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- ATV630U40N4
- Variable Speed Drive
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- 350 × 144 × 203 mm
- 4.6 kg
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Product Overview
The Schneider Electric ATV630U40N4 is a compact and intelligent Altivar Process Variable Speed Drive (VSD) designed to deliver reliable motor control, advanced energy efficiency, and seamless integration into modern industrial automation systems. As a member of Schneider Electric’s Altivar Process ATV600 Series, the ATV630U40N4 is specifically engineered for variable torque applications including pumps, centrifugal fans, HVAC systems, compressors, water treatment facilities, and general process equipment. Combining high-performance motor control with intelligent diagnostics and industrial communication, this drive helps reduce energy consumption while improving operational reliability.
Designed for 4 kW (5 HP) three-phase AC motors operating on a 380–480 V AC power supply, the ATV630U40N4 incorporates Schneider Electric’s advanced sensorless vector control, embedded Ethernet connectivity, integrated energy monitoring, and predictive maintenance functions. These intelligent technologies allow industrial users to achieve precise speed regulation, smooth motor operation, lower maintenance costs, and improved overall production efficiency.
With compact dimensions of 350 × 144 × 203 mm and a weight of 4.6 kg, the ATV630U40N4 is ideally suited for installation in compact electrical cabinets where installation space is limited while maintaining excellent cooling performance and continuous-duty reliability.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV630U40N4 |
| Product Series | Altivar Process ATV600 |
| Product Type | Variable Speed Drive (VFD / VSD) |
| Motor Power | 4 kW (5 HP) |
| Rated Supply Voltage | 380–480 V AC, Three-Phase |
| Supply Frequency | 50/60 Hz |
| Output Frequency | 0.1–500 Hz |
| Rated Output Current | 9.5 A |
| Overload Capacity | 120% Normal Duty / 150% Heavy Duty |
| Motor Control Method | Sensorless Vector Control / V/F Control |
| Built-in Communication | Ethernet, Modbus TCP, Modbus RTU (RS-485) |
| Digital Inputs | 8 |
| Analog Inputs | 3 |
| Analog Outputs | 2 |
| Relay Outputs | 3 |
| Safety Function | Safe Torque Off (STO), SIL 3 |
| Cooling Method | Forced Air Cooling |
| Protection Rating | IP21 / UL Type 1 |
| Mounting | Wall Mounted |
| Dimensions (H × W × D) | 350 × 144 × 203 mm |
| Weight | 4.6 kg |
| Operating Temperature | -15°C to +50°C (without derating) |
| Typical Applications | Pumps, Fans, Compressors, HVAC, Industrial Process Automation |
Function and Working Principle
The Schneider Electric ATV630U40N4 regulates the speed and torque of three-phase AC motors by converting fixed-frequency AC input into a variable-frequency and variable-voltage output. This enables motors to operate only at the speed required by the application, significantly improving process efficiency while reducing electrical power consumption.
Its advanced sensorless vector control algorithm continuously monitors motor operating conditions and automatically adjusts voltage and output frequency to maintain stable torque, precise speed regulation, and smooth acceleration. This intelligent motor control minimizes mechanical stress, lowers inrush current, extends motor service life, and improves equipment reliability.
The ATV630U40N4 also integrates intelligent monitoring functions capable of recording motor current, operating hours, output frequency, energy usage, temperature, and fault history. These diagnostic tools support predictive maintenance, allowing maintenance personnel to identify abnormal conditions before they result in equipment failure.
Key operating functions include:
- High-performance sensorless vector motor control
- Accurate speed and torque regulation
- Intelligent energy monitoring
- Automatic motor protection
- Predictive maintenance diagnostics
- Embedded Ethernet communication
- Safe Torque Off (STO) safety protection
- Smooth acceleration and deceleration control
Role in Industrial Control Systems
Within industrial automation systems, the ATV630U40N4 serves as an intelligent motor control device responsible for improving production efficiency, reducing operating costs, and ensuring stable process control.
Its primary functions include:
- Variable speed motor control
- Process optimization
- Energy management
- Equipment protection
- Industrial communication
- Remote diagnostics
- Predictive maintenance
- Performance monitoring
Integrated with Schneider Electric PLCs, HMIs, SCADA systems, and EcoStruxure software, the drive enables centralized control, real-time monitoring, and intelligent management of industrial equipment.
