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- Schneider
- ATV340U30N4
- Variable Speed Drive
- France
- 85 x 270 x 232.5 mm
- 2.1 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider ATV340U30N4 Variable Speed Drive is a high-performance AC Variable Frequency Drive (VFD) from the Altivar Machine ATV340 series, designed for demanding industrial automation applications that require exceptional motor control, rapid dynamic response, and reliable continuous-duty operation. Engineered for OEM machine builders, automation integrators, and industrial manufacturers, the ATV340U30N4 delivers precise speed regulation, accurate torque control, and optimized energy efficiency for modern production systems.
Designed to operate three-phase asynchronous motors and permanent magnet synchronous motors, the ATV340U30N4 incorporates Schneider Electric’s advanced vector control technology to provide stable low-speed operation, high starting torque, rapid acceleration and deceleration, and outstanding load adaptability. These capabilities make the drive suitable for precision machinery where speed consistency and process accuracy are critical.
The drive integrates easily with PLCs, HMIs, industrial communication networks, motion control systems, and SCADA platforms, enabling centralized control, remote diagnostics, predictive maintenance, and simplified commissioning. Multiple built-in protection functions—including overload protection, motor thermal protection, overvoltage protection, undervoltage protection, phase-loss detection, overheating protection, and short-circuit protection—ensure maximum equipment reliability and minimize production downtime.
With compact dimensions of 85 × 270 × 232.5 mm and an approximate weight of 2.1 kg, the ATV340U30N4 provides an excellent balance between performance and installation flexibility, making it suitable for space-limited industrial control cabinets.
The drive is widely applied in packaging machinery, CNC machine tools, robotic automation, conveyor systems, textile equipment, printing machinery, woodworking machines, pharmaceutical production, food and beverage processing, plastics machinery, automotive manufacturing, and material handling systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV340U30N4 |
| Product Series | Altivar Machine ATV340 |
| Product Type | Variable Speed Drive |
| Drive Technology | AC Variable Frequency Drive (VFD) |
| Rated Motor Power | 3.0 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 Vector Control |
| Installation Method | Panel Mounted |
| Cooling Method | Forced Air Cooling |
| Communication | Industrial Communication Interface Support |
| Protection Functions | Comprehensive Motor and Drive Protection |
| Dimensions | 85 × 270 × 232.5 mm |
| Weight | 2.1 kg |
Function and Working Principle
The Schneider ATV340U30N4 converts fixed-frequency AC power into variable-frequency and variable-voltage output using an advanced IGBT inverter, allowing precise control of motor speed and torque.
Typical operating sequence:
Three-Phase AC Power
↓
AC/DC Rectifier
↓
DC Bus
↓
IGBT Inverter
↓
Schneider ATV340U30N4 Variable Speed Drive
↓
Three-Phase AC Motor
↓
Industrial Equipment
During operation, the drive performs the following functions:
- Converts fixed AC input into adjustable-frequency output
- Controls motor speed with high precision
- Maintains stable torque under varying load conditions
- Provides smooth acceleration and deceleration
- Optimizes energy consumption
- Continuously monitors motor operating status
- Protects the motor and drive from abnormal conditions
- Enhances machine productivity and operational reliability
Advanced vector control enables fast response and excellent performance even during demanding industrial processes.
Role in Industrial Control Systems
Within industrial automation systems, the ATV340U30N4 serves as the intelligent motor control interface connecting PLC controllers with industrial motors.
Typical automation architecture:
Industrial Sensors
↓
PLC Controller
↓
Human Machine Interface (HMI)
↓
Schneider ATV340U30N4 Variable Speed Drive
↓
Three-Phase AC Motor
↓
Industrial Machine
The drive continuously adjusts motor output based on process requirements, ensuring precise machine control and stable production.
Industrial Applications
Manufacturing Automation
Typical applications include:
- Automated production lines
- CNC machining centers
- Assembly systems
- Flexible manufacturing equipment
- Robotic workstations
Packaging Machinery
Suitable for:
- Filling machines
- Wrapping equipment
- Labeling systems
- Cartoning machines
- Conveyor systems
Accurate speed control improves packaging quality and throughput.
Material Handling
Common applications include:
- Conveyor systems
- Warehouse automation
- Automated storage systems
- Sorting equipment
- Hoisting machinery
Smooth acceleration reduces mechanical wear and improves equipment reliability.
Food and Beverage Processing
Typical equipment includes:
- Mixing systems
- Bottling lines
- Filling machines
- Packaging equipment
- Conveyor systems
Variable speed control reduces operating costs while maintaining production consistency.
Textile Industry
Frequently used for:
- Spinning machinery
- Weaving equipment
- Dyeing systems
- Winding machines
- Finishing equipment
Consistent motor speed improves product quality.
