓
Input Rectifier
↓
DC Link
↓
IGBT Inverter
↓
Schneider ATV340U40N4E Variable Speed Drive
↓
Three-Phase AC Motor
↓
Industrial Equipment
During operation, the drive continuously performs the following tasks:
- Converts fixed-frequency AC power into variable-frequency output
- Delivers precise speed and torque regulation
- Maintains stable operation under changing mechanical loads
- Optimizes motor efficiency and power consumption
- Controls smooth acceleration and deceleration
- Continuously monitors motor and drive operating conditions
- Supports real-time Ethernet communication and diagnostics
- Protects equipment against abnormal electrical and thermal conditions
The advanced vector control platform ensures outstanding dynamic performance while reducing mechanical wear and improving overall machine productivity.
Role in Industrial Control Systems
Within industrial automation systems, the ATV340U40N4E functions as the intelligent motor control layer connecting automation controllers with field motors.
Typical automation architecture:
Industrial Sensors
↓
Schneider PLC
↓
Industrial Ethernet Network
↓
Schneider ATV340U40N4E Variable Speed Drive
↓
Three-Phase AC Motor
↓
Industrial Machine
Its embedded Ethernet interface enables high-speed communication, centralized diagnostics, parameter management, predictive maintenance, and seamless integration into intelligent manufacturing systems.
Industrial Applications
Manufacturing Automation
Typical applications include:
- Automated production lines
- Robotic assembly systems
- CNC machining centers
- Flexible manufacturing systems
- Precision assembly equipment
Packaging Industry
Ideal for:
- Filling machines
- Wrapping equipment
- Labeling systems
- Cartoning machinery
- Conveyor systems
Precise speed synchronization improves production quality and packaging consistency.
Material Handling
Typical equipment includes:
- Conveyor belts
- Warehouse automation systems
- Automated storage systems
- Sorting equipment
- Hoisting machinery
Smooth motor control reduces mechanical shock while extending equipment life.
Food and Beverage Processing
Suitable for:
- Mixing systems
- Bottling lines
- Filling equipment
- Packaging machinery
- Conveyor applications
Variable speed operation reduces energy consumption while maintaining stable product quality.
Pharmaceutical Manufacturing
Applications include:
- Tablet production
- Packaging lines
- Mixing equipment
- Material transfer systems
- Cleanroom automation
Accurate motor control supports repeatable production processes.
Textile Industry
Widely used in:
- Spinning machinery
- Weaving equipment
- Dyeing systems
- Winding machines
- Finishing equipment
Stable speed regulation improves textile quality and production efficiency.
Machine Tools
Applicable to:
- Milling machines
- Grinding equipment
- Drilling systems
- Cutting machinery
- Precision machining centers
Fast dynamic response supports demanding machining applications.
Water and Wastewater Treatment
Typical applications include:
- Pump control
- Blower systems
- Filtration equipment
- Aeration systems
- Water distribution pumps
Variable speed operation significantly reduces energy consumption and improves process efficiency.
Installation and System Integration
Before installation, engineers should verify:
- Motor specifications
- Supply voltage compatibility
- Output current requirements
- Industrial Ethernet network configuration
- Cabinet ventilation
- Grounding integrity
- Environmental operating conditions
- Protective device selection
Recommended Installation Procedure
- Disconnect the incoming power supply.
- Securely mount the drive inside the electrical cabinet.
- Connect the input power terminals.
- Connect the motor output terminals.
- Install protective grounding.
- Connect the Industrial Ethernet network.
- Configure motor nameplate parameters.
- Set acceleration and deceleration times.
- Configure communication parameters.
- Perform motor auto-tuning.
- Verify protection settings.
- Test drive operation and complete commissioning.
