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- Schneider
- ATV950D18N4E
- Variable Speed Drive
- France
- 264 x 678 x 330 mm
- 20.6 kg
- Xiamen, China
- New & In Stock
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Product Overview
In modern industrial automation and process control systems, variable speed drives play a critical role in improving motor efficiency, optimizing production processes, and maintaining stable equipment operation. By controlling motor speed, torque, acceleration, and braking performance, industrial AC drives help reduce energy consumption, improve machine reliability, and extend the service life of motors and mechanical components.
The Schneider ATV950D18N4E Variable Speed Drive is an industrial motor control solution from the Altivar Process ATV950 series, designed for demanding industrial applications requiring reliable speed regulation and advanced control performance.
The ATV950D18N4E provides efficient variable frequency control, integrated motor protection, process monitoring functions, and flexible automation integration. It is suitable for applications involving pumps, fans, conveyors, HVAC systems, water treatment equipment, and industrial processing machinery.
With dimensions of 264 × 678 × 330 mm and a weight of 20.6 kg, the Schneider ATV950D18N4E features a durable industrial structure designed for wall mounting and continuous operation in industrial environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV950D18N4E |
| Product Series | Altivar Process ATV950 |
| Product Type | Variable Speed Drive |
| Application | Industrial Motor Control |
| Rated Motor Power | 18.5 kW |
| Heavy Duty Power | 15 kW |
| Input Voltage | 380–480 VAC |
| Input Phase | Three Phase |
| Output Current | 39.2 A |
| Heavy Duty Current | 31.7 A |
| Motor Compatibility | Asynchronous and Synchronous Motors |
| Braking Function | Integrated Braking Unit |
| Protection Rating | IP55 |
| Cooling Method | Forced Air Cooling |
| Mounting Type | Wall Mounting |
| Control Method | Variable Frequency Control |
| Communication Integration | Industrial Automation Network |
| Dimensions | 264 × 678 × 330 mm |
| Weight | 20.6 kg |
Function and Working Principle
The Schneider ATV950D18N4E Variable Speed Drive controls motor operation by converting fixed AC input power into adjustable frequency and voltage output.
The operating process is:
AC Input Power → Rectifier Circuit → DC Bus → Inverter Circuit → Motor Output
The working principle includes:
- Three-phase AC power enters the drive input section.
- The rectifier converts AC power into DC voltage.
- The DC bus filters and stabilizes electrical energy.
- The inverter generates variable-frequency AC output.
- The motor receives controlled power according to speed and torque requirements.
By adjusting output frequency and voltage, the ATV950D18N4E provides accurate motor speed control while improving energy efficiency and process stability.
Role in Industrial Automation Systems
The Schneider ATV950D18N4E Variable Speed Drive is an important component in industrial automation systems.
Its main functions include:
- Motor speed adjustment
- Energy consumption reduction
- Torque optimization
- Motor protection
- Fault monitoring
- Process control improvement
- PLC system integration
Typical applications include:
- Industrial pump systems
- Cooling and ventilation equipment
- Conveyor systems
- Production machinery
- Process automation systems
- Material handling equipment
Main Features
18.5 kW Industrial Motor Control Capability
The ATV950D18N4E provides reliable motor control performance for medium-power industrial applications.
Main advantages include:
- Stable speed regulation
- Accurate torque control
- Smooth acceleration and deceleration
- Reduced mechanical stress
- Improved production efficiency
It is suitable for applications requiring continuous operation and high reliability.
Advanced Process Monitoring Functions
The Altivar Process ATV950 series provides intelligent monitoring functions for industrial applications.
Key benefits include:
- Real-time operating information
- Equipment status monitoring
- Fault identification
- Maintenance optimization
- Improved process visibility
These functions help engineers improve system reliability and reduce downtime.
Integrated Braking Capability
The ATV950D18N4E includes an integrated braking function for applications requiring frequent stopping, rapid acceleration, or high-inertia load control.
Advantages include:
- Faster deceleration response
- Improved load control
- Better machine performance
- Enhanced operational stability
IP55 Industrial Protection
The IP55 protection design allows reliable operation in industrial environments.
Benefits include:
- Dust resistance
- Improved environmental protection
- Flexible installation options
- Increased equipment durability
The rugged enclosure design makes the drive suitable for demanding industrial conditions.
Flexible Automation Integration
The ATV950D18N4E supports integration with industrial automation platforms.
Benefits include:
- Easy PLC connection
- Improved communication flexibility
- Simplified system configuration
- Better equipment monitoring
It can work together with PLC controllers, HMI systems, sensors, and industrial networks.
Industrial Applications
Pump Control Applications
Variable speed drives are widely used in industrial pumping systems.
Typical applications include:
- Water treatment systems
- Process pumps
- Cooling circulation systems
- Industrial fluid control
The ATV950D18N4E adjusts motor speed according to process demand, improving efficiency and maintaining stable operation.
