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- Schneider
- ATV950D11N4E
- Variable Speed Drive
- France
- 264 x 678 x 330 mm
- 13.7 kg
- Xiamen, China
- New & In Stock
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Product Overview
In modern industrial automation and process control systems, variable speed drives are widely used to improve motor efficiency, optimize machine performance, and maintain stable production processes. By precisely controlling motor speed, torque, acceleration, and braking, AC drives help reduce energy consumption and improve equipment reliability.
The Schneider ATV950D11N4E Variable Speed Drive is an industrial AC drive from the Altivar Process ATV950 series, designed for demanding motor control applications. It provides reliable speed regulation, integrated protection functions, process monitoring capability, and flexible integration with industrial automation systems.
The ATV950D11N4E is suitable for applications requiring stable motor control and continuous operation, including pumps, fans, conveyors, processing machinery, HVAC systems, and industrial production equipment.
Compared with standard motor controllers, the ATV950D11N4E provides advanced control functions and a rugged industrial design suitable for harsh operating environments.
With dimensions of 264 × 678 × 330 mm and a weight of 13.7 kg, the Schneider ATV950D11N4E offers a compact structure for industrial installation while maintaining reliable heat dissipation and operational stability.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV950D11N4E |
| Product Series | Altivar Process ATV950 |
| Product Type | Variable Speed Drive |
| Application | Industrial Motor Control |
| Rated Power | 11 kW |
| Input Voltage | 400–480 VAC |
| Phase | Three Phase |
| Output Current | 23.5 A |
| Motor Control Type | Variable Frequency Control |
| Motor Compatibility | Asynchronous and Synchronous Motors |
| Braking Function | Integrated Braking Unit |
| Protection Rating | IP55 |
| Cooling Method | Forced Air Cooling |
| Mounting Type | Wall Mounting |
| Communication Integration | Industrial Network Connection |
| Dimensions | 264 × 678 × 330 mm |
| Weight | 13.7 kg |
Function and Working Principle
The Schneider ATV950D11N4E Variable Speed Drive controls motor operation by converting fixed-frequency AC power into adjustable frequency and voltage output.
The basic operating process is:
AC Input Power → Rectifier Circuit → DC Bus → Inverter Circuit → Motor Output
The working process includes:
- Three-phase AC power enters the drive input section.
- The rectifier converts AC voltage into DC voltage.
- The DC bus stabilizes and stores electrical energy.
- The inverter generates adjustable frequency AC output.
- The motor receives controlled voltage and frequency signals.
By changing output frequency and voltage, the drive can regulate motor speed and torque according to actual operating requirements.
Role in Industrial Automation Systems
The Schneider ATV950D11N4E Variable Speed Drive is an important component in industrial automation applications.
Its main functions include:
- Motor speed adjustment
- Energy consumption optimization
- Torque control
- Motor protection
- Fault monitoring
- Process control improvement
- Automation system integration
Typical applications include:
- Industrial pump systems
- Fan and ventilation equipment
- Conveyor systems
- Water treatment equipment
- Manufacturing machinery
- Process automation systems
Main Features
11 kW Industrial Motor Control Capability
The ATV950D11N4E provides reliable motor control performance for medium-power industrial applications.
Advantages include:
- Stable speed regulation
- Accurate torque control
- Smooth acceleration and deceleration
- Improved machine efficiency
It helps maintain consistent motor performance under different load conditions.
Advanced Process Monitoring Functions
The Altivar Process ATV950 series is designed for industrial applications requiring intelligent monitoring and control.
Main advantages include:
- Real-time equipment monitoring
- Improved process visibility
- Operating status analysis
- Enhanced system reliability
These functions help operators identify abnormal conditions quickly and improve production efficiency.
Integrated Braking Unit
The ATV950D11N4E includes an integrated braking function for applications requiring rapid stopping and frequent speed changes.
Benefits include:
- Faster deceleration
- Improved control of high-inertia loads
- Better machine response
- Increased operational stability
IP55 Protection Design
The IP55 enclosure design improves environmental protection in industrial applications.
Advantages include:
- Dust protection
- Resistance to industrial environments
- Flexible installation options
- Improved equipment durability
This makes the drive suitable for applications where additional protection is required.
Flexible Automation Integration
The drive supports connection with industrial control systems.
Benefits include:
- Easier PLC integration
- Simplified system communication
- Improved operational monitoring
- Flexible automation configuration
It can work together with PLC controllers, HMIs, sensors, and industrial networks.
Industrial Applications
Pump Control Systems
Variable speed drives are widely used in industrial pumping applications.
Applications include:
- Water treatment systems
- Process pumps
- Cooling circulation systems
- Fluid transportation systems
The ATV950D11N4E adjusts motor speed according to system demand, improving energy efficiency and process stability.
