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- ATV312HD11N4
- Variable Speed Drive
- France
- 329.5 x 245 x 192 mm
- 11 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider ATV312HD11N4 is a high-power variable speed drive (VSD) from the Altivar 312 series, designed for controlling three-phase asynchronous motors in industrial automation systems. It provides reliable torque control, smooth motor operation, and energy-efficient performance for medium- to heavy-duty applications such as pumps, fans, conveyors, compressors, and process machinery.
With a rated motor power of 11 kW (15 HP), this drive is suitable for demanding industrial environments requiring stable performance, robust protection functions, and flexible communication capabilities.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV312HD11N4 |
| Product Type | Variable Speed Drive (VSD) |
| Series | Altivar 312 |
| Dimensions | 329.5 × 245 × 192 mm |
| Weight | 11 kg |
| Input Voltage | 380–500 V AC, 3-Phase |
| Rated Motor Power | 11 kW (15 HP) |
| Rated Output Current | ~24–30 A (normal/heavy duty) |
| Apparent Power | ~25 kVA |
| Output Frequency Range | 0.5–500 Hz |
| Control Method | V/F Control, Sensorless Vector Control |
| Overload Capacity | 150% for 60 seconds |
| Communication Protocol | Modbus RTU, CANopen |
| Optional Communication | Profibus, DeviceNet, Modbus TCP |
| Protection Rating | IP20 (up to IP41 depending on configuration) |
| Cooling Method | Forced air (internal fan) |
| Mounting Type | Wall / Panel mount |
| Operating Temperature | -10°C to +50°C |
| Application | Medium to heavy industrial motor control |
Function and Working Principle
The ATV312HD11N4 controls motor speed by adjusting the frequency and voltage supplied to a three-phase induction motor, enabling precise control of torque and rotational speed.
Core Functions
- Smooth motor acceleration and deceleration
- Variable speed regulation under load conditions
- Energy-efficient operation for industrial systems
- Motor protection (overload, overcurrent, phase loss, thermal protection)
- Advanced communication for automation integration
Working Principle
The drive converts incoming AC power into DC through a rectifier stage, then reconstructs it into variable-frequency AC using an inverter. By adjusting output frequency and voltage, the drive controls motor speed while maintaining torque stability and reducing mechanical stress on equipment.
Role in Industrial Automation Systems
The ATV312HD11N4 plays a key role in automation systems by:
- Matching motor speed to process requirements
- Reducing energy consumption in large motor systems
- Improving operational stability and process control accuracy
- Extending equipment lifespan by reducing mechanical stress
- Supporting PLC-based industrial automation integration
It is widely used in industrial plants requiring reliable and continuous motor operation.
Industrial Applications
This drive is commonly used in:
- Conveyor systems
- Industrial pumps and compressors
- HVAC systems (large fans and ventilation units)
- Water treatment plants
- Food and beverage processing lines
- Material handling systems
- Textile and manufacturing machinery
- General heavy-duty automation systems
Installation and System Integration
Proper installation ensures safe and stable performance:
- Install vertically inside a ventilated electrical cabinet
- Maintain sufficient clearance for airflow and cooling
- Use three-phase 380–500 V supply
- Apply shielded motor cables for EMC compliance
- Configure motor parameters before commissioning
- Ensure proper grounding and protective devices
Correct installation is critical for long-term reliability.
Compatible System Components
The ATV312HD11N4 integrates with:
- Schneider Electric Modicon PLC systems
- Industrial HMI operator panels
- Three-phase induction motors
- Motor protection circuit breakers (MPCB)
- Contactors and relays
- Modbus RTU / CANopen networks
- Optional industrial communication modules
These components form a complete industrial automation ecosystem.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| ATV310HU75N4A | VSD | 7.5 kW compact drive | Medium industrial loads |
| ATV320U11N4C | Altivar 320 | Advanced communication | Smart automation systems |
| ATV312HD15N4 | VSD | Higher power option | Heavier industrial loads |
| ATV312HU75N4 | VSD | Mid-range 7.5 kW model | Process systems |
| ATV31HD11N4 | Older Altivar 31 | Legacy replacement option | Retrofit applications |
Key Advantages
- High-power 11 kW motor control capability
- Stable torque control under variable loads
- Sensorless vector control for improved performance
- Wide communication compatibility (Modbus, CANopen, optional fieldbus)
- Strong overload handling capability
- Industrial-grade protection and reliability
- Energy-efficient operation
- Suitable for demanding industrial environments
Technical FAQs
What is the main function of the ATV312HD11N4?
It controls motor speed and torque by adjusting output frequency and voltage for efficient industrial operation.
What motor power does it support?
It supports 11 kW (15 HP) three-phase motors.
Does it support industrial communication?
Yes, it supports Modbus RTU and CANopen, with optional fieldbus modules.
Can it be used in heavy-duty applications?
Yes, it is designed for medium to heavy industrial motor control systems.
Does it include motor protection?
Yes, it includes overload, overcurrent, undervoltage, phase loss, and thermal protection.
Conclusion
The Schneider ATV312HD11N4 Variable Speed Drive is a powerful and reliable solution for industrial motor control applications requiring up to 11 kW capacity. With advanced control methods, strong communication support, and robust protection functions, it delivers stable performance, energy efficiency, and long-term operational reliability.
It is an excellent choice for engineers and system integrators working with demanding industrial automation and process control systems.