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- Schneider
- ATV340D55N4E
- Variable Speed Drive
- France
- 271 x 908 x 309 mm
- 57.9 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider ATV340D55N4E Variable Speed Drive is a high-capacity industrial AC drive from the Schneider Electric Altivar Machine ATV340 series, engineered for precision motor control, heavy-duty industrial machinery, and advanced automation systems. Rated at 55 kW (Heavy Duty), the drive operates on a three-phase 380–480 VAC power supply and features an integrated Ethernet communication interface, enabling seamless connectivity with Industrial Ethernet networks and smart factory architectures.
Designed for demanding manufacturing environments, the ATV340D55N4E supports both three-phase asynchronous induction motors and permanent magnet synchronous motors. The drive incorporates advanced sensorless vector control, high overload capability, integrated Safe Torque Off (STO), embedded Ethernet communication, and intelligent diagnostic functions. These technologies provide outstanding torque performance, precise speed regulation, rapid dynamic response, and reliable long-term operation under continuous industrial workloads.
With dimensions of 271 × 908 × 309 mm and an approximate weight of 57.9 kg, the drive is intended for large cabinet installations where high power output, efficient thermal management, and maximum system reliability are essential.
Typical applications include large conveyor systems, mining equipment, heavy-duty pumps, industrial compressors, metal processing machinery, CNC manufacturing centers, material handling systems, automated production lines, food and beverage processing plants, water treatment facilities, and OEM industrial equipment.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Product Series | Altivar Machine ATV340 |
| Model | ATV340D55N4E |
| Product Type | Variable Speed Drive |
| Rated Motor Power | 55 kW (Heavy Duty) |
| Input Voltage | Three-Phase 380–480 VAC |
| Compatible Motors | AC Induction Motors and Permanent Magnet Synchronous Motors |
| Motor Control Method | Sensorless Vector Control |
| Integrated Communication | Ethernet, Modbus TCP, EtherNet/IP, Modbus Serial |
| Functional Safety | Safe Torque Off (STO) |
| Protection Rating | IP20 |
| Cooling Method | High-Efficiency Forced Air Cooling |
| Mounting Method | Panel / Cabinet Mount |
| Dimensions | 271 × 908 × 309 mm |
| Weight | 57.9 kg |
Function and Working Principle
The ATV340D55N4E converts fixed-frequency AC power into adjustable voltage and frequency output, allowing accurate regulation of motor speed and torque while optimizing process efficiency.
Operating sequence:
Three-Phase AC Input → Rectifier → DC Bus → PWM Inverter → AC Motor → Industrial Equipment
The drive continuously monitors operating conditions, motor load, temperature, and process demands. Its high-speed digital processor dynamically adjusts output frequency and voltage to maintain stable performance, maximize energy efficiency, and protect connected equipment.
Key functions include:
- High-performance variable speed control
- Advanced sensorless vector control
- High starting torque
- Stable low-speed operation
- Adjustable acceleration and deceleration
- PID process control
- Dynamic braking capability
- Automatic energy optimization
- Integrated Ethernet communication
- Intelligent fault diagnostics
- Safe Torque Off (STO)
- Comprehensive motor protection
Role in Industrial Automation Systems
The ATV340D55N4E functions as the central motor control device in high-power industrial automation systems.
Typical automation architecture:
PLC / Motion Controller
↓
Industrial Ethernet Network
↓
ATV340D55N4E Variable Speed Drive
↓
High-Power Three-Phase AC Motor
↓
Industrial Machinery
↓
Production Process
The integrated Ethernet interface enables high-speed data exchange with PLCs, HMIs, SCADA platforms, and industrial controllers, ensuring synchronized machine operation and real-time process monitoring.
Industrial Applications
Heavy Manufacturing
Suitable for:
- Metal processing equipment
- Steel production lines
- Rolling mills
- Industrial presses
- Large machining centers
Material Handling
Ideal for:
- Heavy-duty conveyor systems
- Automated warehouses
- Bulk material transport
- Hoisting equipment
- Logistics automation
Pumps and Water Treatment
Provides precise speed control for:
- Water supply pumps
- Wastewater treatment
- Irrigation systems
- Chemical dosing equipment
- Industrial pumping stations
Compressors and HVAC
Optimizes compressor performance while reducing energy consumption and extending equipment life.
Food and Beverage Processing
Supports mixers, conveyors, packaging lines, bottling systems, and large-scale processing equipment.
Mining and Minerals
Designed for crushers, conveyors, screening equipment, and mineral processing systems operating under demanding conditions.
Robotics and Smart Manufacturing
Suitable for automated production cells, synchronized machinery, and intelligent manufacturing systems requiring accurate motor control.
