
Product Overview
In modern industrial automation systems, variable speed drives are essential for improving motor efficiency, optimizing production processes, and ensuring reliable equipment operation. By controlling motor speed, torque, acceleration, and braking performance, industrial drives help reduce energy consumption, improve process stability, and extend machine service life.
The Schneider ATV950D15N4 Variable Speed Drive is an industrial AC drive from the Altivar Process ATV950 series, designed for demanding motor control applications. It provides precise speed regulation, integrated protection functions, process monitoring capability, and flexible automation system integration.
The ATV950D15N4 is designed for medium-power industrial motors and is suitable for applications requiring continuous operation, high reliability, and efficient motor management. It is commonly used in industrial pumps, fans, conveyors, processing equipment, HVAC systems, and manufacturing automation applications.
With dimensions of 264 × 678 × 299 mm and a weight of 19.6 kg, the Schneider ATV950D15N4 provides a robust industrial structure suitable for wall mounting and electrical installation environments.
Technical Specifications
| Parameter |
Details |
| Manufacturer |
Schneider Electric |
| Model |
ATV950D15N4 |
| Product Series |
Altivar Process ATV950 |
| Product Type |
Variable Speed Drive |
| Application |
Industrial Motor Control |
| Rated Power |
15 kW |
| Heavy Duty Power |
11 kW |
| Input Voltage |
380–480 VAC |
| Phase |
Three Phase |
| Output Current |
31.7 A (Normal Duty) |
| Heavy Duty Current |
23.5 A |
| Motor Type |
Asynchronous and Synchronous Motors |
| Braking Function |
Integrated Braking Unit |
| Protection Rating |
IP55 |
| Cooling Method |
Forced Air Cooling |
| Mounting Type |
Wall Mounting |
| Communication Capability |
Industrial Network Integration |
| Dimensions |
264 × 678 × 299 mm |
| Weight |
19.6 kg |
Function and Working Principle
The Schneider ATV950D15N4 Variable Speed Drive controls motor operation by converting fixed AC power into adjustable voltage and frequency output.
The basic operation process is:
AC Input Power → Rectifier Section → DC Bus → Inverter Section → Motor Output
The working process includes:
- Three-phase AC power enters the drive input terminals.
- The rectifier converts AC voltage into DC voltage.
- The DC bus stores and stabilizes electrical energy.
- The inverter converts DC power into variable-frequency AC output.
- The motor receives controlled voltage and frequency signals.
By adjusting the output frequency and voltage, the ATV950D15N4 can accurately control motor speed and torque according to production requirements.
Role in Industrial Automation Systems
The Schneider ATV950D15N4 Variable Speed Drive is an important component in industrial automation and process control systems.
Its main functions include:
- Variable motor speed control
- Energy consumption reduction
- Torque optimization
- Motor protection
- Fault monitoring
- Process performance improvement
- PLC and automation system integration
Typical applications include:
- Industrial pumping systems
- Ventilation equipment
- Conveyor systems
- Water treatment systems
- Production machinery
- Process automation equipment
Main Features
15 kW High-Performance Motor Control
The ATV950D15N4 provides reliable control performance for medium-power industrial motors.
Advantages include:
- Stable speed regulation
- Accurate torque management
- Smooth acceleration and deceleration
- Improved motor efficiency
It is suitable for applications requiring continuous operation and reliable performance.
Advanced Process Monitoring
The Altivar Process ATV950 series provides intelligent monitoring functions for industrial applications.
Benefits include:
- Real-time operating information
- Equipment status monitoring
- Improved process visibility
- Faster fault identification
These functions help improve maintenance efficiency and reduce unexpected downtime.
Integrated Braking Unit
The ATV950D15N4 includes an integrated braking function for applications requiring frequent stopping or rapid deceleration.
Advantages include:
- Faster stopping response
- Better control of high-inertia loads
- Improved machine performance
- Enhanced operating stability
IP55 Industrial Protection
The IP55 protection design allows the drive to operate reliably in industrial environments.
Advantages include:
- Dust protection
- Improved environmental resistance
- Flexible installation options
- Increased equipment durability
This makes the drive suitable for applications where additional protection is required.
Flexible Automation Integration
The ATV950D15N4 supports integration with industrial control systems.
Benefits include:
- Easy PLC communication
- Simplified system configuration
- Improved operational monitoring
- Flexible automation solutions
It can be integrated into industrial networks with controllers, HMIs, and other automation devices.
Industrial Applications
Pump Control Systems
Variable speed drives are widely used in industrial pumping applications.