Fan and Ventilation Systems
Industrial ventilation equipment requires accurate motor control.
Applications include:
- Factory ventilation
- Cooling fans
- Air handling systems
- Exhaust equipment
The drive helps maintain stable airflow while reducing unnecessary power consumption.
Conveyor Systems
Conveyor systems require smooth acceleration and precise speed regulation.
Applications include:
- Manufacturing production lines
- Packaging systems
- Material handling equipment
- Automated logistics systems
The ATV950D18N4E improves conveyor reliability and reduces mechanical impact.
Industrial Processing Equipment
The drive is suitable for various industrial production applications.
Applications include:
- Mixing equipment
- Processing machinery
- Automated production systems
- Manufacturing equipment
It provides accurate motor control for continuous industrial operation.
Installation Guide
Step 1: Check Installation Environment
Before installation, confirm:
- Available installation space
- Ambient temperature
- Ventilation conditions
- Power supply requirements
Ensure the environment meets industrial operating requirements.
Step 2: Install the Drive
Mount the Schneider ATV950D18N4E securely.
Installation requirements:
- Install vertically
- Maintain ventilation clearance
- Ensure stable mechanical fixing
Step 3: Connect Power Wiring
Connect:
- Three-phase AC input
- Motor output terminals
- Ground connection
Verify all wiring before startup.
Step 4: Connect Control Wiring
Connect:
- Start/stop signals
- Speed reference inputs
- Digital I/O
- Communication cables
Step 5: Configure Parameters
Set:
- Motor rated voltage
- Motor current
- Motor power
- Frequency range
- Acceleration time
- Deceleration time
- Control mode
Correct parameter configuration ensures reliable operation.
Step 6: Commissioning
After installation:
- Power on the drive
- Check operating status
- Verify motor direction
- Test speed regulation
Common Failure Symptoms
| Fault Symptom | Possible Cause |
|---|---|
| Drive cannot start | Power supply problem |
| Motor speed fluctuation | Incorrect parameters |
| Overcurrent alarm | Excessive load |
| Overheating fault | Cooling problem |
| Communication failure | Wiring or configuration issue |
| Motor vibration | Incorrect control settings |
Troubleshooting Guide
Check Power Supply
Inspect:
- Input voltage
- Power terminals
- Circuit protection devices
Incorrect power conditions may prevent normal operation.
Verify Motor Parameters
Check:
- Motor voltage
- Motor current
- Frequency settings
- Control mode
Incorrect parameters may reduce control accuracy.
Inspect Cooling System
Check:
- Cooling fan operation
- Air circulation
- Installation environment
Poor cooling may cause protective shutdown.
Check Communication System
Inspect:
- Communication cables
- Network configuration
- Control terminals
Incorrect settings may affect automation communication.
Maintenance Recommendations
To maintain reliable operation of the Schneider ATV950D18N4E Variable Speed Drive:
- Clean the drive regularly
- Inspect cooling components
- Check electrical connections
- Review fault records
- Verify operating parameters
- Perform preventive maintenance
Regular maintenance improves system reliability and extends equipment service life.
Compatible Automation Components
| Component | Function |
|---|---|
| Variable Speed Drive | Controls motor speed |
| PLC Controller | Provides automation commands |
| HMI Panel | Displays operating information |
| Sensors | Provides process feedback |
| Industrial Network | Transfers control data |
Key Advantages
- 18.5 kW industrial motor control capability
- 39.2A output current
- IP55 industrial protection
- Integrated braking function
- Advanced monitoring capability
- Flexible automation integration
- Reliable long-term operation
Technical FAQs
What is Schneider ATV950D18N4E used for?
The Schneider ATV950D18N4E Variable Speed Drive is used for industrial motor speed control, process optimization, and automation applications.
Which series does ATV950D18N4E belong to?
It belongs to the Schneider Altivar Process ATV950 series.
What is the rated power of ATV950D18N4E?
The rated motor power is 18.5 kW.
What is the output current rating?
The output current rating is 39.2 A.
What are the dimensions of Schneider ATV950D18N4E?
The dimensions are 264 × 678 × 330 mm.
What is the weight of Schneider ATV950D18N4E?
The weight is 20.6 kg.
Conclusion
The Schneider ATV950D18N4E Variable Speed Drive is a high-performance industrial motor control solution designed for demanding automation and process applications.
With 18.5 kW power capability, IP55 protection, integrated braking functionality, advanced monitoring features, and flexible automation integration, it provides stable and efficient performance for pumps, fans, conveyors, processing equipment, and industrial machinery.
For automation engineers, system integrators, and maintenance professionals, the Schneider ATV950D18N4E offers an effective solution for motor control optimization, equipment modernization, and reliable industrial automation operation.