Installation and Commissioning
Before installation, engineers should verify:
- Input voltage compatibility
- Motor specifications
- Cabinet dimensions and ventilation
- Protective grounding
- Cable sizing
- Ethernet network configuration
- Protection devices
- Ambient operating conditions
Recommended Installation Procedure
- Disconnect all incoming power.
- Securely mount the drive inside the electrical cabinet.
- Connect the three-phase power supply.
- Connect the motor output terminals.
- Connect the protective earth conductor.
- Complete all control wiring.
- Connect the Ethernet communication cable.
- Configure communication parameters.
- Verify all electrical connections.
- Restore power.
- Enter motor nameplate information.
- Configure acceleration, deceleration, and protection settings.
- Perform motor testing.
- Verify communication with PLC, HMI, and Ethernet devices.
- Complete system commissioning.
Compatible System Components
| Component | Function |
|---|---|
| Schneider PLC | Automation controller |
| ATV340D55N4E | Variable Speed Drive |
| High-Power Three-Phase AC Motor | Mechanical power transmission |
| HMI Panel | Operator interface |
| Industrial Ethernet Switch | Network communication |
| Circuit Breaker | Electrical protection |
| Contactor | Power isolation |
| Braking Resistor | Dynamic braking |
| Encoder | Speed feedback |
| Safety Relay | Functional safety |
| Industrial Power Supply | Control power |
Recommended Alternative Models
| Model | Product Type | Rated Power | Typical Application |
|---|---|---|---|
| ATV340D37N4E | Variable Speed Drive | 37 kW | High-performance machinery |
| ATV340D55N4E | Variable Speed Drive | 55 kW | Heavy-duty industrial automation |
| ATV340D75N4E | Variable Speed Drive | 75 kW | Large manufacturing systems |
| ATV340D90N4E | Variable Speed Drive | 90 kW | Continuous industrial production |
| ATV340C11N4E | Variable Speed Drive | Higher power applications | High-capacity industrial systems |
Key Advantages
- Altivar Machine ATV340 high-performance platform
- 55 kW heavy-duty motor control
- Three-phase 380–480 VAC operation
- Integrated Ethernet communication
- Native Modbus TCP and EtherNet/IP support
- Advanced sensorless vector control
- High overload capability for demanding applications
- Excellent low-speed torque performance
- Integrated Safe Torque Off (STO)
- Intelligent diagnostics and predictive maintenance support
- Comprehensive motor protection
- Designed for continuous industrial operation
- Dimensions 271 × 908 × 309 mm
- Approximate weight 57.9 kg
Technical FAQs
What is the Schneider ATV340D55N4E?
The ATV340D55N4E is a 55 kW Variable Speed Drive from the Schneider Electric Altivar Machine ATV340 series with integrated Ethernet communication for high-power industrial automation.
What is the primary function of this drive?
It regulates motor speed, torque, and acceleration by converting fixed-frequency AC power into variable voltage and frequency output while enabling Industrial Ethernet communication.
What are the physical dimensions?
The drive measures 271 × 908 × 309 mm.
What is the approximate weight?
The unit weighs approximately 57.9 kg.
Which motors are supported?
It supports compatible three-phase AC induction motors and permanent magnet synchronous motors.
Which communication protocols are available?
The integrated communication interface supports EtherNet/IP, Modbus TCP, Modbus Serial, and Ethernet-based industrial communication for seamless integration into automation systems.
Which industries commonly use this drive?
The drive is widely used in mining, metal processing, material handling, water treatment, food processing, packaging, large conveyor systems, industrial compressors, and OEM heavy machinery.
Does the drive improve energy efficiency?
Yes. Advanced vector control continuously optimizes motor operation based on process demand, helping reduce energy consumption while maintaining high productivity.
What protection features are included?
The drive includes overload protection, thermal protection, overvoltage and undervoltage protection, phase-loss detection, short-circuit monitoring, Safe Torque Off (STO), and advanced fault diagnostics.
What should engineers verify before installation?
Engineers should verify power supply specifications, motor parameters, cabinet ventilation, Ethernet network configuration, grounding, wiring integrity, environmental conditions, and cooling capacity before commissioning.
Conclusion
The Schneider ATV340D55N4E Variable Speed Drive is a powerful 55 kW industrial AC drive engineered for demanding automation systems and high-capacity industrial machinery. Its integrated Ethernet connectivity, advanced vector control technology, high overload capability, and comprehensive protection features provide exceptional performance, reliability, and operational efficiency.
With dimensions of 271 × 908 × 309 mm and an approximate weight of 57.9 kg, the drive is ideally suited for large cabinet installations requiring dependable communication, precision motor regulation, and continuous industrial operation.
When integrated with compatible PLCs, HMIs, Industrial Ethernet networks, high-power AC motors, sensors, and automation equipment, the ATV340D55N4E delivers outstanding productivity, accurate speed control, reduced maintenance requirements, and long-term reliability across a wide range of industrial applications.