Machine Tools
Suitable for:
- Milling machines
- Grinding systems
- Drilling equipment
- Cutting machines
- Precision machining centers
Fast dynamic response supports high-precision machining.
Water and Wastewater Treatment
Applications include:
- Pump control
- Blower systems
- Aeration equipment
- Filtration systems
- Water distribution pumps
Variable speed operation significantly improves energy efficiency.
Installation and System Integration
Before installation, engineers should verify:
- Motor compatibility
- Supply voltage specifications
- Output current requirements
- Cabinet ventilation
- Grounding quality
- Communication configuration
- Environmental operating conditions
- Protection device selection
Recommended Installation Procedure
- Disconnect the incoming power supply.
- Mount the drive securely inside the control cabinet.
- Connect the input power terminals.
- Connect the motor output wiring.
- Install protective grounding.
- Configure communication interfaces if required.
- Enter motor parameters.
- Configure acceleration and deceleration profiles.
- Perform motor auto-tuning.
- Verify protection settings.
- Test drive operation.
- Complete system commissioning.
Compatible System Components
| Component | Function |
|---|---|
| Schneider PLC | Machine automation control |
| ATV340U30N4 | Variable speed motor control |
| Human Machine Interface (HMI) | Operator interface |
| Industrial Communication Modules | Network communication |
| Circuit Breakers | Electrical protection |
| Three-Phase AC Motors | Driven equipment |
| Encoder Feedback Devices | Speed monitoring |
| Industrial Sensors | Process feedback |
| Motor Protection Devices | Equipment protection |
| SCADA System | Supervisory monitoring |
Recommended Alternative Models
| Model | Product Type | Recommended Application |
|---|---|---|
| ATV340U22N4 | Variable Speed Drive | Medium-power industrial machinery |
| ATV340U40N4 | Variable Speed Drive | Higher-power motor applications |
| ATV340D11N4 | Variable Speed Drive | Heavy-duty automation systems |
| ATV340D15N4 | Variable Speed Drive | Large industrial machinery |
| ATV340U30N4 | Variable Speed Drive | High-performance precision motor control |
Key Advantages
- Part of the Schneider Altivar Machine ATV340 series
- High-performance vector motor control
- Excellent speed and torque accuracy
- Supports asynchronous and permanent magnet synchronous motors
- Rapid dynamic response
- Comprehensive motor and drive protection
- Energy-efficient operation
- Compact panel-mounted construction
- Easy integration into industrial automation systems
- Reliable performance for continuous-duty applications
- Dimensions of 85 × 270 × 232.5 mm
- Approximate weight of 2.1 kg
Technical FAQs
What is the Schneider ATV340U30N4?
The Schneider ATV340U30N4 is a Variable Speed Drive (VFD) from the Altivar Machine ATV340 series designed for advanced industrial motor control.
What is its primary function?
Its primary function is to regulate the speed and torque of AC motors while improving production efficiency, machine accuracy, and energy savings.
What are the physical dimensions?
The drive measures 85 × 270 × 232.5 mm.
What is the approximate weight?
The drive weighs approximately 2.1 kg.
Which motors are compatible?
The drive supports compatible three-phase asynchronous motors and permanent magnet synchronous motors.
Which industries commonly use this drive?
The drive is widely used in manufacturing, packaging, food processing, pharmaceuticals, automotive production, logistics, textile machinery, machine tools, plastics processing, and water treatment industries.
Does the drive include integrated protection?
Yes. The drive provides overload, overvoltage, undervoltage, overheating, motor thermal protection, and short-circuit protection for reliable industrial operation.
Is the drive suitable for continuous-duty operation?
Yes. The ATV340U30N4 is designed for continuous operation in demanding industrial environments.
What should engineers verify before installation?
Engineers should verify motor specifications, input voltage, output current, grounding, ventilation, communication settings, and protective devices.
What should be tested before commissioning?
Before commissioning, engineers should verify wiring integrity, motor rotation direction, parameter configuration, protection settings, communication functions, auto-tuning results, and complete operational performance.
Conclusion
The Schneider ATV340U30N4 Variable Speed Drive is a compact, high-performance motor control solution within the Altivar Machine ATV340 family. Combining advanced vector control technology, excellent speed regulation, reliable protection features, and high dynamic performance, it provides an ideal solution for demanding industrial automation applications requiring precision, efficiency, and long-term operational reliability.
With compact dimensions of 85 × 270 × 232.5 mm and an approximate weight of 2.1 kg, the drive installs easily inside industrial control cabinets while delivering outstanding motor performance. When integrated with Schneider PLCs, HMIs, industrial communication networks, compatible AC motors, and SCADA systems, the ATV340U30N4 provides efficient, flexible, and dependable motor control for a wide range of modern industrial automation applications.