Industrial Applications
The Schneider Electric ATV630U40N4 is widely used in:
- Water Treatment Plants
- Wastewater Processing Facilities
- HVAC Systems
- Industrial Ventilation Equipment
- Centrifugal Pump Systems
- Air Compressors
- Food & Beverage Manufacturing
- Packaging Machinery
- Chemical Processing Plants
- Conveyor Systems
- Material Handling Equipment
- Pharmaceutical Manufacturing
- Textile Machinery
- Building Automation
- General Industrial Automation
Its compact design and intelligent control capabilities make it particularly suitable for industrial applications requiring reliable, energy-efficient motor speed control.
Installation and System Integration
Proper installation is essential to achieve maximum performance and long service life.
Recommended installation procedures include:
- Install the drive vertically inside a clean and properly ventilated electrical cabinet.
- Maintain sufficient clearance around the cooling system.
- Connect the three-phase power supply according to Schneider Electric installation specifications.
- Use shielded motor cables when EMC compliance is required.
- Configure motor parameters before commissioning.
- Perform automatic motor identification to optimize vector control performance.
- Connect Ethernet or Modbus communication for centralized monitoring.
- Verify Safe Torque Off (STO) circuitry before startup.
- Install appropriate circuit breakers, EMC filters, and line reactors where required.
Correct installation improves motor efficiency, enhances reliability, and minimizes maintenance requirements.
Compatible System Components
The ATV630U40N4 is commonly integrated with:
- Schneider Electric Modicon M221 PLC
- Schneider Electric Modicon M241 PLC
- Schneider Electric Modicon M340 PLC
- Schneider Electric Modicon M580 PLC
- Schneider Electric EcoStruxure Machine Expert
- Schneider Electric EcoStruxure Control Expert
- Schneider Electric Harmony HMI Panels
- Schneider Electric Altivar Graphic Display Terminal
- Ethernet Communication Networks
- Modbus TCP Devices
- Modbus RTU Networks
- EMC Filters
- Line Reactors
- Braking Resistors
- Motor Protection Circuit Breakers
- Three-Phase AC Induction Motors
These components provide a complete intelligent automation platform capable of maximizing productivity, reducing energy costs, and improving long-term equipment reliability.
Recommended Alternative Models
| Model | Product Type | Key Feature | Typical Application |
|---|---|---|---|
| ATV630U30N4 | Variable Speed Drive | 3 kW Output | Small Pump Systems |
| ATV630U55N4 | Variable Speed Drive | 5.5 kW Output | Industrial Fans & Compressors |
| ATV630U75N4 | Variable Speed Drive | 7.5 kW Output | Medium Industrial Equipment |
| ATV650U40N4 | Process Variable Speed Drive | Advanced Process Monitoring | Water & Utility Industries |
| ATV930U40N4 | Machine Variable Speed Drive | High Dynamic Motion Control | Manufacturing Automation |
Key Advantages
- Compact cabinet-friendly design
- High-efficiency 4 kW motor control
- Advanced sensorless vector control technology
- Integrated Ethernet and Modbus communication
- Intelligent energy monitoring
- Predictive maintenance diagnostics
- Safe Torque Off (STO) safety functionality
- Reduced operating costs through energy optimization
- Seamless integration with Schneider Electric EcoStruxure architecture
- Engineered for continuous industrial operation
Technical FAQs
What is the primary function of the ATV630U40N4?
The ATV630U40N4 regulates the speed and torque of three-phase AC motors while improving energy efficiency, reducing equipment wear, and optimizing industrial process performance.
What motor capacity does this drive support?
The drive is designed for 4 kW (5 HP) three-phase AC motors operating on 380–480 V AC power supplies.
Does the ATV630U40N4 support industrial communication?
Yes. The drive includes integrated Ethernet, Modbus TCP, and Modbus RTU (RS-485) communication interfaces, allowing seamless integration with PLCs, HMIs, SCADA platforms, and distributed industrial automation systems.
Conclusion
The Schneider Electric ATV630U40N4 Variable Speed Drive is a compact, intelligent, and energy-efficient motor control solution developed for modern industrial automation. Supporting 4 kW (5 HP) motors with a 380–480 V AC power supply, the drive combines sensorless vector control, embedded Ethernet, Modbus communication, Safe Torque Off (STO) functionality, and a compact enclosure measuring 350 × 144 × 203 mm with a weight of 4.6 kg.
Whether deployed in water treatment facilities, HVAC systems, pumping stations, compressor applications, packaging machinery, or general manufacturing environments, the ATV630U40N4 delivers precise motor control, outstanding energy efficiency, intelligent diagnostics, and dependable long-term reliability, making it an excellent choice for compact industrial automation applications.