Typical applications include:
- Water treatment plants
- Process pumps
- Cooling circulation systems
- Fluid transportation systems
The ATV950D15N4 adjusts motor speed according to system demand, improving energy efficiency and process control.
Fan and Ventilation Equipment
Industrial ventilation systems require reliable motor speed control.
Applications include:
- Factory ventilation
- Cooling systems
- Air handling equipment
- Exhaust systems
The drive helps maintain stable airflow while reducing unnecessary energy consumption.
Conveyor Systems
Conveyor applications require smooth motor operation and accurate speed control.
Applications include:
- Manufacturing production lines
- Packaging systems
- Material handling equipment
- Automated logistics systems
The ATV950D15N4 improves conveyor reliability and production efficiency.
Industrial Processing Machinery
The drive is suitable for various industrial processing applications.
Applications include:
- Mixing equipment
- Processing machines
- Production systems
- Automated industrial equipment
It provides stable motor control for continuous production environments.
Installation Guide
Step 1: Verify Installation Conditions
Before installation, check:
- Available installation space
- Ambient temperature
- Ventilation requirements
- Electrical protection conditions
Step 2: Mount the Drive
Install the Schneider ATV950D15N4 securely.
Ensure:
- Correct vertical mounting position
- Adequate ventilation clearance
- Stable mechanical fixing
Step 3: Connect Power Wiring
Connect:
- Three-phase AC input
- Motor output terminals
- Ground connection
Check all electrical connections before startup.
Step 4: Connect Control Signals
Connect:
- Start/stop commands
- Speed reference signals
- Digital inputs and outputs
- Communication cables
Step 5: Configure Drive Parameters
Set required parameters:
- Motor voltage
- Motor current
- Motor power
- Frequency range
- Acceleration time
- Deceleration time
- Control mode
Correct configuration ensures optimal motor performance.
Step 6: Perform Commissioning
After installation:
- Apply power
- Check drive status
- Confirm motor rotation direction
- Test speed regulation functions
Common Failure Symptoms
| Fault Symptom |
Possible Cause |
| Drive cannot start |
Power supply failure |
| Motor speed unstable |
Incorrect parameter settings |
| Overcurrent alarm |
Excessive motor load |
| Overheating fault |
Cooling problem |
| Communication failure |
Network connection issue |
| Abnormal motor operation |
Incorrect configuration |
Troubleshooting Recommendations
Check Power Supply
Inspect:
- Input voltage
- Power terminals
- 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 affect motor performance.
Inspect Cooling System
Check:
- Cooling fan operation
- Air circulation
- Installation environment
Poor heat dissipation may cause protective shutdown.
Check Communication Wiring
Inspect:
- Network cables
- Communication parameters
- Control terminals
Loose connections may cause unstable system communication.
Maintenance Recommendations
To maintain reliable operation of the Schneider ATV950D15N4 Variable Speed Drive:
- Keep the installation area clean
- Inspect cooling components regularly
- Check electrical terminals
- Monitor fault records
- Verify drive parameters
- Perform preventive maintenance
Regular maintenance helps extend equipment life and improves industrial automation reliability.
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
- 15 kW industrial motor control capability
- 31.7A normal duty output current
- 23.5A heavy duty current capability
- IP55 protection design
- Integrated braking unit
- Advanced process monitoring
- Flexible automation integration
- Reliable industrial performance
Technical FAQs
What is Schneider ATV950D15N4 used for?
The Schneider ATV950D15N4 Variable Speed Drive is used for industrial motor speed control, energy optimization, and automation applications.
What series does ATV950D15N4 belong to?
It belongs to the Schneider Altivar Process ATV950 series.
What is the rated power of ATV950D15N4?
The rated motor power is 15 kW.
What is the output current rating?
The output current is approximately 31.7 A under normal duty operation.
What are the dimensions of Schneider ATV950D15N4?
The dimensions are 264 × 678 × 299 mm.
What is the weight of Schneider ATV950D15N4?
The weight is 19.6 kg.
Conclusion
The Schneider ATV950D15N4 Variable Speed Drive is a reliable industrial motor control solution designed for demanding automation and process applications.
With 15 kW power capability, IP55 protection, integrated braking functionality, advanced monitoring features, and flexible industrial integration, it provides stable performance for pumps, fans, conveyors, processing equipment, and manufacturing systems.
For automation engineers, system integrators, and maintenance professionals, the Schneider ATV950D15N4 offers an effective solution for motor control optimization, equipment upgrades, and long-term industrial automation operation.