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- ATV340U55N4E
- Variable Speed Drive
- France
- 110 x 270 x 234 mm
- 2.9 kg
- Xiamen, China
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Product Overview
The Schneider ATV340U55N4E Variable Speed Drive is a premium AC Variable Frequency Drive (VFD) from the Altivar Machine ATV340 series, engineered for demanding industrial automation environments where precision motor control, intelligent networking, and long-term operational reliability are essential. Designed for OEM machine builders, industrial system integrators, and manufacturing facilities, the ATV340U55N4E combines advanced vector control technology with embedded Industrial Ethernet communication, providing outstanding motion control performance while supporting modern Industry 4.0 manufacturing architectures.
Rated for 5.5 kW heavy-duty motor applications, the drive is suitable for controlling both three-phase asynchronous induction motors and permanent magnet synchronous motors. Its high-speed digital processing platform enables excellent low-speed torque, rapid acceleration and deceleration, precise speed regulation, and stable operation under continuously changing load conditions. These capabilities make the drive an ideal solution for high-performance industrial machinery requiring accurate motion control and consistent productivity.
The integrated Ethernet communication interface allows seamless connectivity with Schneider PLCs, Human Machine Interfaces (HMIs), SCADA platforms, industrial PCs, and Industrial Ethernet networks. Engineers can perform remote parameter configuration, online diagnostics, predictive maintenance, fault monitoring, and centralized asset management, reducing maintenance costs while improving production efficiency.
The ATV340U55N4E incorporates a complete range of protection features, including overload protection, motor thermal protection, overvoltage protection, undervoltage protection, overheating detection, phase-loss monitoring, motor stall protection, short-circuit protection, and integrated Safe Torque Off (STO) functionality. These protection mechanisms help maximize equipment uptime while enhancing operational safety.
With dimensions of 110 × 270 × 234 mm and an approximate weight of 2.9 kg, the drive offers an excellent balance of compact size and high power density, making it suitable for installation inside modern industrial control cabinets.
The Schneider ATV340U55N4E is widely used in packaging systems, robotic automation, CNC machine tools, conveyor systems, food and beverage production, pharmaceutical manufacturing, woodworking machinery, textile equipment, plastics processing, printing machinery, automotive production lines, material handling systems, and intelligent manufacturing facilities.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV340U55N4E |
| Product Series | Altivar Machine ATV340 |
| Product Type | Variable Speed Drive |
| Drive Technology | AC Variable Frequency Drive (VFD) |
| Rated Motor Power | 5.5 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, Phase Loss, Short Circuit |
| Dimensions | 110 × 270 × 234 mm |
| Weight | 2.9 kg |
Function and Working Principle
The Schneider ATV340U55N4E converts fixed-frequency three-phase AC power into variable-frequency and variable-voltage output through an advanced IGBT inverter, enabling precise regulation of motor speed and torque.
Typical operating sequence:
Three-Phase AC Power
↓
AC Input Rectifier
↓
DC Bus
↓
IGBT Power Inverter
↓
Schneider ATV340U55N4E Variable Speed Drive
↓
Three-Phase AC Motor
↓
Industrial Equipment
During operation, the drive performs the following functions:
- Converts fixed AC power into adjustable-frequency output
- Precisely regulates motor speed and torque
- Delivers smooth acceleration and deceleration
- Maintains stable operation during load fluctuations
- Optimizes motor energy efficiency
- Supports Industrial Ethernet communication
- Continuously monitors motor and drive operating status
- Protects equipment from electrical and thermal faults
Its advanced vector control algorithm provides excellent dynamic response, ensuring consistent machine performance even during demanding production processes.
Role in Industrial Control Systems
The ATV340U55N4E serves as the intelligent motor control unit within modern industrial automation systems.
Typical automation architecture:
Industrial Sensors
↓
Schneider Modicon PLC
↓
Industrial Ethernet Network
↓
Schneider ATV340U55N4E Variable Speed Drive
↓
Three-Phase AC Motor
↓
Industrial Machine
The embedded Ethernet interface enables centralized diagnostics, parameter management, remote monitoring, predictive maintenance, and efficient machine integration throughout the production environment.
Industrial Applications
Manufacturing Automation
Typical applications include:
- Automated production lines
- Robotic assembly systems
- CNC machining centers
- Flexible manufacturing systems
- Precision assembly equipment
Packaging Industry
Suitable for:
- Filling machines
- Labeling equipment
- Wrapping systems
- Cartoning machinery
- Conveyor systems
Accurate speed synchronization improves production quality and operational efficiency.
Material Handling
Common applications include:
- Conveyor systems
- Automated warehouse equipment
- Sorting machinery
- Lifting systems
- Distribution equipment
Smooth motor control minimizes mechanical stress while extending equipment service life.
Food and Beverage Processing
Typical equipment includes:
- Mixing systems
- Bottling lines
- Filling machines
- Packaging equipment
- Conveyor applications
Variable speed control improves product consistency while reducing energy consumption.
Pharmaceutical Manufacturing
Applications include:
- Tablet production
- Packaging systems
- Cleanroom automation
- Material transfer equipment
- Mixing machinery
Stable motor control supports highly repeatable manufacturing processes.