Compatible System Components
| Component | Function |
|---|---|
| Schneider Modicon PLC | Central machine control |
| ATV340U40N4E | Variable speed motor control |
| Human Machine Interface (HMI) | Operator interface |
| Industrial Ethernet Switch | Network communication |
| SCADA System | Supervisory monitoring |
| Three-Phase AC Motor | Mechanical power output |
| Encoder Feedback Device | Speed feedback |
| Industrial Sensors | Process monitoring |
| Circuit Breakers | Electrical protection |
| Motor Protection Devices | Equipment safety |
Recommended Alternative Models
| Model | Product Type | Recommended Application |
|---|---|---|
| ATV340U30N4E | Variable Speed Drive | Medium-power Ethernet automation |
| ATV340U55N4E | Variable Speed Drive | Higher-power industrial machinery |
| ATV340D11N4E | Variable Speed Drive | Heavy-duty manufacturing systems |
| ATV340D15N4E | Variable Speed Drive | Large automation equipment |
| ATV340U40N4E | Variable Speed Drive | Intelligent Ethernet-enabled industrial motor control |
Key Advantages
- Altivar Machine ATV340 high-performance drive platform
- Rated for 4.0 kW heavy-duty applications
- Embedded Industrial Ethernet communication
- Advanced sensorless vector motor control
- Excellent speed regulation and torque accuracy
- Supports asynchronous and permanent magnet motors
- Integrated Safe Torque Off (STO)
- Comprehensive electrical and motor protection
- Compact panel-mounted design
- Optimized for Industry 4.0 automation systems
- Easy integration with PLC, HMI, SCADA, and Industrial Ethernet
- Dimensions of 85 × 270 × 232.5 mm
- Approximate weight of 2.3 kg
Technical FAQs
What is the Schneider ATV340U40N4E?
The Schneider ATV340U40N4E is an Ethernet-enabled Variable Speed Drive (VFD) from the Altivar Machine ATV340 series designed for advanced industrial motor control.
What is its primary function?
It precisely controls the speed and torque of AC motors while providing Industrial Ethernet connectivity for intelligent automation systems.
What are the physical dimensions?
The drive measures 85 × 270 × 232.5 mm.
What is the approximate weight?
The drive weighs approximately 2.3 kg.
Which motors are supported?
The drive supports compatible three-phase asynchronous induction motors and permanent magnet synchronous motors.
Which communication features are available?
The embedded Industrial Ethernet interface enables integration with PLCs, HMIs, SCADA systems, and industrial automation networks for remote monitoring, diagnostics, and parameter management.
Which industries commonly use this drive?
It is widely applied in manufacturing, robotics, packaging, food processing, pharmaceuticals, logistics, automotive production, woodworking, textile machinery, machine tools, and water treatment facilities.
Does the drive provide built-in protection?
Yes. It integrates overload, overvoltage, undervoltage, overtemperature, motor thermal, phase-loss, short-circuit protection, and Safe Torque Off (STO).
What should engineers verify before installation?
They should verify motor ratings, supply voltage, cabinet ventilation, grounding, Ethernet configuration, communication parameters, and protective devices.
What should be tested before commissioning?
Commissioning should include verification of wiring integrity, communication status, motor rotation direction, protection settings, parameter configuration, Ethernet connectivity, auto-tuning, and complete operational performance.
Conclusion
The Schneider ATV340U40N4E Variable Speed Drive combines high-performance vector motor control, embedded Industrial Ethernet communication, comprehensive protection functions, and intelligent diagnostics in a compact industrial package. Designed for demanding automation environments, it delivers excellent speed accuracy, reliable torque performance, and superior operational efficiency.
With compact dimensions of 85 × 270 × 232.5 mm and an approximate weight of 2.3 kg, the drive installs easily within industrial control cabinets while providing long-term dependable operation. Integrated with Schneider PLCs, HMIs, Industrial Ethernet infrastructure, SCADA platforms, and compatible AC motors, the ATV340U40N4E offers a scalable, energy-efficient, and future-ready motor control solution for modern industrial automation systems.