Fan and Ventilation Systems
Industrial ventilation equipment requires accurate speed control.
Applications include:
- Factory ventilation
- Cooling fans
- Air handling systems
- Exhaust equipment
The drive provides stable airflow control while reducing unnecessary energy usage.
Conveyor Systems
Industrial conveyors require smooth acceleration and accurate speed regulation.
Applications include:
- Manufacturing lines
- Packaging equipment
- Material handling systems
- Automated logistics systems
The ATV950D11N4E improves conveyor operation reliability and reduces mechanical impact.
Processing Machinery
The drive is suitable for industrial processing applications.
Applications include:
- Mixing machines
- Production equipment
- Automated machinery
- Industrial process systems
It provides accurate motor control for improved production performance.
Installation Guide
Step 1: Check Installation Environment
Before installation, confirm:
- Available mounting space
- Ambient temperature
- Ventilation conditions
- Electrical protection requirements
Step 2: Install the Drive
Mount the Schneider ATV950D11N4E securely.
Ensure:
- Correct vertical installation
- Proper ventilation clearance
- Stable mechanical mounting
Step 3: Connect Power Supply
Connect:
- Three-phase AC input
- Motor output terminals
- Ground connection
Check all electrical connections before powering on.
Step 4: Connect Control Signals
Connect:
- Start/stop commands
- Speed reference signals
- Digital I/O
- Communication interfaces
Step 5: Configure Drive Parameters
Set:
- Motor voltage
- Motor current
- Motor power
- Frequency range
- Acceleration time
- Deceleration time
- Control mode
Correct parameter configuration ensures reliable motor operation.
Step 6: Perform Commissioning
After installation:
- Apply power
- Check drive status
- Verify motor direction
- Test speed control functions
Common Failure Symptoms
| Fault Symptom | Possible Cause |
|---|---|
| Drive cannot start | Power supply problem |
| Motor speed unstable | Incorrect parameters |
| Overcurrent alarm | Excessive motor load |
| Overheating fault | Poor ventilation |
| Communication failure | Network connection issue |
| Motor abnormal operation | Incorrect configuration |
Troubleshooting Recommendations
Check Power Supply
Inspect:
- Input voltage
- Power terminals
- Circuit protection devices
Incorrect power conditions may prevent normal operation.
Verify Motor Parameters
Check:
- Motor rated voltage
- Motor current
- Frequency settings
- Control mode
Incorrect settings may reduce control accuracy.
Inspect Cooling System
Check:
- Cooling fan operation
- Air circulation
- Installation environment
Poor cooling may trigger protection functions.
Check Communication Wiring
Inspect:
- Network cables
- Communication settings
- Control terminals
Loose connections may cause unstable communication.
Maintenance Recommendations
To maintain reliable operation of the Schneider ATV950D11N4E Variable Speed Drive:
- Keep the installation area clean
- Inspect cooling components regularly
- Check electrical terminals
- Monitor fault history
- Verify operating parameters
- Perform preventive maintenance
Regular maintenance improves system reliability and extends equipment service life.
Compatible System Components
| Component | Function |
|---|---|
| ATV950 Variable Speed Drive | Controls motor operation |
| PLC Controller | Provides automation commands |
| HMI Panel | Displays operating information |
| Sensors | Provides process feedback |
| Industrial Network | Transfers control data |
Key Advantages
- 11 kW motor control capability
- 23.5A output current
- IP55 protection design
- Integrated braking function
- Advanced process monitoring
- Flexible automation integration
- Reliable industrial performance
Technical FAQs
What is Schneider ATV950D11N4E used for?
The Schneider ATV950D11N4E Variable Speed Drive is used for industrial motor speed control, process optimization, and automation applications.
What series does ATV950D11N4E belong to?
It belongs to the Schneider Altivar Process ATV950 series.
What is the rated power of ATV950D11N4E?
The rated motor power is 11 kW.
What is the output current rating?
The output current rating is 23.5 A.
What are the dimensions of Schneider ATV950D11N4E?
The dimensions are 264 × 678 × 330 mm.
What is the weight of Schneider ATV950D11N4E?
The weight is 13.7 kg.
Conclusion
The Schneider ATV950D11N4E Variable Speed Drive is a reliable industrial motor control solution designed for demanding automation and process applications.
With 11 kW power capability, IP55 protection, integrated braking functionality, advanced monitoring features, and flexible system integration, it provides stable performance for pumps, fans, conveyors, processing equipment, and industrial machinery.
For automation engineers, system integrators, and maintenance professionals, the Schneider ATV950D11N4E offers an efficient solution for motor control optimization, equipment upgrades, and long-term industrial automation operation.