Textile Industry
Frequently used for:
- Spinning machines
- Weaving equipment
- Dyeing systems
- Winding machinery
- Finishing equipment
High-precision speed regulation improves fabric quality and production efficiency.
Machine Tools
Suitable for:
- Milling machines
- Grinding equipment
- Drilling systems
- Cutting machinery
- Precision machining centers
Fast response and stable torque improve machining accuracy.
Water and Wastewater Treatment
Applications include:
- Pump systems
- Blower control
- Aeration equipment
- Filtration systems
- Water distribution pumps
Variable speed operation significantly reduces operating costs and energy consumption.
Installation and System Integration
Before installation, engineers should verify:
- Motor specifications
- Input voltage compatibility
- Output current requirements
- Industrial Ethernet network configuration
- Cabinet ventilation
- Protective grounding
- Ambient operating conditions
- Protective devices
Recommended Installation Procedure
- Disconnect the incoming power supply.
- Securely mount the drive in the control cabinet.
- Connect input power terminals.
- Connect motor output terminals.
- Install protective grounding.
- Connect Industrial Ethernet communication.
- Configure motor parameters.
- Set acceleration and deceleration profiles.
- Configure network communication settings.
- Perform motor auto-tuning.
- Verify protection functions.
- Complete commissioning and operational testing.
Compatible System Components
| Component | Function |
|---|---|
| Schneider Modicon PLC | Central machine control |
| ATV340U55N4E | Variable speed motor control |
| Human Machine Interface (HMI) | Operator interface |
| Industrial Ethernet Switch | Network communication |
| SCADA System | Supervisory monitoring |
| Three-Phase AC Motor | Mechanical drive |
| Encoder Feedback Device | Speed monitoring |
| Industrial Sensors | Process feedback |
| Circuit Breakers | Electrical protection |
| Motor Protection Devices | Equipment safety |
Recommended Alternative Models
| Model | Product Type | Recommended Application |
|---|---|---|
| ATV340U40N4E | Variable Speed Drive | Medium-power Ethernet automation |
| ATV340U75N4E | Variable Speed Drive | Higher-power industrial equipment |
| ATV340D11N4E | Variable Speed Drive | Heavy-duty manufacturing systems |
| ATV340D15N4E | Variable Speed Drive | Large automation machinery |
| ATV340U55N4E | Variable Speed Drive | Intelligent Ethernet-based motor control |
Key Advantages
- Altivar Machine ATV340 high-performance drive platform
- Rated for 5.5 kW heavy-duty applications
- Embedded Industrial Ethernet communication
- Advanced sensorless vector motor control
- High starting torque and precise speed regulation
- Supports asynchronous and permanent magnet synchronous motors
- Integrated Safe Torque Off (STO)
- Comprehensive electrical and motor protection
- Compact panel-mounted construction
- Excellent energy efficiency
- Designed for Industry 4.0 automation systems
- Dimensions of 110 × 270 × 234 mm
- Approximate weight of 2.9 kg
Technical FAQs
What is the Schneider ATV340U55N4E?
The Schneider ATV340U55N4E is an Ethernet-enabled Variable Speed Drive (VFD) from the Altivar Machine ATV340 series designed for high-performance industrial motor control.
What is its primary function?
Its primary function is to provide accurate speed and torque control for AC motors while enabling intelligent Ethernet communication within industrial automation systems.
What are the physical dimensions?
The drive measures 110 × 270 × 234 mm.
What is the approximate weight?
The drive weighs approximately 2.9 kg.
Which motors are compatible?
It supports compatible three-phase asynchronous induction motors and permanent magnet synchronous motors.
Which industries commonly use this drive?
The drive is widely used in manufacturing, robotics, packaging, food processing, pharmaceuticals, logistics, automotive production, woodworking, textile machinery, plastics processing, machine tools, and water treatment facilities.
Does the drive include built-in protection?
Yes. It provides overload protection, overvoltage protection, undervoltage protection, overtemperature monitoring, motor thermal protection, phase-loss detection, short-circuit protection, and integrated Safe Torque Off (STO).
Is the drive suitable for continuous industrial operation?
Yes. The ATV340U55N4E is designed for continuous-duty industrial applications requiring high reliability and stable performance.
What should engineers verify before installation?
Engineers should verify motor ratings, supply voltage, network configuration, cabinet ventilation, grounding, communication settings, and protective devices.
What should be tested before commissioning?
Commissioning should include verification of wiring integrity, Ethernet communication, parameter configuration, motor rotation, protection functions, auto-tuning results, and complete operational performance.
Conclusion
The Schneider ATV340U55N4E Variable Speed Drive combines high-performance vector motor control, embedded Industrial Ethernet connectivity, intelligent diagnostics, and comprehensive protection functions in a compact industrial package. Designed for demanding automation environments, it delivers exceptional speed accuracy, reliable torque output, and excellent operational efficiency.
With compact dimensions of 110 × 270 × 234 mm and an approximate weight of 2.9 kg, the drive integrates easily into industrial control cabinets while providing dependable long-term performance. When combined with Schneider Modicon PLCs, HMIs, Industrial Ethernet infrastructure, SCADA systems, and compatible AC motors, the ATV340U55N4E offers a scalable, energy-efficient, and future-ready motor control solution for modern industrial automation.